Modal Verbs of Obligation
1) We have a lot of work tomorrow. You .......be late.
[ mustn't ]
2) You .........tell anyone what I just told you. It's a secret.
[ mustn't ]
3) The museum is free. You .......pay to get in.
[ don't have to ]
4) Children ..........tell lies. It's very naughty.
[ mustn't ]
5) John's a millionaire. He
go to work.
[ doesn't have to ]
6) I ...........do my washing because my mother does it for me.
[ don't have to ]
7) We .........rush. We've got plenty of time.
[ don't have to ]
8) You ........smoke inside the school.
[ mustn't ]
9) You can borrow my new dress, but you ......get it dirty.
[ mustn't ]
10) We ......miss the train, because it's the last one tonight.
[ mustn't ]
11) She .......do this work today, because she can do it tomorrow.
[ doesn't have to ]
12) I ........clean the floor today because I cleaned it yesterday.
[ don't have to ]
13) We ........forget to lock all the doors before we leave.
[ mustn't ]
14) We ........stay in a hotel in London; we can stay with my brother.
[ doesn't have to ]
15) I ........spend too much money today, as I've only got a little left.
[ mustn't ]
16) They ........get up early today, because it's Sunday.
[ doesn't have to ]
17) I .......eat too much cake or I'll get fat!.
[ mustn't ]
18) We .........be late for the exam.
[ mustn't ]
19) You .....tidy up now. I'll do it later.
[ don't have to ]
20) He .......cook tonight because he's going to a restaurant.
[ doesn't have to ]
Modal Verbs Exercises
Here's a list of all the modal verbs exercises
Modal verbs of ability exercise
Modal verbs of obligation exercise
Modal verbs of probability exercise
Past modals exercise 1 (could have, should have, would have)
Click here to return to the main modals page
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