Как выполнить. 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) knew
2) have known
3) lived
4) lived
5)haven't
6) didn't
7) have been
have been
9) haven't
10) didn't
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1. I have known

 her for six years. - Present Perfect. 2. I knew

 him when I was

 at school. - Past Simple. 3. He lived

 in Paris from 1997 to 2000. - Past Simple. 4. He has been living

 in New York since 2001. - Present Perfect Continuous. 5. Where is Pete? I have not seen

 him for ages. - Present Perfect. 6. I did not see

 Pete last night. - Past Simple. 7. We were

 at primary school from 1993 to 1998. - Past Simple. 8. We have been

 in this class since September. - Present Perfect. 9. I have not watched

 this video yet. - Present Perfect. 10. I did not watch

 a video at the weekend. - Past Simple. Present Perfect - действие началось в прошлом и продолжается в настоящем или закончилось, но имеет результат в настоящем. Past Simple - действие окончилось в прошлом.