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.

1 knew2 have known3 lived4 has lived5 I haven't seen6 didn't see7 were8 have been9 haven't watched10 didn't watch