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MODAL VERBS Teacher: Franklin Rege MUST Obligation, Deduction, probability. Examples: You must be Aline. (deduction) She must study hard if she wants to pass. (obligation) He must be a doctor. She must be at languages. HAVE TO Strong obligation Example: We have to work eight hours every day. You have to watch this movie. You had to know about it. CAN, COULD, MAY and MIGHT Probability and possibility. Examples: I can speak three languages. Could/can you do me a favor? (polite) Yesterday, I couldn’t go to Mac’s house because it was raining. I may go to the cinema tonight.(future) I might go to the cinema at night. (polite) I can’t go to the cinema tonight. Can’t or cannot May or may not Might or might not SHOULD Suggestion Example: You look tired. You should go home now. You should go out today. You should study for the test. She should go to the party tonight. We should work on Saturday.