Choose the correct one
fill the gap
Random tasks
modal verbs of deduction
100

He can/may/should swim perfectly

can

100

I ______ wear my uniform to school every day (strong obligation).

Must

100

Correct the mistake:

She have to work only 3 hours a day.

she HAS to

100

I ______ go to Samuel's birthday party tonight. It's possible, but I'm not certain.

I might / may go to Samuel's birthday party tonight. I'm not certain.

200

Which modal verb do we use to give advice? 

a) can/could
b) should/ought to
c) must

b) should/ought to

200

You ______ tell him the truth (advice)

should

200

Correct the mistake:

We use "needn't have" to talk about something that wasn't necessary an it didn't happen.

We use "needn't have" to talk about something that wasn't necessary but it happened.

200

Which modal verb do we use when we think something is impossible?

Can't

300

Which modal verbs we use to ask for permission?

a) should/ought to
b) must/have to
c) can/could/may

c) can/could/may

300

My boss is waiting for me. I _______ go now (obligation under circumstances). 

have to

300

Rewrite a sentence:

It's prohibited to turn right here.

You mustn't turn right here

300

She ______ be in love with him. She told me she hates him.

can't

400

You _____ revise modal verbs before your test tomorrow. 

a) can

b) should

c) musn't

b) should

400

There was no school yesterday so I _________ to wake up early. (It wasn't necessary)

didn't need / didn't have 

400

Which modal verb do we use to give an advice?

Should/ought to

400

He _______ be at home now. He is ill an I'm sure he won't go anywhere

must
500

You ________ bread, I did it yesterday. What will we do with it now?

a) Needn't have bought
b) Mustn't have bought
c) Didn't need to buy

a) Needn't have bought

500

You ______ (not) cross the road here (strong prohibition), a car _____ hit you (possibility)

mustn't, may/can

500

explain the difference:

I didn't need to wake up early today.

I needn't have woken up early today.

1) It wasn't necessary to wake up early and I didn't

2) It wasn't necessary to wake up early but I did

500

65 it is too low of a number, it ______ be the right answer. I think the answer _____ be 105. 

can't, could / may/might