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Hello Alonso, how are you? I hope you are doing very well and we are here today because we are going to study two different words, ok?

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We are going to study a new grammar point, un punto de gramática muy importante, but it's very easy, ok?

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We are going to study two words, as I say, and they are called must and mustn't, must and mustn't.

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And they are used to express obligation, para hablar de obligaciones, ¿ok?

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Things that you must do, cosas que debes hacer, and things that you mustn't do, que no debes hacer, ¿ok?

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This is obligación.

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So, let's start with affirmative, things that you must do.

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In this case we are going to use the word MUST, DEBER.

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Yo debo, tú debes, él debe, nosotros debemos, I must, you must, he must.

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And we can focus these words on the school atmosphere.

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Lo vamos a centrar en el ambiente de la escuela.

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For example, for the rules in the class, for the rules in the playground, las reglas, ¿vale?

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Cosas que debemos hacer en el cole

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Y cosas que no debemos hacer en el cole

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For example

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Cosas que debemos hacer

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Things that we must do

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In class or in the school

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In general, in the playground, in the gym

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So I'm going to give you one example

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For example

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I must

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This word

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I must

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Yo debo

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I must

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Listen to the teacher

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Let's erase

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I must listen to the teacher

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What is the meaning of this sentence in Spanish?

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Let's think, Alonso

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Yo, hemos dicho que era deber

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Yo debo escuchar al profesor

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I must listen to the teacher

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Debo escuchar al profesor o a la profesora

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Es obligatorio

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Ok

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Another example

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Another subject

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Nosotros

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We

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¿Qué palabra?

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Which word do we need to use?

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Para hablar de obligación

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Para hablar de cosas que debemos hacer

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¿Qué palabra hemos dicho que había que usar?

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Must

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Very good

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Must

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We

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We must respect, for example, respect our classmates.

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Nosotros debemos, we must, nosotros debemos respetar a nuestros compañeros.

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Los debemos respetar, es una obligación.

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We must respect our classmates.

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ok

56
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and another

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example

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we

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must

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we must

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arrive

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on time

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what's the meaning of this

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sentence? we must

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arrive on time

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let's think, and I give you a clock

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here

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I have drawn

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a clock

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Nosotros debemos llegar a tiempo, llegar puntuales

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Debemos, es una obligación llegar a las nueve, a nine o'clock o antes

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Ok, good

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So now we have studied the things that we must do, lo que debemos hacer

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And now we are going to move to the things that we mustn't do

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Las cosas que no debemos hacer

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Let's focus again on the school

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Nos vamos a centrar en el cole, en la escuela

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So let's see

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Let's think

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Things that we mustn't do

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Cosas que no debemos hacer en el cole

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I'll give you an example

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Let's see Alonso

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Let's start with the word Alonso

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With your name

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Alonso

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It's negative

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It's things that you

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Que no debes hacer

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So, the word you need to use is mustn't.

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Alonso mustn't, no debe, Alonso no debe, run in class.

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Alonso no debe, this is the important word, Alonso no debe correr en clase.

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Alonso ni nadie.

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We mustn't run in class

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No debemos correr en clase

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Ok

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Another example

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I

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The important word is

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Mustn't

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I mustn't

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No debo

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I mustn't

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Chew

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This is difficult

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Chew gum

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in class

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chew gum is

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es mascar chicle

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comer chicle

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entonces

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the sentence in Spanish

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means

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yo no debo

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comer chicle en clase

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es una obligación, es algo que no

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debo hacer

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ok, and finally

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another example

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we

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The important word is

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Mustn't

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We

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Mustn't

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Oh, so for example

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If here we said

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We must arrive on time

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Debemos llegar puntuales

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Vamos a poner lo contrario

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The opposite

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We mustn't

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No debemos

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We mustn't arrive

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How do you say?

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Tarde

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No debemos llegar tarde

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How do you say tarde?

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Do you remember, Alonso?

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It would be

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We mustn't arrive late

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Tarde

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No debemos llegar tarde

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And that's it, Alonso

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If you have any question

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Please write an email

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And I will answer as soon as possible

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Have a good week

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And weekend

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Bye bye