hasn't
v.v. the short way to say 'has not'. You use it to say that someone or something does not have something, or that an action did not happen yet.
v. the contracted form of 'has not'. Used in the third-person singular to indicate possession or to form the present perfect tense in the negative.
He hasn't finished his homework yet.
The manager hasn't responded to my email, so I am still waiting for the final approval.
While the project shows great promise, the team hasn't yet secured the necessary funding to move into the production phase, which may delay the launch by several months.
has + -n't
Used with third-person singular subjects (he, she, it). In the present perfect, it is followed by a past participle.
He hasn't a car.He hasn't got a car. / He doesn't have a car.In modern English, 'hasn't' is rarely used as a standalone main verb for possession; it usually requires 'got' or the 'doesn't have' construction.