Раскройте скобки, употребляя глаголы в Present Perfect. Обратите внимание на употребление предлогов for и since.

1. I (to live) here (for/since) 1999.

2. He (to work) there (for/since) May.

3. They (to be) friends (for/since) they started college.

4. We (to know) him (for/since) three years.

5. They (to live) in our house (for/since) two years.

6. She (to be) ill (for/since) Friday.

7. I (not to be) in London (for/since) I (to be) a child.

8. I (to leave) Kyiv last year and I (not to see) him (for/since). 9. He (to study) French (for/since) ten years.

10. My mother (to work) in the factory (for/since) some years.

11. They (to live) in Brazil (for/since) 1960.

12. I (not to see) him (for/since) this Tuesday.

13. He (to be) in prison now (for/since) five years.

14. She (not to hear) about them (for/since) almost a year.

15. I (to know) nothing about him (for/since) several month.

Кстати, в 8 предложении, в первых скобах должно стоять прошедшее время (Past Simple) т.к. в предложении упомянуто словосочетание last year, которое может употребляться только в прошедшем времени.

большое спасибо

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1) I have lived here since 1999.2) He has worked there since May.3) They have been friends since they started college.4) We have known him for three years.5) They have lived in our house for two years.6) She has been ill since Friday.7) I have't been in London since I have been a child.8) I left Kyiv last year and I have't to seen him for(если на протяжении какого-то времени)/since(если с определенного времени. (я так понял Вы тут не дописали)9) He has studied French for ten years.10) My mother has worked in the factory for some years.11) They have lived in Brazil since 1960.12) I have't seen him since this Tuesday.13) He has been in prison now for five years.14) She has't heard about them for almost a year. 15) I have known nothing about him for several month.