Hasn’t vs. Haven’t becomes easier when English learners match the subject and choose the correct verb form for the sentence. Hasn’t and haven’t are small but mighty words that can confuse English learners because these contractions look alike and sound similar, especially during fast conversations.
In everyday English, everyday conversation, spoken English, and written English, they have different purposes. Hasn’t means has not, while haven’t means have not, and the correct choice depends on the subject, verb forms, and sentence structure. In English grammar, has generally follows a singular subject, such as he, she, or it, whereas have follows I, you, we, and they, as well as a plural subject. This follows subject-verb agreement, verb usage, and the correct form required by each sentence. Although the two are similar contractions, they aren’t interchangeable.
Their meaning, context, and pronunciation can help you recognize the right form, while grammar rules make the distinction clearer. For example, “She hasn’t finished” uses has not, while “They haven’t finished” uses have not. These negative contractions express that an action has not happened, but the subject controls which contraction belongs in the sentence.The present perfect shows how a past action connects with the present. When an action hasn’t taken place, choose hasn’t or haven’t according to the subject. “He hasn’t arrived” uses hasn’t because the subject is singular, while “We haven’t arrived” uses haven’t because the subject is we.
Hasn’t vs. Haven’t: The Quick Answer
The main difference between hasn’t and haven’t is subject-verb agreement.
- Hasn’t means has not.
- Haven’t means have not.
Use hasn’t with:
- He
- She
- It
- Singular nouns
Use haven’t with:
- I
- You
- We
- They
- Plural nouns
Here’s the simplest comparison:
| Subject | Correct Form | Example |
| I | Haven’t | I haven’t finished. |
| You | Haven’t | You haven’t called. |
| He | Hasn’t | He hasn’t arrived. |
| She | Hasn’t | She hasn’t replied. |
| It | Hasn’t | It hasn’t stopped. |
| We | Haven’t | We haven’t decided. |
| They | Haven’t | They haven’t started. |
The Rule in One Sentence
Use “hasn’t” with third-person singular subjects and “haven’t” with I, you, we, they, and plural subjects.
That’s the heart of the rule.
Everything else in this article builds on that foundation.
What Does “Hasn’t” Mean?
Hasn’t is a contraction of has not.
It creates a negative form of the auxiliary verb has.
For example:
- She has not finished.
- She hasn’t finished.
Both sentences have the same basic meaning. The second version simply uses a contraction.
In everyday American English, hasn’t sounds natural and conversational. People use it in speech, emails, articles, messages, and most forms of ordinary writing.
Basic Structure of “Hasn’t”
The most common structure is:
Subject + hasn’t + past participle
For example:
- He hasn’t arrived yet.
- She hasn’t answered the question.
- It hasn’t stopped raining.
- My brother hasn’t called today.
- The computer hasn’t updated.
The word following hasn’t is often a past participle.
Consider this example:
She hasn’t written the report yet.
Here:
- She is the subject.
- Hasn’t is the negative auxiliary verb.
- Written is the past participle.
- The report yet completes the sentence.
Examples of “Hasn’t” With Different Subjects
| Subject | Example |
| He | He hasn’t arrived yet. |
| She | She hasn’t finished her work. |
| It | It hasn’t started. |
| John | John hasn’t called me. |
| The dog | The dog hasn’t eaten. |
| My phone | My phone hasn’t charged. |
Notice the pattern.
Every subject above is singular. That’s why each sentence uses hasn’t.
What Does “Haven’t” Mean?
Haven’t is a contraction of have not.
Like hasn’t, it creates a negative sentence.
For example:
- I have not finished.
- I haven’t finished.
Or:
- They have not arrived.
- They haven’t arrived.
The contraction makes the sentence sound smoother and more natural.
Basic Structure of “Haven’t”
The common pattern is:
Subject + haven’t + past participle
Examples include:
- I haven’t seen that movie.
- You haven’t answered my question.
