Past simple or present perfect. exercises. complete the pairs of sentences. use the present perfect in one sentence and the past simple in the other. 1. i (know) her for six years. 2. i (know) him when i was at school. 3. he (live) in paris from 1997 to 2000. 4. he (live) in new york since 2001. 5. where's pete? i (not see) him for ages. 6. i (not see) pete last night. 7. we (be) at primary school from 1993 to 1998. 8. we (be) in this class since september. 9. i (not watch) this video yet. 10. i (not watch) a video at the weekend.
2 have known
3 lived
4 has lived
5 I haven't seen
6 didn't see
7 were
8 have been
9 haven't watched
10 didn't watch