Present perfect

1. Present Perfect

2.

+
has
ed 3 ф
have
has
watched

3.

-
has
not
have
has not watched
ed 3 ф

4.

?
has
гл+ed/
3 ф.
have
Have
watched

5. Употребление:

already, just,
yet, never, ever, recently, lately
already

6.

since (c)
since