1) has been; was
2) have you studied; have qualified
3) did you first meet
4) you've cooked
5) wanted; weren't
6) has happened; We've been waiting; he hasn't phoned
7) I posted; haven't received
8) I've been working; I've never realised
1) has been; was
2) have you studied; have qualified
3) did you first meet
4) you've cooked
5) wanted; weren't
6) has happened; We've been waiting; he hasn't phoned
7) I posted; haven't received
8) I've been working; I've never realised