Дополнительное упражнение - раскрываем скобки, ставим глагол в форму Past Simple или Present Perfect
1) I was watching a film when my mum ... (come) home.
2. Sam (see, not) her for a week.
3) What ... you ... (do) yesterday?
4) ... you ever ... (be) to Italy?
5) I ... (fly) to Paris last week.
6) I ... (know) Alice since childhood.
2)have not seen
3)did you do
4)Have you ever been
5)flew
6)have known
1 came
2 didn't see
3 did you do
4 Have you ever been
5 flied
6 have known