MODALS  - Key

1 Choose the correct completion.

1 Mary can __________ to the meeting.

a) comes          b) to come       c) come

2 Jack should __________ harder.

a) studies         b) study                       c) to study

3 The whole team must __________ together in order to win the game.

a) work             b) worked         c) works

4 You have __________ an umbrella when you go out. It looks like it’s going to rain.

a) take              b) taken            c) to take

5 We have a lot of food in the fridge so you needn’t __________ shopping.

a) to go                        b) going           c) go


2 Complete the sentences. Use must, mustn’t, don’t/doesn’t have to.

1 We haven’t got much time. We must  hurry.

2 We have enough food at home so we don’t have to  go shopping today.

3 Jim gave me a letter to post yesterday. I must  remember to post it today.

4 Jim gave me a letter to post yesterday. I mustn’t  forget to post it today.

5 There is plenty of time for you to make up your mind. You don’t have to  decide now.

6 Jane doesn’t have to  wash those tomatoes. They’ve already been washed.

7 This is a valuable book. You must  look after it carefully and you mustn’t lose it.

8 “What sort of house do you want to buy?“ “Well, it doesn’t have to  be big, that’s not important.
But it must  have a nice garden, because I love flowers.“


3 Complete the sentences. Use mustn’t or needn’t.

1 The windows aren’t very dirty. You needn’t  clean them.

2 Keep these documents in a safe place. You mustn’t  lose them.

3 We mustn’t forget to turn off the lights  before we leave.

4 I needn’t  write the letter now. I can do it tomorrow.




4 Put a form of have to  or should into each gap. Sometimes the verb forms are negative.

1 Your hair is too long. I think you  should  get it cut.

2 You smell, and you’ve  got a cough. You shouldn’t  smoke.

3 I’m going to bed. I  have to  be up early tomorrow.

4 I’d like to meet your boyfriend. You should  invite him round.

5 You don’t have to  come with me if you don’t want to. I”ll go on my own.

6 You shouldn’t  tell lies. It’s naughty.

7 Geoff works too much. I think he should  take it easy.


5 Choose the correct completion according to the meaning.

1 She got the job because she  can speak five languages.

2 “I have a toothache.” “You  should  go to a doctor.“

3 They might  finish the bridge in time for the holiday traffic.

4 I cannot  go any farther. I am exhausted.

5 If you asked me nicely, I would  buy you that sweater.

6 You shouldn’t  make so much noise. He is trying to concentrate.

7 It might  rain this evening. Why don’t you take an umbrella?

8 “My boss is always looking over my shoulder whenever I do anything.“

  “That shouldn’t  bother you.”              “But it does.”

9 “Is littering against the law?“

  “Yes. There’s a law that says that you must not  throw trash on the streets.”

10 “I need some help with this table. Would  you lift the other end, please?”

   “ Sure, just a second.”