Exercise 1 Fill in the chart with the appropriate modals.

may - have to - can - don't have to - could - might - needn't - can't - must - ought to - mustn't - should - had better

Ability	Obligation (necessity)	No obligation (Lack of necessity)	Advice	Prohibition	Possibility

Exercise 2 Underline the right modal in the list.

1. It's cloudy; It (might / should) rain tonight.
2. I (must / needn't) respect the red light.
3. (May / must) I take your pen?
4. You (should / mustn't) see a doctor.
5. He (must / mustn't) smoke in the station.
6. You (must / needn't) come; you could just call.
7. When I was 14, I (can / could) run faster.
8. I (can / could) play violin and guitar.
9. Tonny (had to / have to) leave yesterday.
10. He (can't / couldn't) come last night.
11. It's a hospital. You (must / mustn't) smoke here.
12. You (should / should have) helped him when he asked for help yesterday.
13. Mathew has been working all day; he (must / needn't) be tired.
14. (Can / May) you drink a bottle of water without stopping? No, I (mightn't / can't).
15. He didn't show up yet. He (might / might have) taken the wrong bus.

Exercise 1 Fill in the blanks with the appropriate word from the list. (7 Pts)

1. I am good at languages. I _________ speak French, Spanish and English. (will - can - must)
2. _________ I use your calculator machine, please? (might - may - should - could)
3. _________ you pass some salt, please? (should - must - could)
4. "You _________ smoke in the hospital," he said. (wouldn't - mustn't - needn't)
5. He said it _________ rain tonight. (had to - should - might)
6. You _________ work hard if you want to succeed. (must - can - mustn't)
7. Mr. Laurence _________ come because he was sick. (mustn't - couldn't - can)
8. When I was a child, I _________ wear the school uniform. (had to - must - can)
9. We have a party tonight. So, we _________ be late. (mustn't - don't have to - has to)
10. The entrance to the stadium is free today. You _________ buy the ticket. (mustn't - don't have to)
11. I saw her crying. She _________ a problem. (will have had - must have had - can't have had)
12. You _________ all this dessert. We still have some apples and oranges in the fridge. (shouldn't have brought - will have brought - might have brought)
13. The man over there _________ Mr. Jason. Mr. Jason died two weeks ago. (should be - will be - can't be)
14. When he was a young boy, he _________ work out every day. (can - could - will)

Exercise 2 Fill in the blanks with the appropriate word from the list. (8 Pts)

1. "It's a library. You _________ keep quiet," he said. (must - can - may)
2. Everybody can get this job. You _________ get any diploma. (needn't - should - will)
3. "You _________ go if you want to," the boss told his secretary. (may - should - must)
4. If you want to catch the train, you _________ leave now. (will - must - can)
5. There is plenty of food and the guests are few. You _________ buy all this food. (don't have to - mustn't - should)
6. You _________ leave the medicine on the ground. The child might swallow it. (should - shouldn't - may not)
7. Taxi drivers _________ respect the red light. (can - must - might)
8. He has a Ferrari car. He _________ be very rich. (must - can - will)

Exercise 3 Match the following sentences with their right functions. (5 Pts)

Sentences:

1. He can play the violin pretty well.
2. Can we go out tonight, mum?
3. You should work out regularly.
4. Could you help me do this homework?
5. Would you like some chocolate?
6. She got a good mark. She must be an excellent student.
7. You must respect the traffic code.
8. Ask your father. He may know the answer.
9. He can't play the match today.
10. You mustn't park your car here.

Functions: a. Advice b. Permission c. Ability d. Request e. Offer f. Obligation g. Certainty h. Possibility i. Prohibition j. Inability