Поставьте глаголы в нужную временную форму Present Perfect или Present Perfect continuous:

1. I can't open the door. It seems to me I (to loose) my key.
2. I wonder if anything (to happen) to Chris.
3. I (to laugh) to tears over this clip
4. This woman (to live) next door for quite a long time.
5. Why you (not to bring) me the letters for signature?
6. You (to paint) for a whole day?