A power point explaining everything about Modal Auxiliary Verbs...

1. Modal Verbs or Modal Auxiliary Verbs Miss Fernanda Maturana N.

6. Ability It means “Tengo o tuve la habilidad de…” “ I was / am able to play the guitar” It means “Pude” “ I could play the guitar” It means “Puedo” “ I can play the guitar ” Expresses general ability in the past and in the present. Expresses general ability in the past. Expresses general ability in the present. BE ABLE TO COULD CAN

7. Permission It gives permission General permission to do something in the past It gives permission Less direct and formal More formal than can or could Is less direct and polite than can Is the most common. MIGHT MAY COULD CAN

8. Obligation and Necessity Used in the past ( Had to ) QUESTIONS: Use of do/does in present simple and did in the past. “ I have to be home by 10” It is used in the present and in the future “ You must be home by 10 o’clock” We use have to when the autthority comes from outside the speaker. We use must when the authority comes from the speaker. HAVE TO MUST

9. Obligation and Necessity I needn’t get up today. I don’t need to get up. I’m on holiday. I don’t have to get up today. You musn’t smoke in a hospital It is not necessary to do something It is not necessary to do something Is not necessary to do something Obligation not to do something NEEDN’T DON’T NEED TO DON’T HAVE TO MUSTN’T

12. Probability “ He ought to pass his driving test easily.” “ Sally should be at work by now.” It is used to say that something is probable at the moment of speaking, or in the future. It is used to say that something is probable at the moment of speaking, or in the future. OUGHT TO SHOULD