14. EXERCISES ON MODAL VERBS Exercise 1. Read these sentences and write C (= Certainty) or D (= Deduction) against each one. 1. John White is a man o f action. C
2. He was in Galapagos ten years ago.
3. Now he lives in an enormous house.
4. He is writing a book.
5. He has been writing this book since he came back from the Galapagos.
6. He must be writing about his travel.
7. He must have seen the giant tortoises and the iguanas on the Galapagos.
8. He can’t have seen any elephants on the Galapagos.
9. He can’t have been working very hard on his book.
10. He must have taken a lot o f photos while he was on the islands.
11. He must have done a lot o f research for his book.
12. He must enjoy life.
Exercise 2. Supply m ust be, c a n ’t be, or m ustn’t be. Write D (= Deduction) or О (= Obligation) beside each sentence. Remember: The negative o f
m ust (^deduction) is
ca n ’t, not
mustn ’t \ \ \ He has ju st only eaten. He can ’t be hungry again! Он не может быть голоден!
The negative o f
must (= total obligation or prohibition) is
m ustn’t 1. The meeting is at 10 o ’clock sharp and you
mustn 7
be late. - О
2. Y o u __ at the station ten minutes before the departure o f the train. 3. The ch ild ren ____tired
already. We have only been walking for ten minutes. 4. The children__ thirsty. They haven’t had
a drink for hours. 5. Did you hear that? I t ___ someone walking about in our garden. 6. I don’t
recognize the handwriting on this envelope. I t ___ from anyone we know. 7. Your handwriting _
clear, otherwise no one will be able to read it. 8. Y o u ___a nuisance when you are a guest in
someone’s house. 9. D on’t panic! W e ___ late for the train. It doesn’t leave till 10.05. 10. We _
late for the train or w e’ll miss our connection.