- We haven’t made a decision.
- They haven’t arrived yet.
- The students haven’t completed the assignment.
Examples of “Haven’t”
| Subject | Example |
| I | I haven’t finished yet. |
| You | You haven’t called me. |
| We | We haven’t decided. |
| They | They haven’t arrived. |
| My friends | My friends haven’t responded. |
| The students | The students haven’t started. |
Again, the subject controls the choice.
That simple principle explains almost every hasn’t vs. haven’t question.
The Main Difference Between Hasn’t and Haven’t
The difference between hasn’t and haven’t does not come from meaning alone.
Both words create negative forms.
The real difference is grammatical agreement.
You must choose the correct form based on the subject.
Use “Hasn’t” With:
- He
- She
- It
- A singular person
- A singular object
- A singular noun
Use “Haven’t” With:
- I
- You
- We
- They
- Plural people
- Plural objects
- Plural nouns
Here’s another useful table:
| Subject Type | Positive Form | Negative Form |
| He | has | hasn’t |
| She | has | hasn’t |
| It | has | hasn’t |
| Singular noun | has | hasn’t |
| I | have | haven’t |
| You | have | haven’t |
| We | have | haven’t |
| They | have | haven’t |
| Plural noun | have | haven’t |
The Important Exception: “I”
One detail often confuses English learners.
I is singular, but it uses have, not has.
Correct:
- I have finished.
- I haven’t finished.
Incorrect:
- I has finished.
- I hasn’t finished.
English doesn’t always follow a perfectly predictable pattern. The pronoun I is one of those cases you simply need to remember.
When to Use “Hasn’t”
Use “Hasn’t” With He, She, and It
This is the most basic rule.
Examples:
- He hasn’t finished his homework.
- She hasn’t called me.
- It hasn’t worked properly.
- He hasn’t eaten dinner.
- She hasn’t received the package.
If your subject is he, she, or it, use hasn’t.
Quick Example
Question: Has Sarah arrived?
Answer: No, she hasn’t arrived yet.
Since Sarah can be replaced with she, the correct contraction is hasn’t.
Use “Hasn’t” With Singular Nouns
A singular noun also takes hasn’t.
Examples:
- The student hasn’t submitted the assignment.
- My brother hasn’t arrived.
- The car hasn’t started.
- The manager hasn’t approved the proposal.
- The child hasn’t gone to sleep.
Each subject refers to one person, thing, or entity.
Therefore, hasn’t is correct.
Compare Singular and Plural
- The student hasn’t finished.
- The students haven’t finished.
Adding an s to the noun changes the grammar.
That one small change affects the entire verb form.
Use “Hasn’t” When the Main Subject Is Singular
Sometimes a sentence contains several nouns. That can make the choice more difficult.
Consider this sentence:
The list of missing documents hasn’t been reviewed.
Some writers might accidentally use haven’t because documents is plural.
However, documents is not the main subject.
The main subject is list.
Since a list is singular, the sentence requires hasn’t.
Another Example
The box of old photographs hasn’t been moved.
The main subject is box, not photographs.
Therefore:
- The box hasn’t been moved. ✓
- The box haven’t been moved. ✗
A good trick is to temporarily remove the extra words.
The box hasn’t been moved.
Now the answer becomes obvious.
When to Use “Haven’t”
Use “Haven’t” With I and You
Both I and you take have.
Examples:
- I haven’t decided yet.
- I haven’t received your message.
- I haven’t seen him today.
- You haven’t told me the answer.
- You haven’t finished your work.
Remember:
- I have
- You have
Therefore:
- I haven’t
- You haven’t
Never use I hasn’t in standard English.
Use “Haven’t” With We and They
Plural personal pronouns use haven’t.
Examples:
- We haven’t finished the project.
- We haven’t discussed the problem.
- They haven’t arrived yet.
- They haven’t made a final decision.
The rule remains consistent:
We and they take have, so they take haven’t in negative contractions.
