Question

present perfect negative positive e interrogative

Answer 1

Present perfect affirmative form:

Subject+ have/has + verb( past participle) +complement

Ex: she has done her homework.

Present perfect negative form:

Subject + haven't /hasn't + verb (past participle) +complement

Ex: she hasn't done her homework

Present perfect interrogative form:

Have/has+ subject + verb ( past participle)+ complement +?

Ex:has she done her homework?