Question

plz answer what is present perfect detail answer​

Answer 1

Answer:

simply its a type of present tense which states that the action began in past but will end at the present moment ( after the time of speaking).

example: We have lived here for ten years.

It is also used when you wish to describe past events when you think more of their effect in the present than of the action itself...

Explanation:

example of underlined portion..

Gopi has eaten all the biscuits(i.e.,there aren't any left for you).

Answer 2

Answer:

we can.use present perfect when the work has fully completed

condition

sub + has/have + verb 3 form +object