Bài 2:

1. never

2. often

3. since

4. rarely

5, yet

6. for

7. often

8. now

Bài 3:

1. is listening

2. is

3. learns

4. is the meeting happen - haven't known - will wait

5. have you lived

6. is rising - have ever seen

7. speaks - comes

8. do you usually go - you stay

9. is holding - look

10. have you finished - haven't

11. walks - is driving

1. Is listening

2. is

3. learns/ isn't studying 

4. Is the meeting happenings/ don't know

5. Did you live
6. Rises/ ever seen

7. Speaks/ comes

8. Do you usually go/ you stay

9. is holding/ look

10. Did you finish/ didn't

11. walks/ is driving