Don't/Doesn't

Don't/Doesn't

Don't=Do Not

I works with don't. I don't like coffee. I don't want scallops.

Don't does not work with He, She, or It.

Incorrect: He don't like coffee. She don't want scallops. It don't look right.

While Don't=Do not, Doesn't=Does not

Use Doesn't or does not with He, She, It or singular nouns.

Examples: He doesn't have an appointment. The dog doesn't bark.

Use Don't or do not with We, they, and plural nouns.

Examples: We don't accept checks. Mirrors don't lie.