Exercise 6. Use the Present Perfect Progressive instead of the infinitives in brackets.

1. I (not sleep) for twenty three hours. 2. She (work) in the library for the last five hours. 3. We just (speak) about you. 4. What you (do) in my absence? 5. He (stay) here for three months; and I think my father (entertain) him too long. 6. She (have) a toothache since morning. 7. They (play) football for two hours. 8. She (dance) since yesterday evening. 9. Where you (sit) all this time? 10. She (tell) a lot of lies about me, I’m sure. 11. What you (talk) about since I left?

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