Odpowiedź:
Wyjaśnienie:
Present simple
(+) My friends study art.
(-) My friends don't study art.
(?) Do my (your) friends study art
Passive: Art is studied by my friends.
Past simple
(+) My friends studied art.
(-) My friends didn't study art.
(?) Did my (your) friends study art?
Passive: Art was studied by my friends.
Future simple
(+) My friends will study art.
(-) My friends won't study art.
(?) Will my (your) friends study art?
Passive: Art will be studied by my friends.