А0 - landed
A1 - as
A2 - was brought
A3 - wrote
A4 - due to the fact that
A5 -- were travelling
A6 - as
A7 - like
A8 - because
A9 - as
A10 - as
A11 - are added
A12 - thanks to
1) she had been walking in the rain
2) she had been drawing in his school copybooks
3) had been working for many hours
4) the children had been playing there
I had read the newspaper by 6 o'clock
She had cut the pie when they came
Her mother had changed her mind before I phoned
The students had shaken hands when they came
We had cleaned the room before he returned
He had broken the cups by that time
She had read the newspaper before I phoned
I had take out the garbage when they came
She had changed her mind before I phoned
Her mother had broken the cups by that time
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!
1 aren't there - yes, there are
Wasn't it - no, it wasn't
3 are they? No, they aren't
4 don't they - yes, they do
5 can't you? No I can't
6 is it- yes it is
7 doesn't it- yes it does