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Modal Verbs. Material Adicional Idiomas. Modal Verbs: Obligation & Recommendation - To express: obligation, no obligation, prohibition and recommendation.

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Presentation on theme: "Modal Verbs. Material Adicional Idiomas. Modal Verbs: Obligation & Recommendation - To express: obligation, no obligation, prohibition and recommendation."— Presentation transcript:

1 Modal Verbs. Material Adicional Idiomas. Modal Verbs: Obligation & Recommendation - To express: obligation, no obligation, prohibition and recommendation - have to - must - should - ought to SOURCE:

2 Modal Verbs. TYPE 1: Obligation: a) have to E.g. Maria has to go to Rome. She had to see a doctor. (Use only have to in verb tenses apart from the present simple). b) must E.g. You must see a doctor. (Must expresses more urgency than have to). TYPE 2: No Obligation don't have to E.g. He doesn't have to go.

3 Modal Verbs. TYPE 3: Prohibition mustn't Eg. You mustn't insult people. TYPE 4: Recommendation a) should Eg. You shouldn't eat so quickly. b) ought to Eg. You ought to phone your mother. (Ought to is not used in the negative).

4 Modal Verbs. Further links: /verbosmodales1.htm grammar.com/modal-verbs-of- obligation.html st.p.htm


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