English grammar: modal verbs

Question 1

The story ____________________ be true, but I don’t think it is.

Accepted Answer

may, could, might

Question 2

____________________ a bit longer, but I really have to go now.

Accepted Answer

I'd stay

Question 3

‘Do you know where Liz is?’ ‘No, I suppose she ____________________ shopping.’

Accepted Answer

could have gone, may have gone

Question 4

I couldn’t wait for you any longer. I ____________________, and I went.

Accepted Answer

had to go

Question 5

It’s late. It’s time ____________________ home.

Accepted Answer

we went, to go

Question 6

Lisa phoned me and suggested ____________________ lunch together.

Accepted Answer

we should have, we have

Question 7

Shall I buy a car? What’s your advice? What ____________________?

Accepted Answer

would you do

Question 8

‘I was surprised that Kate wasn’t at the meeting yesterday.’ ‘She ____________________ about it.’

Accepted Answer

may not have known, might not have known

Question 9

I ____________________ out but I didn’t feel like it, so I stayed at home.

Accepted Answer

could have gone

Question 10

‘What do you think of my theory?’ ‘I’m not sure. You ____________________ right.’

Accepted Answer

could be, might be

Question 11

I can’t find the theatre tickets. They ____________________ out of my pocket.

Accepted Answer

must have fallen

Question 12

Somebody ran in front of the car as I was driving. Fortunately I ____________________ in time.

Accepted Answer

managed to stop, could stop

Question 13

You are always at home. You ____________________ out more often.

Accepted Answer

should go

Question 14

The fire spread throughout the building very quickly, but fortunately everybody ____________________.

Accepted Answer

managed to escape, was able to escape, could escape

Question 15

Why did you leave without me? You ____________________ for me.

Accepted Answer

should have waited

Questions 15