Question

Answer 1

1 have been

2 learning

3 to go

4 has

5 used to

6 saving

7 have done

8 to buy

9 met

10 was having

11 haven't  met

12 taking

13 was built

14 not to make

15 was sleeping

16 to visit

Answer 2

have been / learning / to go / has / used to / saving / have done / to buy / met / was having / haven't met / to take / was built / not to make / was sleeping / to visit