We had .................. check that the doors are locked before we go out.
better
15
The thief knew the secret code. It ....................... have been someone who works here.
must
15
When the police arrest someone, they ............................. to spend a lot of time filling in forms.
have/need
15
You ......................... have taken your expensive watch on a camping holiday. It was very risky.
shouldn't
15
The police ................................ find any evidence (NOT BE ABLE TO in the past)
weren't able to
20
3 modals expressing "advice"
should, ought to and had better
20
3 modals expressing "possibility"
may, might and could
20
2 modals expressing "ability" in the present
can, be able to (is, are, am able to)
20
The past of the modal verb "can" is ...
could
15
4 modal verbs to ask for permission
can, could, may, might
20
I'm sure he ......................... be at home. He leaves work at 5 and it's 4 o'clock.
can't/cannot
20
Rewrite the following sentence: "It's certain that the thieves knew where the jewellery was". They ....................................... where the jewellery was.
must have known
25
Rewrite the following sentence: "We were ordered to empty our pockets before we could go into the concert". We ........................ to empty our ....
had
25
Rewrite the following sentence: "It was a mistake to leave my valuables in the hotel room". I ...........................my valuables in the hotel room.
shouldn't have left
25
Rewrite the following sentence: "It's possible that they forgot to turn on the alarm". They ...................to turn on the alarm.
may/might/could have forgotten
25
Rewrite the following sentence: "Is it OK if I take a picture of your notes?" .............. I take a picture of your notes?
