1. You ever (to see) that film?

2. We (to have) two grammar tests so far.

3. Nick (to meet) Steve three times this week.

4. Sally and Ewa already (to return).

5. How long you (to know) him?

6. He never (to play) the violin.

7. Sandy yet (not to answer) my letter.

8. My friend just (to finish) his work.

9. It (to be) the first time they (to sleep) in a tent.

10. I (not to contact) him since last Friday.