Use “Haven’t” With Plural Nouns
Plural nouns also use haven’t.
Examples:
- The students haven’t completed the test.
- My parents haven’t called.
- The documents haven’t been signed.
- The dogs haven’t eaten.
- The employees haven’t received their instructions.
Singular vs. Plural Comparison
| Singular | Plural |
| The teacher hasn’t arrived. | The teachers haven’t arrived. |
| My friend hasn’t called. | My friends haven’t called. |
| The car hasn’t started. | The cars haven’t started. |
| The child hasn’t eaten. | The children haven’t eaten. |
The meaning may remain similar, but the subject changes from singular to plural.
That means the auxiliary verb must change too.
The Grammar Behind Hasn’t and Haven’t
To understand hasn’t vs. haven’t completely, it helps to understand the words has and have.
Both can work as auxiliary, or helping, verbs.
An auxiliary verb helps form a tense or grammatical structure.
For example:
- She has finished.
- They have finished.
The words has and have help create the present perfect tense.
When you make those sentences negative, you add not:
- She has not finished.
- They have not finished.
Then contractions create:
- She hasn’t finished.
- They haven’t finished.
The pattern looks like this:
| Positive | Negative | Contracted Negative |
| She has finished. | She has not finished. | She hasn’t finished. |
| He has arrived. | He has not arrived. | He hasn’t arrived. |
| I have finished. | I have not finished. | I haven’t finished. |
| They have arrived. | They have not arrived. | They haven’t arrived. |
This connection makes the rule easier to remember.
Ask yourself:
Would the positive sentence use has or have?
If it uses has, use hasn’t.
If it uses have, use haven’t.
Hasn’t vs. Haven’t in the Present Perfect Tense
The present perfect is one of the most common places where you will see hasn’t and haven’t.
The structure is:
With Third-Person Singular Subjects
Subject + has/hasn’t + past participle
Examples:
- She has finished.
- She hasn’t finished.
- He has gone home.
- He hasn’t gone home.
With Other Subjects
Subject + have/haven’t + past participle
Examples:
- I have finished.
- I haven’t finished.
- They have gone home.
- They haven’t gone home.
Understanding Past Participles
A past participle is often different from the simple past tense.
Consider these common verbs:
| Base Verb | Simple Past | Past Participle |
| go | went | gone |
| eat | ate | eaten |
| see | saw | seen |
| write | wrote | written |
| take | took | taken |
| do | did | done |
| finish | finished | finished |
| work | worked | worked |
This matters because hasn’t and haven’t are commonly followed by past participles.
Correct:
- She hasn’t gone home.
- They haven’t seen the movie.
- He hasn’t written the email.
Incorrect:
- She hasn’t went home.
- They haven’t saw the movie.
- He hasn’t wrote the email.
The helping verb requires the past participle.
Hasn’t and Haven’t in Negative Statements
Both contractions express negative meaning.
Examples With “Hasn’t”
- She hasn’t replied.
- The store hasn’t opened.
- He hasn’t apologized.
- My computer hasn’t started.
- The baby hasn’t fallen asleep.
Examples With “Haven’t”
- I haven’t replied.
- We haven’t started.
- They haven’t apologized.
- The stores haven’t opened.
- The children haven’t fallen asleep.
The meaning is negative in both cases.
The only question is: Who or what is the subject?
Can Hasn’t and Haven’t Be Used in Questions?
Yes. Both contractions can appear in negative questions.
Questions With “Hasn’t”
Examples:
- Hasn’t she arrived yet?
- Hasn’t he called you?
- Hasn’t the meeting started?
- Hasn’t your brother finished?
These questions often show expectation or surprise.
For example:
Hasn’t she arrived yet?
The speaker may have expected her to arrive earlier.
Questions With “Haven’t”
Examples:
- Haven’t you finished?
- Haven’t they responded?
- Haven’t we met before?
