'Have not' is used to indicate that someone does not possess or own something, or has not done something.
Examples:
I have not received your message yet.They have not finished the project on time.She claims she has not seen the report.
Synonyms:
Antonyms:
Do not have
/duː nɒt hæv/
To lack possession or availability of something
Examples:
I do not have the time to finish the project today.We do not have enough evidence to make a conclusion.She does not have any siblings to share the chores with.
Synonyms:
Antonyms:
Ways to tell them apart:
Have not is an abbreviation for have not as in I have not finished the book.
Do not have is used to describe a lack of possession or control, like I do not have any money.
Have not is followed by a past participle in perfect tenses, making it part of a verb phrase.
Do not have directly precedes a noun to stress non-possession or non-existence.
Think of do not have as an equivalent to lack, whereas have not often connects to a verb in past tenses.