Put the verb in brackets into the Future Perfect.
1. 1 (to leave) university by this time tomorrow.
2. We (to go away) before you come.
3. He (to pass) his examinations before you return from the south.
4. She (to return) the book to the library before you come.
5. He (to give) the final answer by this time tomorrow.
6. The expedition (to leave) for the north by April.
7. We (to go) by five o'clock tomorrow.
8. I (to finish) my report by Monday.
9. He (to post) the letter by the time we come.
10. She (to do) her homework by that time.