A
It was snowing, so we can / had to / must wear out coats
It was snowing, so we must wear out coats
There are plenty of tomatoes in the fridge. You mustn't / needn't buy anything
You needn't buy anything
The doctor says I might / must get more exercise
I must get more exercise
Tomorrow is a holiday, so we mustn't / don't have to get up early
we don't have to get up early
He stopped the car so he should / could rest for a while
He could rest for a while
When I saw him, I might not / can't / couldn't remember his name
When I saw him, I couldn't remember his name
The singer has got a sore throat so she ..... (sing)at the concert
She can't sing at the concert
He..... play chess when he was young
He could play chess when he was young
..... I see your passport please?
Can I see your passport please?
You ....... forget to turn off the lights when you go to bed
You mustn't forget.....
You..... come to us for dinner. I won't accept no for an answer
You must come to us for dinner
He ...... reach it. He's not tall enough
He can't reach it
I...... (lend) you the money. Why didn't you ask me
COULD
I could have lent you the money
She knew everything about our plans. She..... (listen) to our conversation
MUST
She must have listened to our conversation
A: I'm afraid Ted is watching TV again
B: He...... (watch) TV because his room is completely silent and dark
He can't be watching TV.....
The traffic was slow because of rush hour. I should have left / should leave at 3.00 instead of at 4.00
I should have left at 3.00 instead at 4.00
You never asked me. I would tell / would have told you about the party
I would have told you about the party
I didn't hear my phone ring last night (be / on silent)
It must have been on silent
Linda was very upset. We ought to talk / ought to have talked to her
we ought to have talked to her.
Jack is a terrible cook (not make / this delicious quiche)
He can't / couldn't have made this delicious quiche
I have never received your invitation. You must send / must have sent it to the wrong address
You must have sent it to the wrong address
It's not necessary for Mike to finish this today (have to)
Mike.....
Mike doesn't have to finish this today
You should come / should have come to the parade. It will be fun
You should have come to the parade
We think Grandma took this photo (must)
Grandma.....
Grandma must have taken this photo
I'm sorry, but we.......(be able to) go to your party next Saturday
I'm sorry, but we won't be able to go to your party next Saturday.