Откройте скобки и используете tense form.
1. He (buy) a new house last week, but he (not sell) his old
house yet, so at the moment he has two houses. 2. I leave) home at
7.00 and (get) here at eleven. 3. Shakespeare (write) Romeo and
Juliet. 4. By next August I (pay) $ 1,000 as income tax. 5. She
(return) me the book, (thank) me for lending it to her and (say)
that she (enjoy) it very much; but 1 (know) that she (not read) it
because most of the pages (be) still uncut. 6. He (keep) looking at
them, wondering where he (see) them before. 7. I'll still be here
next week but Mary (leave). 8. You (lock) the door before you
(leave) the office? 9. The newspaper (come)? - Yes, Michael is
reading it. 10. The film (begin) five minutes ago. Where you (be)
all this time? 11. I never (drink) martini. - Well, try it now.

1. He (bougt) a new house last week, but he (has not sold) his old house yet, so at the moment he has two houses.

2. I (left) home at 7.00 and (got) here at eleven.

3. Shakespeare (wrote) Romeo and Juliet.

4. By next August I (shall have paid) $ 1,000 as income tax.

5. She (returned) me the book, (thanked) me for lending it to her and (said) that she (had enjoyed) it very much; but I (know) that she (has not read) it because most of the pages (are) still uncut.

6. He (kept) looking at them, wondering where he (had seen) them before.

7. I'll still be here next week but Mary (will have left).

8. Had you (locked) the door before you (left) the office?

9. Has the newspaper (come)? - Yes, Michael is reading it.

10. The film (began) five minutes ago. Where have you (been) all this time?

11. I have never (drunk) Martini. - Well, try it now.