1. has been raining
2. have been using
3. has been learning
4. have been running
5. has been sleeping
ex. 1
1. have already done
2. comes
3. Have you ever seen
4. has already come
5. have never been
6. plays
7. has made, makes
8. have you put
ex.2
1. Does he eat
2. Does he come
3. doesn't go
4. Do you study
5. Do they work
6. Is she working