Should

Must Have to

Used to give advice. It indicates that something is good and therefore should be done. It is a recommendation, not an obligation.

Se utiliza para dar consejos. Se indica que algo es bueno y por lo tanto se debería hacer. Es una recomendación, no una obligación.

Should

Should

Shouldn´t

Se utiliza en pasado, presente y futuro

Should + sujeto...?

Must / Have to…Expressing an obligation to do something.

Expresan una obligación, algo que hay que hacer.

Must / Have to…"Must" se utiliza con el tiempo presente y futuro

"Have to" con pasado, presente y futuro

Pasado Had to

Presente Have to Must

Futuro Will have to Must

Must + sujeto + verbo principal ?

Do + sujeto + have to + verbo principal ?

"Mustn't": no se debe hacer algo

"Don't have to": no es necesario hacer algo

1.- You ________ visit Paris. What a beautiful city!

2.- You ________ come with us to the cinema; the film we are going to see is marvellous

3.- Jane, you ________ rest; you look very tired

4.- I ________ go to the bank to get some money

5.- I ________ leave immediately; it is very late and tomorrow I have to get up early

should

should

should

have to

have to

6. If I want to buy a new house I ________ get a mortgage

7.- If you want to watch TV, first you ________ finish your homework

8.- You will have exams in two weeks. You ________ study harder (obligation)

9.- You ________ leave this place immediately

10.- The doctor is very worried about my dad and has told him that he ________ work less

have to

must

must

must

has to