- Haven’t the students submitted their work?
Again, the subject determines the correct form.
What Negative Questions Can Express
Negative questions often communicate:
- Surprise
- Expectation
- Frustration
- Confirmation
- Curiosity
For example:
Haven’t you finished yet?
Depending on tone, the speaker may simply ask a question. However, the sentence can also suggest surprise that the task remains unfinished.
Context matters.
Hasn’t vs. Haven’t in Tag Questions
Tag questions are short questions added to the end of statements.
They are common in conversation.
Examples:
- She has finished, hasn’t she?
- He has arrived, hasn’t he?
- They have left, haven’t they?
- We have met before, haven’t we?
The auxiliary verb in the main sentence usually appears in the tag.
| Main Statement | Tag Question |
| He has called. | hasn’t he? |
| She has arrived. | hasn’t she? |
| It has stopped. | hasn’t it? |
| They have left. | haven’t they? |
| We have finished. | haven’t we? |
| You have seen it. | haven’t you? |
Tag questions can make speech sound more conversational.
For example:
You haven’t forgotten the meeting, have you?
This structure asks for confirmation.
Hasn’t and Haven’t With “Yet”
The word yet frequently appears with negative present perfect sentences.
Examples:
- She hasn’t arrived yet.
- He hasn’t finished yet.
- I haven’t received it yet.
- They haven’t called yet.
- We haven’t made a decision yet.
In these sentences, yet means something has not happened up to the present moment.
Compare the Subjects
- My brother hasn’t arrived yet.
- My brothers haven’t arrived yet.
The only difference is singular versus plural.
Hasn’t and Haven’t With “Already” and “Ever”
Certain adverbs commonly appear with present perfect forms.
Using “Already”
Already often refers to something that happened earlier than expected.
Examples:
- She has already finished.
- They have already left.
Negative sentences with already are possible, although context affects how natural they sound.
For example:
- She hasn’t already left, has she?
In ordinary conversation, speakers often choose different wording depending on the intended meaning.
Using “Ever”
Examples:
- I haven’t ever seen anything like that.
- She hasn’t ever visited California.
However, native speakers often prefer never in these situations:
- I’ve never seen anything like that.
- She’s never visited California.
Both structures can communicate similar ideas.
Hasn’t vs. Haven’t With “Got”
You may also see these contractions with have got.
Examples:
- She hasn’t got enough money.
- He hasn’t got the answer.
- I haven’t got time.
- They haven’t got tickets.
The subject rule remains exactly the same.
| Subject | Correct Form |
| He | hasn’t got |
| She | hasn’t got |
| It | hasn’t got |
| I | haven’t got |
| You | haven’t got |
| We | haven’t got |
| They | haven’t got |
Although usage varies somewhat between different forms of English, the subject agreement rule remains clear.
Tricky Cases: Collective Nouns
Collective nouns describe groups.
Common examples include:
- Team
- Family
- Company
- Government
- Staff
- Committee
These nouns can sometimes create confusion.
Collective Nouns in American English
In American English, collective nouns usually take singular verbs when the group acts as one unit.
Examples:
- The team hasn’t announced its decision.
- The company hasn’t released its report.
- The committee hasn’t reached an agreement.
- The family hasn’t decided where to travel.
This article follows standard American English usage.
British English Variation
British English sometimes treats collective nouns as plural when emphasizing the individual members of a group.
For example, British English may allow:
The team haven’t agreed among themselves.
American English would usually prefer:
The team hasn’t agreed on its decision.
The difference reflects a broader variation between American and British grammar.
For American audiences, treating the collective noun as singular is generally the safest choice.
Tricky Cases With Long and Complicated Subjects
Sometimes the word closest to hasn’t or haven’t is not the actual subject.
That creates mistakes.
Consider this sentence:
The list of students who missed the examination hasn’t been updated.
The word students is plural.
However, the actual subject is list.
Therefore, hasn’t is correct.
