I have done (present perfect 1)

Question 1

The present perfect is formed by:

Answer 1

have + past participle

Question 2

We use the present perfect for:

Answer 2

an action in the past with a result now.
Examples:
He has cleaned his shoes.(= his shoes are clean now)
I’ve lost my passport. (= I can’t find my passport now)
Where’s Rebecca?‘She’s gone to bed.’ (= she is in bed now)
Can I take this newspaper? Have you finished with it? (= do you need it now?)