Odpowiedź :
Odpowiedź:
Wyjaśnienie:
My friends/study/art.
1.to be going to
(+) My friends are going to study art.
(-) My friends aren't going to study art.
(?) Are my friends going to study art?
Passive: Art is going to be studied by my friends.
2.Present perfect
(+) My friends have studied art.
(-) My friends haven't studied art.
(?) Have my friends studied art?
Passive: Art has been studied by my friends.
3.Present continuous
(+) My friends are studying art.
(-) My friends aren't studying art.
(?) Are my friends studying art?
Passive: Art is being studied by my friends.
4.Past continuous
(+) My friends were studying art.
(-) My friends weren't studying art.
(?) Were my friends studying art?
Passive: Art was being studied by my friends.