(Present Perfect Continuous or Present Perfect)
2. I this book all evening. *
3. He two letters. *
have written
has been writing
has written
4. I rubbish since 9 o'clock. *
have collected
have collecting
have been collecting
5. She never (been) to Paris. *
6. We (phone) him for an hour. *
7. She … (clean) the house all day. *
8. Don’t worry, the film … (not start) yet. *
has not been starting
have not start
has not start
hasn't started
9. We … (know) each other since childhood. *
have known
have been knowing
has known
10. How long you (wait)for Olga? *
11. your homework? - Not yet. *
You have done
Have you been doing
Have you done

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