Present Perfect

has done

has do

has did

have done

has

have

were

was

just

already

for

yet

have .....seen

has .... see

has ...... seen

hasn't .....seen

have .... finished

has ... finished

have ... finish

has..... finish

Has.... be

Have ... be

Have ... been

Has ... been

has bought

have bought

have buy

has buy

has ... took

have ... took

have ... taken

has ... taken

has ... read

have ... readed

has ... readed

have ... read

did not plan

has not planned

have not planned

had not planned

I have just wrote the letter.

I have wrote the letter.

I have already written the letter.

I have just written the letter.

John has been to seven countries.

John has already been to seven countries.

John have already been to seven countries.

John has already been to eleven countries.