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MODAL VERBS Must, have to, can, could, be able to

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MODAL VERBSMust, have to, can, could, be able to

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MUST

• Affirmative form: SOGG. + MUST + INFINITIVE VERB

Ex: We must go to the bank!

• Negative form: SOGG. + MUST NOT(MUSTN’T) + INFINITIVE VERB

Ex: You musn’t touch that vase

• Interrogative form: MUST + SOGG. + INFINITINE VERB

Ex: Must I really go?

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WHEN DO WE USE MUST?

• to express an obligation to do something, if the order is expressed by the speaker, and in the case of written instructions

Ex: The students must have a pair of indoor shoes• to express a strong recommendationEx: He must read this book!• to express a logical assumption, often it is replaced by SHOULDEx: Tomorrow should it rain.• in the negative form has the meaning of prohibitionEx: You mustn’t smoke here!

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SONG!!!!!!• https://m.youtube.com/watch?v=t99KH0TR-J4

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HAVE TO• Affirmative form: SOGG. + HAVE TO + INFINITIVE VERB

Ex: I start work early, so I have to get up at 6 o’clock.

• Negative form: SOGG. + DON’T HAVE TO + INFINITIVE VERB

Ex: Tomorrow it’s a holiday, I don’t have to get up early

• Interrogative form: DO + SOGG. + HAVE TO + INFINITIVE VERB

Ex: What time do you have to be at school?

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HAD TO• Affirmative form: SOGG. + HAD TO + INFINITIVE VERB

Ex: There weren’t any buses. We had to walk home last night.

• Negative form: SOGG. + DIDN’T HAVE TO + INFINITIVE VERBS

Ex: We didn’t have to wait very long for the taxi

• Interrogative form: DID + SOGG. + HAVE TO + INFINITIVE VERB

Ex: Why did they have to leave the party so early?

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WHEN DO WE USE HAVE TO?

• It is used to talk about an action that is necessary because of laws or regulations, or because someone forces us to do it

Ex: Policemen have to work on Sundays • It is used to express a requirement that depends on external circumstances

and not by the speakerEx: I have a bad cough, I have to stop smoking• In the negative form it means when there isn't an obligationEx: You don't have to pay for this!

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SONGS!!!!!!• https://m.youtube.com/watch?v=INe4CpgPECQ• https://m.youtube.com/watch?v=tbU3zdAgiX8• https://m.youtube.com/watch?v=8fEoWA9Vz3A

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KAHOOT:• https://create.kahoot.it/#user/f41b0fd0-c08e-4c27-8e7c-edc35c58ea17/k

ahoots/created

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CAN• Affermatve form: SOGG. + CAN + INFINITIVE VERBEx: I can swimm• Negative form: SOGG. + CANNOT CAN’T + INFINITE

VERB Ex: You can’t ski very well• Interrogative form: CAN + SOGG. + INFINITIVE VERBEx: Can you help me?

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WHEN DO WE USE CAN?• The modal verb CAN mean power and it is used to:

- express an ability or skill, claim that something or someone is capable of doing something and/or knows how to do it.

EX: I can play the guitar but I can't play the piano.

- express, ask or give permission.

EX: Can I have a beer while I'm six months pregnant?

- express possibility or impossibility.

EX: Anyone can become President.

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SONG!!!!!• https://www.youtube.com/watch?v=8zuvZDQjImA• https://www.youtube.com/watch?v=xeugznpGKPA

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COULD• Affermative form: SOGG + COULD + INFINITIVE VERBEx: They could play tennis quite well • Negative form: SOGG + COULDN’T + INFINITIVE VERBEx: I couldn’t help it• Iterrogative form:  COULD + SOGG + INFINITIVE VERBEx:   Could you lend me your car, please?

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WHEN DO WE USE COULD?• It could be considered as the past it can, but also is used to express in a more

formal permission, so it is also to be regarded as the conditional can: - could we use to express the possibility of both the past and the present and

the future. EX: John Could be the one who stole the money. (John potrebbe essere quello

che ha rubato i soldi). John could have been the one who stole the money. (John potrebbe essere stato

quello che ha rubato i soldi). John could go to jail for stealing the money. (John potrebbe andare in prigione

per aver rubato i soldi)

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• It could be used as a conditional can. EX: Things could change. Could I use your computer? I could swim much faster if I didn't smoke.

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SONG!!!• https://www.youtube.com/watch?v=kvg5yq5pnzo

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BE ABLE TO• The expression 'be able to' is not part of modal verbs. It is in fact

the union between 'be' verb and the adjective 'able' (in grado) followed by a verb in its infinitive form. Very often in the English language it is used the expression 'be able to' instead of using the modal verbs can and could.

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WHEN DO WE USE BE ABLE TO?• Normally you use the "be able to" expression to talk about to a

capacity.

• Affermative form: SOGG + BE ABLE TO + INFINITIVE VERBEx: I am able to swim• Negative form: SOGG + AREN’T/ISN’T ABLE TO + INFINITIVE VERBEx: She isn’t able to drive• Interrogative form: ARE/IS + SOGG + ABLE TO + INFINITIVE VERBEx: Are you able to do that by tomorrow?

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SONG!!!!• https://www.youtube.com/watch?v=vxdyr2TrGF0

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EXERCISE:• Insert can, can't, could and couldn't and combine the verb in the most

appropriate way.• 1)_________ the guitar? (play) • 2) I'm sorry. You ________photos. (take) • 3) _________ me some wine? (pour) • 4) She________at home! I saw her just few minutes ago! (Be)• 5) I ________ very well! (Swim)• 6) ________ Jessica ____ in? (Go)

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1) When Bob was 10, he was a fast runner. He ________ run 100 metres in 11 seconds.

2) Afraid I _______ come to your birthday party next Sunday.3) I'm not in a hurry. I've got a lot of time. I ______ wait.4) I was feeling sick yesterday. I _______ eat anything.5) CNA you speak loudly, please? I ______ here you.6) You look tired. Yes, I _______ sleep last night.

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THE ENDLavoro di: Anna Chiara Bellizzi, Riccardo Lualdi, Jacopo Menini e Elisa Proverbio