Has Not vs. Have Not – Which is Correct?
“Has not” and “have not” are both correct negative forms of the present perfect auxiliary verb. Use “has not” with he, she, it, or singular nouns; use “have not” with I, you, we, they, or plural nouns. The choice depends on subject-verb agreement, not meaning, pronunciation, or formality in English.
Has Not or Have Not – Which is Correct?
“Has not” and “have not” are both correct. They are negative forms of the auxiliary verb have, commonly used to form the present perfect tense. The correct choice depends on the subject of the sentence.
Use has not with third-person singular subjects such as he, she, it, and singular nouns. Use have not with I, you, we, they, and plural nouns.
| Word | Part of Speech | Meaning | Example |
|---|---|---|---|
| Has not | Negative auxiliary verb phrase | Indicates that a singular subject has not completed an action or experienced something | She has not finished the report. |
| Have not | Negative auxiliary verb phrase | Indicates that I, you, we, they, or a plural subject has not completed an action or experienced something | They have not finished the report. |
The Best Trick to Remember the Difference
Use the subject to choose the auxiliary. If the subject can be replaced by he, she, or it, use has not. If it can be replaced by I, you, we, or they, use have not.
A useful memory phrase is: “One has; many have.” For example, “The student has not arrived,” but “The students have not arrived.” Remember that you always takes have, even when referring to one person: “You have not answered my question.”
How to Use Has Not
Use has not with a singular third-person subject in the present perfect tense. The structure is subject + has not + past participle. This construction describes an action that has not happened, has not been completed, or has not produced a result up to the present time.
“Has not” is suitable in both formal and informal writing. In casual conversation, speakers often use the contraction hasn’t. The full form, “has not,” can provide emphasis or sound slightly more formal.
Example 1: The company has not released its annual report.
Example 2: Daniel has not visited the museum before.
Example 3: The package has not arrived yet.
What are the different forms of Has Not?
The phrase has not is used with singular third-person subjects in present perfect constructions. Its common contracted form is hasn’t. The auxiliary changes according to tense or structure, while the main verb usually appears as a past participle.
- Present perfect negative: She has not completed the assignment.
- Present perfect negative with a passive verb: The decision has not been announced.
- Negative contraction: She hasn’t completed the assignment.
- Past equivalent: She had not completed the assignment.
- Future equivalent: She will not have completed the assignment by noon.
Do not use “has not” with plural subjects or with I, you, or we. For example, “The workers have not arrived” is correct, while “The workers has not arrived” is incorrect.
Etymology of the phrase Has Not
Has comes from the Old English verb habban, meaning “to possess” or “to have.” Over time, have developed an important grammatical function as an auxiliary verb for forming perfect tenses. Not comes from Old English nawiht, meaning “nothing” or “not anything.” Together, “has not” forms a negative auxiliary phrase.
How to Use Have Not
Use have not with I, you, we, they, and plural nouns. Like “has not,” it commonly forms the negative present perfect tense. The structure is subject + have not + past participle.
“Have not” works in formal and informal contexts. In everyday speech and casual writing, it is often shortened to haven’t. The full form is useful for emphasis, contrast, or formal writing.
Example 1: We have not received your application.
Example 2: I have not seen that film yet.
Example 3: The researchers have not discovered a reliable solution.
What are the different forms of Have Not?
The phrase have not is used with first-person, second-person, and plural subjects in present perfect constructions. Its common contracted form is haven’t. As with “has not,” the main verb following it must normally be a past participle.
- Present perfect negative: They have not completed the project.
- Present perfect negative with a passive verb: The documents have not been signed.
- Negative contraction: They haven’t completed the project.
- Past equivalent: They had not completed the project.
- Future equivalent: They will not have completed the project by Friday.
Do not use “have not” with a singular third-person subject in standard English. For example, “She has not called” is correct, while “She have not called” is incorrect.
Etymology of the phrase Have Not
Have developed from Old English habban and originally expressed possession. It later became an auxiliary verb used to connect a subject with a completed action or past experience. Not originated from Old English negative expressions meaning “not” or “nothing.” The phrase “have not” therefore combines the perfect-tense auxiliary with a negative marker.
Related Concepts
Understanding subject-verb agreement and the present perfect tense makes it easier to choose between “has not” and “have not.”
- Subject-verb agreement: A verb must agree with its subject in person and number. “Has” agrees with singular third-person subjects, while “have” agrees with I, you, and plural subjects.
- Present perfect tense: This tense uses has or have followed by a past participle to describe past actions connected to the present.
- Auxiliary verbs: Auxiliary verbs help form tense, questions, negatives, and passive constructions. In these phrases, has and have are auxiliary verbs.
- Negative contractions: “Has not” becomes “hasn’t,” and “have not” becomes “haven’t.” These contractions are especially common in conversation.
Examples from Media and Literature
Writers, journalists, and screenwriters use both forms according to the subject of the sentence. The following examples illustrate patterns commonly found in news reporting, fiction, and dialogue:
- News style: “The committee has not reached a final decision.” The singular noun committee takes “has not.”
- News style: “Officials have not confirmed the cause of the incident.” The plural noun officials takes “have not.”
- Literary narration: “She has not forgotten the promise.” The pronoun she requires “has not.”
- Film dialogue: “We have not finished yet.” The pronoun we requires “have not.”
- Documentary or historical writing: “Researchers have not found conclusive evidence.” The plural subject researchers requires “have not.”
Has Not Synonyms
| Synonym | Definition |
|---|---|
| Hasn’t | The common contracted form of “has not.” |
| Has yet to | Indicates that a singular subject has not done something up to the present time. |
| Has failed to | Indicates that a singular subject did not successfully perform an expected action. |
| Has never | Indicates that a singular subject has not done something at any time. |
Have Not Synonyms
| Synonym | Definition |
|---|---|
| Haven’t | The common contracted form of “have not.” |
| Have yet to | Indicates that I, you, we, they, or a plural subject has not done something up to now. |
| Have failed to | Indicates that a plural or first- or second-person subject did not successfully perform an expected action. |
| Have never | Indicates that the subject has not done something at any time. |
Frequently Asked Questions
Question 1: Should I use “has not” or “have not” with “everyone”?
Use has not because everyone is grammatically singular: “Everyone has not agreed,” although “Not everyone has agreed” is often the more natural wording.
Question 2: Is “hasn’t” the same as “has not”?
Yes. “Hasn’t” is the contraction of “has not.” The full form is generally preferred when emphasizing the negative or writing in a particularly formal style.
Question 3: Is “have not” correct with “you” when speaking to one person?
Yes. “You” always takes have, whether it refers to one person or more than one person: “You have not answered the question.”
Conclusion
Has not and have not are both correct, but they agree with different subjects. Use “has not” with he, she, it, and singular nouns. Use “have not” with I, you, we, they, and plural nouns. Pro Tip: Correct subject-verb agreement strengthens your professional reputation by making your writing appear polished, precise, and trustworthy.
