1) has been having
2) haven't seen
3) has been learning
4) has bought
5) have been watching
6) have put
7) have been
8) has been living
9) Have you been working
10) has never won
11) have you been sitting
12) Have you been cooking
13) have bought
14) has seen
15) have you been waiting
16) has won
17) has been travelling
18) have had