Another Example
The group of employees hasn’t received its schedule.
The subject is group, which is singular in standard American English.
So the correct form is hasn’t.
The Quick Test
Remove the extra words.
Original:
The list of names hasn’t been checked.
Simplified:
The list hasn’t been checked.
The correct answer becomes easier to see.
This technique works like clearing fog from a windshield. Once you identify the real subject, the grammar becomes much clearer.
Common Mistakes With Hasn’t and Haven’t
Even experienced English learners sometimes make these mistakes.
Using “Haven’t” With He, She, or It
Incorrect:
- She haven’t finished.
- He haven’t called.
- It haven’t started.
Correct:
- She hasn’t finished.
- He hasn’t called.
- It hasn’t started.
Why?
He, she, and it use has.
Therefore, their negative contraction is hasn’t.
Using “Hasn’t” With I
Incorrect:
I hasn’t seen it.
Correct:
I haven’t seen it.
Although I refers to one person, English pairs it with have.
This is one of the rules you need to memorize.
Using “Hasn’t” With Plural Nouns
Incorrect:
The students hasn’t arrived.
Correct:
The students haven’t arrived.
Since students is plural, use haven’t.
Getting Distracted by Nearby Nouns
Incorrect:
The box of photographs haven’t been moved.
Correct:
The box of photographs hasn’t been moved.
The main subject is box, not photographs.
This is one of the most common subject-verb agreement mistakes.
Using the Wrong Verb Form After Hasn’t or Haven’t
Incorrect:
- She hasn’t went home.
- They haven’t saw the movie.
- He hasn’t wrote the report.
Correct:
- She hasn’t gone home.
- They haven’t seen the movie.
- He hasn’t written the report.
Remember: present perfect structures generally require a past participle.
Hasn’t vs. Haven’t vs. Hadn’t
Another common source of confusion is hadn’t.
All three contractions express negative meaning, but they refer to different grammatical situations.
| Contraction | Full Form | Main Use |
| Hasn’t | Has not | Present perfect with third-person singular subjects |
| Haven’t | Have not | Present perfect with I, you, we, they, and plural subjects |
| Hadn’t | Had not | Past perfect with all subjects |
Examples
- She hasn’t arrived yet.
- They haven’t arrived yet.
- She hadn’t arrived when the meeting started.
- They hadn’t arrived when the meeting started.
Notice something important.
Hadn’t works with all subjects.
You can say:
- I hadn’t finished.
- She hadn’t finished.
- We hadn’t finished.
- They hadn’t finished.
Unlike hasn’t and haven’t, the word hadn’t does not change based on the subject.
Hasn’t vs. Didn’t: What’s the Difference?
Learners often confuse haven’t and hasn’t with didn’t.
The difference involves tense and time.
Present Perfect: Hasn’t or Haven’t
- I haven’t finished.
- She hasn’t called.
These sentences often connect a past action to the present moment.
For example:
I haven’t finished my homework.
The homework remains unfinished now.
Simple Past: Didn’t
- I didn’t finish my homework yesterday.
- She didn’t call last night.
These sentences usually refer to a completed period in the past.
Comparison Table
| Sentence | Tense | Meaning |
| I haven’t finished. | Present perfect | Not completed up to now |
| I didn’t finish yesterday. | Simple past | Did not complete at a specific past time |
| She hasn’t called today. | Present perfect | No call up to the present |
| She didn’t call last night. | Simple past | No call during a finished past period |
A Simple Way to Remember
Use didn’t when you clearly refer to a completed past time.
Use hasn’t or haven’t when the action connects to the present.
Formal vs. Informal Usage of Hasn’t and Haven’t
Contractions are standard English.
They are not incorrect simply because they sound conversational.
You can use hasn’t and haven’t in:
- Conversations
- Emails
- Blog posts
- Articles
- Personal writing
- Most workplace communication
- Dialogue
Examples:
She hasn’t responded yet.
