2. capacity informal permission poder CAN PRESENT

3. She cannot (can’t) solve it. (capacity) She cannot (can’t) solve it. (capacity) Sarah can solve that problem. (capacity) Sarah can solve that problem. (capacity) Can she really solve it? (capacity) Can she really solve it? (capacity) Of course, you can. (informal permission) Of course, you can. (informal permission) Can I turn on the TV? (informal permission) Can I turn on the TV? (informal permission)

4. COULD podia capacity in the past PAST

5. When I was younger I could stay up all night and not get tired. When I was younger I could stay up all night and not get tired. Last week Windows could not (couldn’t) start because a configuration problem. Last week Windows could not (couldn’t) start because a configuration problem. Could he have done a better job yesterday ? Could he have done a better job yesterday ?

6. BE ABLE TO can be able to PRESENT – PAST - FUTURE ser capaz poder

7. You can do that. You can do that. You are able to do that. You are able to do that. You were able to do that. You were able to do that. You will be able to do that. You will be able to do that. You could do that. You could do that. PRESENT PAST FUTURE

8. MAY FUTURE possibility formal permission poder

9. The explosion may have been caused by a malfunction. (possibility) The explosion may have been caused by a malfunction. (possibility) We'd better not interfere - she may not like it. (possibility) We'd better not interfere - she may not like it. (possibility) May it cause a problem ? (possibility) May it cause a problem ? (possibility) - May I come in? - Yes, you may come in. (formal permission)

10. MIGHT FUTURE - PAST uncertain possibility possibility in the past poderia hypothetical possibility possibility

11. I thought he might be hungry. (uncertain possibility) I thought he might be hungry. (uncertain possibility) If you were older you might understand. If you were older you might understand. (hypothetical possibility) Might he have come if he wanted ? (possibility in the past) Might he have come if he wanted ? (possibility in the past) Don't go any closer – it might/may be dangerous. (possibility) Don't go any closer – it might/may be dangerous. (possibility)

12. MUST PRESENT - FUTURE obligation strong necessity dever deduction

13. You must help them. They're relatives of yours! (obligation) You must help them. They're relatives of yours! (obligation) Joan must pay attention to the class. (necessity) Joan must pay attention to the class. (necessity) John's been driving all day - he must be tired. (deduction) John's been driving all day - he must be tired. (deduction)

14. MUST NOT PRESENT - FUTURE prohibition dever (negative) demand

15. You must not smoke. (prohibition) You must not smoke. (prohibition) You mustn’t behave like that. (demand) You mustn’t behave like that. (demand) You mustn't leave your stuff there. (demand) You mustn't leave your stuff there. (demand) You must not talk inside here. (prohibition) You must not talk inside here. (prohibition)

16. HAVE TO PRESENT– PAST- FUTURE must necessity = have to

17. You must focus in the text. You have to focus in the text. You had to focus in the text. (past) You had to focus in the text. (past) You will have to focus in the text. (future) You will have to focus in the text. (future) = PRESENT – PAST - FUTURE

18. SHOULD OUGHT TO PRESENT – FUTURE should advice = ought to

19. They should stop writing reports. They should stop writing reports. They should not (shouldn’t) stop writing reports. They should not (shouldn’t) stop writing reports. Should they stop writing reports ? Should they stop writing reports ? They ought to consider the possibility. They ought to consider the possibility. They ought not to consider the possibility. They ought not to consider the possibility. Ought they to consider the possibility ? Ought they to consider the possibility ?

20. Complete with the correct form of "can" and "may“. 1.She ________speak four languages. (capacity) 2.______I come in, Mr. president? (formal permission) 3._______ I press that key, teacher? (informal permission) 4.It_______happen to everyone. (possibility) 5.He________be telling the truth. (possibility) can May Can may may

21. 6.He _______be telling lies, too. (possibility) 7. _______you read that sign from this distance? (capacity) 8.The students_______do it without your help Peter. (capacity) 9.____I use your computer for a moment, please ? (informal permission) 10.You_______try once more. (possibility) may Can can Can may

22. Complete the sentences using the correct form of have to. 1.We must call someone to help. We________call someone to help. (past) We________call someone to help. (past) 2.They must wait here for a while. They ___________wait here for a while. (future) They ___________wait here for a while. (future) 3.She must make a decision as soon as possible. She___________make a decision as soon as possible. (future) She___________make a decision as soon as possible. (future) 4.You must follow the rules, man. You _________follow the rules, man. (present) You _________follow the rules, man. (present) had to will have to have to

23. 5.He must send that e-mail message now. He_________send that e-mail message now. (present) He_________send that e-mail message now. (present) 6.We must handle this situation immediately. We____________handle this situation immediately. (future) We____________handle this situation immediately. (future) 7.They must call the police. They are at risk! They ________call the police. They were at risk!(past) They ________call the police. They were at risk!(past) 8.He must hurry otherwise he will be caught! He ________hurry otherwise he will be caught! (present) He ________hurry otherwise he will be caught! (present) has to will have to had to has to

24. Fill the blanks using "should" or "ought" according to the sentence. 1.You _______talk to the dentist. 2._________they to provide the equipment? 3.He ________to take those remedies. 4. Every American________know that, forty years ago, it was against the law in many states for a black person to sit in the front of a bus. 5.The counselor________have helped that poor guy. 6.They__________to do their best in order to win the prize. 7.You________ to be kinder to him. 8. Keep in mind that this price _______ to be very, very low. should Ought should should ought ought ought ought

25. (FMU) - You__________play tennis better some years ago. a)canb)hadc)oughtd)coulde)might Test 1

26. (FMU) - They___________do this tomorrow. a)is able to b)can to c)will be able to d)would be able e)could to Test 2

27. (Makenzie) - In the sentence, "You may be wrong, but you may be right." MAY means: a) possibility b) permission c) ability d) deduction e) obligation Test 3

28. (FECAP) - “I don’t know what these words mean. I should have brought my dictionary”. “should” can be replaced (substituído) by____ a)mayb)mustc)could d)ought to e)would Test 4

29. (Unesp) - Indique a sentença que expressa um conselho. a) When depressed, teens always ask for adult guidance. b) Teens see more of what life has to offer and then they become depressed. c) Adolescents who never make new friends become depressed. d) Adolescents don't try to make new friends when they feel depressed. e) When teens become depressed, they should try to ask an adult for help. Test 5

30. Test 6 (Unesp) - Assinale a alternativa correta: Doctors and dentists should always ______ with their training. a) continued b) continue c) continuing d) will continued e) have continue

31. Test 7 (Unirio) - Assinale a alternativa correta: I'm sorry the train was late and I.......... arrive earlier a) couldn't b) ought not c) don't d) mustn't e) wouldn't

32. Test 8 (Mackenzie) - Indicate the alternative that best completes the following sentence. "Look how wet the ground is! It _________ last night. a) might be sunny b) must have rained c) should have been warm d) may be snowing e) ought to dry

33. Test 9 (Unesp) - Universities abroad may ________ a more recent result when the IELTS was taken a long time ago. a) requires b) require c) to require d) requiring e) required

34. Test 10 (PucCamp) - Assinale a letra correspondente à alternativa que preenche corretamente as lacunas da frase apresentada. Janet: Look, our boat is sinking! Peter: Oh, dear! Can you swim? Janet: Yes, but we won't have to, there's a life boat on board. In the above dialogue, the verbs "CAN" and "HAVE TO" express respectively....... and......... a) ability - obligation b) permission - prohibition c) possibility - prohibition d) permission - possibility e) ability - necessity