3 He hasn't met his parents.
4 She has heard this musuc before.
5 I have written a new book this month.
6 They have not finished their work yet.
7 Alan hasn't had his breakfast.
8 Cathy hasn't got up yet.
9 Martin hasn't washed up yet.
10 We haven't told him the truth.
11 Have you mentioned my name?
12 Has your mother already come ?
13 Where has Martin gone?
14 Why has John taken this book?
15 Jane has been at the theatre this week