1. David must have taken your books by mistake.
2. They shouldn't have parked outside the police station.
3. Liz can’t have met Harry before.
4. You needn't have cleaned the floor.
5. Heather might not have left yet.
6. They can’t have eaten all the food. It’s not possible!
7. Jack should have arrived half an hour ago.
8. Perhaps Pam and Tom might have decided not to come.
9. It must have been the cat that took the fish from the table!
10. It must have been a waste of time worrying, after all!
<span>He is a doctor, isn't he ?
She isn’t a teacher, is she?
Ann works in an office, doesn't she?
Ben doesn’t drink coffee, does he?
Sarah is doing her homework, isn't she ?
Bill isn’t watching TV, is he?
You will send an email, won't you?
They won’t have a test, will they ?
Mum has made a cake, hasn't she?
Dad hasn’t painted the fence, has he?
Fiona and Mark have been to Paris, haven't they?
My friends haven’t had breakfast, have they ?
He worked yesterday, didn't he ?
They didn’t go to school, did they?
Dan can speak French well, can't he ?
Peter can’t play tennis, can he ?
He is a good pupil, isn't he ?
They aren’t Polish, are they ?
You live in the USA, don't you ?
She isn’t drawing now, is she ?</span>
Helen wants to have a house by a river
When do they go to the country?
when does Ann meet teacher?
Where does he go in Friday?
What do the pupils can take?
Who is good boy?