2. are cleaning
3. sings/ is singing
4. is reading (?)
5. doesn't get up
6. arrive
7. comes
8. Do... work
9. are investigating
10. is running/ wants
11. see
12. is sleeping
13. is explaining
14. visited (Đề là HTĐ và HTTD sao lại có cả QKĐ ở đây vậy ạ?)
15. needs