1. Modal Verbs can, could, will, would, may, might, should...
VERBOS MODAIS INDICAM POSSIBILIDADE, HABILIDADE, CONSELHOS, OBRIGAÇÃO, NECESSIDADE, CERTEZA E DEDUÇÃO.
SEMPRE SÃO SEGUIDOS DE UM VERBO NA FORMA BASE (I)

2. TRADUÇÃO
CAN – COULD “PODER, SABER, CONSEGUIR” MAY – MIGHT “PODER” – POSSIBILIDADE OU PERMISSÃO SHOULD (OUGHT TO) – “DEVER” MUST – ‘DEVER” – OBRIGAÇÃO

3. usos Should = ought to (CONSELHOS) Must = have to (OBRIGAÇÃO)
Can = be* able to (HABILIDADE)
May = be* allowed to (POSSIBLIDADE)

4. can- could Uso: possibilidade ou habilidade = (be* able to)
I can drive a car. I have my license. (possibility) X
I can drive. I drive every day. (ability)
I could drive a car when I was 9. (past)

5. Could (can, may, might) permission X requests (will, would)
Could (may, can) I open the door? (permission)
Could (can) you open the door?* (request)
*Will and would are also possible.

6. may - might Usos: indicar probabilidade ou possibilidade
Paul may come tomorrow (prob. maior)
Paul might come tomorrow (prob. menor)

7. Must (have to, have got to)
Usos: obrigação, dever.
You must study hard to suceed.
I must stop smoking = I HAVE TO STOP...
Dedução – must be
You must be tired after all the classes.

8. Should (ought to) Leve obrigação, conselhos. You should stop drinking.
It’s late. We ought to go home.

9. will – would I will go back to the USA next year. (futuro)
I would visit my gramma every day when I was a boy. (hábito passado = used to)

10. Modal Perfect (ações passadas)
Modal Perfect = Modal + have + III
I could have studied yesterday.
Modal + present perfect
I SHOULD HAVE BOUGHT THAT BOOK
I COULD HAVE STAYED UNTILL THE END

11. extras You should have read the contract. X
You should read the contract now
(conselho)
I needn’t have to read because I know it. =
I don’t have to read...
(ausência obrigação, “não precisa”)

12. 1. (UFRGS) The form
would have starved
indicates a:
A) habit long acquired.
B) condition in the future.
C) permission granted.
D) possibility in the past.
E) obligation in the present.

13. 3. (UFRGS) The form
should have reached
indicates the same as
A) must have reached.
B) was expected to reach.
C) will have reached.
D) can have reached.
E) was going to reach.

14. 10. (PUCRS) Answer the questions 1 to 6 by identifying the sentences whose modal verb indicates:
A) strong obligation B) mild obligation C) past obligation D) future possibility
1) ( ) I may do this exercise again.
2) ( ) I had to do this exercise again.
3) ( ) I must do this exercise again.
4) ( ) I could do this exercise again.
5) ( ) I should do this exercise again.
6) ( ) I have to do this exercise again.

15. The correct alternative it would be:
A) d – c – a – d – b – a
B) d – d – a – c – b – a
C) a – b – c – d – d – b
D) c – a – b – c – d – d
E) b – d – d – c – a – a

16. MODAIS
1. D
3. B
10 .A