Question

(present perfect tense rules )
​

Answer 1

Answer:

Affirmative: Subject + Have / Has + Past Participle.

Negative: Subject + Haven't / Hasn't + Past Participle.

Question: Have / Has + Subject + Past Participle.

Unspecified point in the past.

Answer 2

Answer:

I think that u got ur answer.....for more answers u can ask me