Complete the pairs of sentences. use the present perfect in one sentence and the past simple in the other. ( ) i (know) her for six years. i (know) him when i was at school. he (live) in paris from 1997 to 2000. he (live) in new york since 2001. where's pete? i (not see) him for ages. i (not see) pete last night. we (be) at primary school from 1993 to 1998. we (be) in this class since september. i (not watch) this video yet. i (not watch) a video at the weekend.