B12 - 12a - Mod of Ney-simple

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Modal Verbs of Necessity :

Modal Verbs of Necessity  Basic 12

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MODAL AUXILIARIES AUXILIARY + SIMPLE FORM OF VERB should (e) Inga should go inside. had better (f) You had better go inside. must (g) He must be gentle with the cat. will (h) They will attend the recital. would (i) I would like to meet her.

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AUXILIARY + SIMPLE FORM OF VERB can could may might should had better must will would not followed by to Inga can to play the violin. MODAL AUXILIARIES

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AUXILIARY + SIMPLE FORM OF VERB no final -s Inga can plays the violin. can could may might should had better must will would MODAL AUXILIARIES

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AUXILIARY + SIMPLE FORM OF VERB not in past form Inga can played the violin. can could may might should had better must will would MODAL AUXILIARIES

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AUXILIARY + SIMPLE FORM OF VERB not in -ing form Inga can playing the violin. can could may might should had better must will would MODAL AUXILIARIES

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AUXILIARY + TO + SIMPLE FORM OF VERB have to (j) You have to eat something. have got to (k) He has got to be on time. ought to (l) It ought to be fun. to + simple form MODAL AUXILIARIES

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LET’S PRACTICE She has ___ learn how to skate. to to Ø

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to Ø She might ___ learn how to skate. Ø LET’S PRACTICE

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She should ___ learn how to skate. Ø to Ø LET’S PRACTICE

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EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST This man has to wear ear protection.

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12 People need to drink water. People have to drink water. EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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13 (a) People need to drink water. same meaning (b) People have to drink water. (c) Lance needs to work . (d) Lance has to work . same meaning have + infinitive = need 13-2 USING HAVE + INFINITIVE ( HAVE TO/HAS TO)

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14 (f) Does she have to work tonight? (g) What time do you have to work ? (h) Why did you have to work today? 13-2 USING HAVE + INFINITIVE ( HAVE TO/HAS TO) QUESTION FORM: do , does , did used with have to

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15 (i) I don’t have to work today. He doesn’t have to go home. (j) The bus was early. We didn’t have to wait . 13-2 USING HAVE + INFINITIVE ( HAVE TO/HAS TO) NEGATIVE FORM: don’t , doesn’t , didn’t used with have to

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(a) I want to become a doctor. I go to medical school. have to have got to must have to have got to had better same meaning something is necessary EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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(c) It’s late. We ’ve got to go home. EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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(b) I have to go to soccer practice. (c) We ’ve got to go home. (d) Everyone must wear a seatbelt on an airplane. have to have got to must common informal conversation written instructions EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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(e) Do you have to wear seatbelts in your car? (f) Did they all have to come ? Questions have to have got to must EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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(e) Do you have to wear seatbelts in your car? (f) Did they all have to come ? Questions have to have got to must EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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(e) Do you have to wear seatbelts in your car? (f) Did they all have to come ? Questions have to have got to must EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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(g) We had to clean up the mess. have to have got to must Past form: had to EXPRESSING NECESSITY: HAVE TO, HAVE GOT TO, MUST

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YES NO ? CORRECT Do I must wash all the dishes?

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YES NO ? CORRECT Do I have to wash all the dishes?

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YES NO ? CORRECT Do I have got to wash all the dishes?

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(b) Alesha is on vacation. She doesn’t have to go to work today. not necessary EXPRESSING LACK OF NECESSITY: DO NOT HAVE TO EXPRESSING PROHIBITION: MUST NOT

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27 (e) You don’t have to come to my party if you don’t have time. don’t have to = you have a choice

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We cleaned the house this morning. We _________________________ now. don’t have to clean the house

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I cooked dinner this morning. I ______________________ tonight. don’t have to cook dinner