Question

Answer 1

1 have you studied - have learnt

2 have been waiting - hasn't come

3 have lost - Have you seen - have just seen

4 Have you been working - have been studying

5 Have you seen - haven't seen - has lived

6 have been doing - have finished

7 has left - has been cleaning -- has finished

8 have been working - have been doing

9 have heard - have you been doing - have done

10 have you read - have read - haven't finished

11 have you known - have known

12 Has John always been living - has been living