Open the brackets:
1. He (to leave) for Rostov two days ago.
2. Anna (to paint) since her childhood.
3. We (not to see) you for ages.
4. I (not to find) my books yet.
5. The students (to write) a dictation yesterday.
6. You (to be) ever to London?
7. My parents (to have) this house since 2000.
8. It (to snow) since the morning.