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Hello! So today you know that we are starting with the new unit and the grammar that we study

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in this unit are module verbs. I'm sure that you have heard about module verbs before but we will

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see them again so that we know how to use them properly. The first thing that we need to

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ask ourselves when we learn about module verbs is why module verbs are studied in

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a different unit. Why verbs like study, eat and sleep are not studied with module

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verbs. What are module verbs? Why are they special? And what is special about them?

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The first thing that's special about module verbs is that they are not

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negated in the same way that other verbs are negated for example when you say I

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play football how do you negate that you say I don't play that's not a module

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verb but if you want to negate the verb can I can listen to music how do you say

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the negative for that do you say I don't can't listen no the first difference

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between modal verbs and other verbs is that when we want to negate, to say that we don't

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do something with a modal verb, we say not at the end of the verb.

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So can for example goes to can't, should goes to shouldn't and must goes to mustn't, that's

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the first difference.

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The second difference is that you know the way we learn that with new verb tenses we

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to use ing or ed or an s for the third person singular this doesn't happen with the module verbs

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module verbs are always the same um it doesn't depend on what person you use on if it's past

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present no can will always be can we won't use any ing at the end of the verb we will not use any ed

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for the past we will not use any s at the end of the verb okay and then the third important thing

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is that when we use a modal verb we always accompany that modal verb with another verb

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it's as in Spanish you say yo debo and you need an extra verb yo debo estudiar yo puedo

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tocar la guitarra you need an extra verb it's the same in english i can okay you can what

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i can study i must uh brush my teeth okay different things so modal verbs always with

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another verb and that second verb must be in infinitive no s's no e t's no i and g's okay

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modal modal verb plus an extra verb okay so the three modal verbs that we start in this unit are

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can that is used for possibility for ability and for permission

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it's not the same saying that i can play the guitar that would be ability okay i can play

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the guitar that is ability possibility i can play video games with my new

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computer that would be possibility and then permission can i play the guitar in the library

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no you can't okay your ability is that you can play the guitar but you have no permission to

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play the guitar inside the library so we can say that can is poder in spanish the second one

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that we study is must must means deber in spanish so it's used for obligation okay obligation

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And the third one that we studied is should. And should is what in Spanish we would say deberías.

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So why do we use deberías for? What do we use should for? For recommendation or advice.

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you know that advice in spanish means consejo okay so in the unit we've got a short

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explanation of this that i have just told you okay must can should we often use modals to

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talk about rules we use must to talk about obligation mustn't to talk about prohibition

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and can to talk about possibility and should to give advice you must work trainers that's your

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obligation to the PE class you must wear trainers players mustn't throw the ball

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no deben you can play tennis tomorrow that's a possibility we can go swimming

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now you should deberías do gymnastics and we shouldn't no deberías no deberíamos

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eat before swimming okay here we've got a grammar animation that we can watch

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meet on tuesday we can't meet on monday the dog is dirty we should wash it okay so that's a lesson

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if you've got questions write them down and we can talk about them tomorrow in our class okay thank you