We haven’t received the documents.
These sentences are perfectly grammatical.
When to Use “Has Not” or “Have Not”
Full forms may sound more formal or emphatic.
Compare:
She hasn’t agreed.
She has not agreed.
The second sentence places more emphasis on the negative statement.
Similarly:
We haven’t approved the request.
We have not approved the request.
Both are correct.
The choice often depends on tone and context.
A Simple Test to Choose Between Hasn’t and Haven’t
If you get confused, use this three-step method.
Find the Subject
Ask:
Who or what is the sentence about?
For example:
The students haven’t arrived.
The subject is students.
Decide Whether the Subject Takes “Has” or “Have”
Ask yourself:
- Would I say The student has?
- Or The student have?
Clearly:
The student has.
Therefore:
The student hasn’t arrived.
Now try the plural version:
The students have.
Therefore:
The students haven’t arrived.
Choose the Correct Contraction
- Has not → hasn’t
- Have not → haven’t
That’s all you need to do.
Hasn’t vs. Haven’t: Side-by-Side Examples
The following table provides a quick visual comparison.
| Hasn’t | Haven’t |
| She hasn’t called. | I haven’t called. |
| He hasn’t arrived. | They haven’t arrived. |
| The dog hasn’t eaten. | The dogs haven’t eaten. |
| My phone hasn’t charged. | Our phones haven’t charged. |
| The company hasn’t responded. | The companies haven’t responded. |
| My friend hasn’t finished. | My friends haven’t finished. |
| The child hasn’t slept. | The children haven’t slept. |
Look at the subject first.
That is always the key.
Real-Life Examples of Hasn’t and Haven’t
Grammar becomes easier when you see how people actually use it.
At School
- The teacher hasn’t posted the grades yet.
- The student hasn’t completed the assignment.
- The students haven’t completed the assignment.
- We haven’t received the exam results.
At Work
- The manager hasn’t approved the proposal.
- The company hasn’t announced the changes.
- The employees haven’t received their schedules.
- We haven’t discussed the new project.
In Everyday Conversation
- She hasn’t texted me yet.
- I haven’t seen him today.
- They haven’t decided where to eat.
- He hasn’t told anyone.
- We haven’t watched that show yet.
In Technology
- My phone hasn’t updated.
- The computer hasn’t restarted.
- The devices haven’t connected.
- The applications haven’t loaded properly.
The same grammar rule works in every situation.
A Practical Case Study: How One Word Changes the Sentence
Consider these two sentences:
The customer hasn’t received the package.
The customers haven’t received the package.
Only one letter changes in the subject: customer becomes customers.
However, the auxiliary verb also changes:
- Singular customer → hasn’t
- Plural customers → haven’t
This demonstrates an important grammar principle.
A verb must agree with its subject, not with what the writer intended to say generally.
Even a small change in the subject can require a different verb form.
That’s why proofreading matters.
Practice Exercise: Hasn’t or Haven’t?
Choose the correct word for each sentence.
- She ______ finished her homework.
- I ______ received the package.
- The children ______ gone to bed.
- The computer ______ started.
- We ______ made a final decision.
- The list of names ______ been checked.
- They ______ answered the question.
- My brother ______ called today.
- The students ______ completed the test.
- You ______ told me the truth.
- The dog ______ eaten its food.
- My parents ______ arrived yet.
- The group of players ______ chosen a captain.
- I ______ seen that movie.
- The documents ______ been signed.
Take a moment before checking the answers.
The best approach is to identify the subject first.
Answers and Explanations
She hasn’t finished her homework.
She takes hasn’t.
I haven’t received the package.
I takes haven’t.
The children haven’t gone to bed.
Children is plural, so use haven’t.
The computer hasn’t started.
Computer is singular, so use hasn’t.
We haven’t made a final decision.
We takes haven’t.
The list of names hasn’t been checked.
The main subject is list, not names.
