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) I (have known) her for six years. 2) I (knew) him when I was at school. 3) He (lived) in Paris from 1997 to 2000. 4 He (has lived) in New York since 2001. 5) Where's Pete? I (have not seen)  him for ages. 6) I (did not see) Pete last night. 7) We (were) at primary school from 1993 to 1998. 8) We (have been)  in this class since September. 9) I (have not watched) this video yet. 10) I (did not watch)  a video at the weekend.