ПРОШЛОЕ.
1.I was born on July 7.
2.It happened many years ago.
3.He bought a pair of socks and a T-shirt.
Длительное.
1.I am singing.
2.They aren’t playing computer games now.
3.She is playing tennis now.
Завершенное.
1.I have done my homework already.
2.We have no classes today, our teacher has fallen ill.
3.Have you seen this film?