Present Perfect Tense

have (has) + V3
have (has) not + V3
Have (Has) + V3 ?
Let’s go to the cinema.
Thanks, but I have already seen this film.
Have you already had breakfast?
No, I haven’t had breakfast yet.
have just + V3
have already + V3
have never + V3
have not + V3 yet
Have + V3 yet?
He has just cleaned his room.
It’s clean now.
Has he spoken to John yet?
No, he hasn’t spoken to John yet.
Сигналы
just
already
yet
ever/never
since/for
this
morning
I have known him for 3 years.
They have been together since last year.