1. has been studying/ since

2. have been waiting/ for

3. have been saving up/ since

4. have been typing/ for

5. has been going/ for

6. have been working/ since

7. for/ have been living

8. since/ has been learning

1. won

2. have you heard

3. have you been doing

4. have you bought

5. learned

6.forgot

7.have you ever been

8. were you

9.have you been studying

10.has passed

11.bought

12. lost

13.moved

14.did you sleep

15.have made

1has been studying, since

2 have been waiting, for

3 have been saving up, since

4 have been typing, for

5 has been going,for

6 have been working, since

7 for, have been living

8 since, has been learning

1 won

2 haven't  heard

3have you been doing

4 have you bought

5 learned

6forgot

7have you ever been

8 were you

9have you been studying

10has passed

11bought

12lost

13moved

14did you sleep

15have made