1 He hasn't done his housework yet.
2 They have studied very hard recently.
3 Has he already seen the film 'The King's Speech?
4 Have you ever visited Scotland?
5 We have known James for ages.
6 She has been doing the gardening all morning, so she is tired.
7 We have been painting my house all day, but we haven't finished yet.
8 How long have you been reading this book? For two weeks. I have already read 5 chapter.
9 He has been writing the essay since Monday and he hasn't written yet.
10 It hasn't been raining all summer, so the garden is dead.