They haven’t answered the question.
They takes haven’t.
My brother hasn’t called today.
Brother is singular.
The students haven’t completed the test.
Students is plural.
You haven’t told me the truth.
You takes haven’t.
The dog hasn’t eaten its food.
Dog is singular.
My parents haven’t arrived yet.
Parents is plural.
The group of players hasn’t chosen a captain.
In standard American English, group is treated as singular.
I haven’t seen that movie.
I always takes have/haven’t.
The documents haven’t been signed.
Documents is plural.
Hasn’t vs. Haven’t: Quick Reference Cheat Sheet
Use this table whenever you need a fast reminder.
| Subject | Use |
| I | Haven’t |
| You | Haven’t |
| He | Hasn’t |
| She | Hasn’t |
| It | Hasn’t |
| We | Haven’t |
| They | Haven’t |
| One person or thing | Hasn’t |
| More than one person or thing | Haven’t |
Memory Trick
Think about the positive form first:
- He has → He hasn’t
- She has → She hasn’t
- It has → It hasn’t
- I have → I haven’t
- They have → They haven’t
If you know whether the subject takes has or have, the negative contraction becomes easy.
Key Takeaways About Hasn’t vs. Haven’t
Before moving to the FAQs, here’s a quick summary.
- Hasn’t means has not.
- Haven’t means have not.
- Use hasn’t with he, she, it, and singular nouns.
- Use haven’t with I, you, we, they, and plural nouns.
- The correct choice depends on subject-verb agreement.
- Both words commonly appear in present perfect sentences.
- Hasn’t and haven’t usually take a past participle when forming the present perfect.
- Long phrases between the subject and verb can cause mistakes.
- Identify the real subject before choosing the contraction.
- If you’re unsure, expand the contraction into has not or have not.
Conclusion
Understanding hasn’t vs. haven’t becomes much easier when you focus on the subject of the sentence. Use hasn’t with he, she, it, and other singular subjects, while haven’t works with I, you, we, they, and plural subjects. Both are contractions used to form negative statements, especially with the present perfect. Remember that hasn’t means has not, while haven’t means have not. Once you understand subject-verb agreement and the difference between has and have, choosing the correct form becomes a simple part of everyday English.
FAQs
Is hasn’t singular or plural?
Hasn’t is generally used with singular third-person subjects, such as he, she, and it. For example, “She hasn’t finished her work.”
Is haven’t singular or plural?
Haven’t is used with I, you, we, and they, and with plural subjects. For example, “They haven’t arrived yet.”
What is the difference between hasn’t and haven’t?
Hasn’t is the contraction of has not, while haven’t is the contraction of have not. The subject determines which form you should use.
Can I use hasn’t with they?
No. In standard English, use haven’t with they. For example, “They haven’t finished the project.”
Can I use haven’t with he or she?
No. With he or she, use hasn’t. For example, “He hasn’t called” and “She hasn’t arrived.”
Are hasn’t and haven’t interchangeable?
No. Although both are negative contractions, they have different grammatical uses. You must choose the form that agrees with the subject.
What does hasn’t mean?
Hasn’t means has not. It is commonly used with singular third-person subjects in the present perfect, such as “He hasn’t eaten.”
What does haven’t mean?
Haven’t means have not. It commonly appears with I, you, we, and they, as in “We haven’t eaten.”
Is hasn’t used in the present perfect?
Yes. Hasn’t is commonly used to make negative present perfect sentences with singular third-person subjects, such as “She hasn’t finished.”
Is haven’t used in the present perfect?
Yes. Haven’t can form negative present perfect sentences with I, you, we, and they, such as “They haven’t finished.”
What is the difference between didn’t and haven’t?
Didn’t means did not and normally refers to the simple past, while haven’t means have not and is commonly used with the present perfect. “I didn’t see him yesterday” refers to a specific past time, while “I haven’t seen him” connects the situation to the present.
