5. Употребите глаголы, данные в скобках, в Present, Past или Future Perfect Continuous.

1. She (to play) poker since morning. 2. What you (to do) for 2 hours already? 3. John (to work) on this problem for a week when the delegation of foreign experts arrived at the institute. 4. How long you (to fish) here? Have you caught anything? 5. My mother (to grow) this sort of tomatoes for 5 years already. 6. I (to read) this book for a week before I return it to the library. 7. That strange man (to stand) at the corner since early morning. 8. How long this man (to wait) for you at the station before you met? 9. I (to study) English for 2 months before the following exam. 10. I (to shop) in the supermarket for half an hour when I lost my wallet.

1. She has been playing) poker since morning.

2. What have you (been do ing) for 2 hours already?

3. John (had been work ing) on this problem for a week when the delegation of foreign experts arrived at the institute.

4. How long have you (been fish ing) here? Have you caught anything?

5. My mother (has been grow ing) this sort of tomatoes for 5 years already.

6. I (shall have been read ing) this book for a week before I return it to the library.

7. That strange man (has been stand ing) at the corner since early morning.

8. How long had this man (been wait ing) for you at the station before you met?

9. I (shall have been study ing) English for 2 months before the following exam.

10. I (had been shopp ing) in the supermarket for half an hour when I lost my wallet.