1) Example.
2) How long is it since she moved to France?
3) It`s the first time he has ever seen this film.
4) He has not visited her for a week.
5) They waited until the last guests had arrived before they started eating.
6) They have been learning computing for two months.
7) I have never driven such a fast car.
8) They still have not come back.
9) When did he break his leg?
10) He has never seen a skycraper before.
11) She has been writing a novel for a year.
12) I have never seen such a small car.
13) They went to bed when the programme finished.
14) It`s a long time since I called Ted.
15) She still has not sold the house.
16) I have never eaten such a delicious meal.
17) It`s the first time I have ever read that book.
18) She waited until he had arrived before she started cooking.
19) The last time I went swimming was a week ago.
20) He started learning Russian six months ago.
