1. you have been sleeping 2. I've just received, I haven't received any letters from my parents yet. 3. They had been playing 4. We have been living here 5. I have been waiting 6. You have been working 7. He has been watching, he has seen 8. Their parents have known 9. We have been repairing 10. She didn't change
2. I've just received, I haven't received any letters from my parents yet.
3. They had been playing
4. We have been living here
5. I have been waiting
6. You have been working
7. He has been watching, he has seen
8. Their parents have known
9. We have been repairing
10. She didn't change