V. Раскройте скобки, употребляя глаголы в Present Perfect, Past Perfect, Future Perfect:
1. Yesterday by 7 o'clock I (to translate) the text.
2. You (to write) your composition by the time I ring you up?
3. This week we (to call) her twice.
4. She (to translate) this text by 2 o'clock tomorrow.
5. He (already to write) this letter?
6. They (not to have) breakfast before he came.
7. I (not to see) him since spring.
8. Peter (to buy) a new car yesterday?