Ejercicios Should

Should
Se utiliza para dar consejos. Se indica que algo es bueno y por lo tanto se debería hacer. Es una recomendación, no una obligación. Tiene menos fuerza impositiva que "must" y que "have to".
If you feel bad you should go to the doctor
También se utiliza para dar una orden pero de forma muy educada.
Anyone who wants to enter the conference should show his credentials
(Se trata realmentede una obligación -es obligatorio mostrar las credenciales para entrar en la conferencia-, pero está expresada de forma poco coercitiva)
Construcción: este verbo modal va seguido del infinitivo del verbo principal sin la partícula "to".
Se utiliza en pasado, presente y futuro.
I should have finished my report yesterday (pasado)
You should help me, I can not do it alone (presente)
Tomorrowyou should call your parents (futuro)
El pasado se utiliza para indicar algo que se debería haber hecho y no se hizo.
La forma negativa es: shouldn't
You shouldn't smoke
Y la forma interrogativa: Should + sujeto...?
Should I wear a dark suit for the party?
Por otra parte, cuando se utiliza "must" / "have to" el emisor tiene la convicción de que la obligación va a ser cumplida, mientras quecuando se utiliza "should" no se sabe si el consejo se va a seguir o no.
We should buy a new car (es un deseo; no hay seguridad de que vayamos a hacerlo)
We must buy a new car (hay muchas probabilidades de que lo hagamos)

 
You ________ speak to your brother and try to solve that problem |
You ________ come with us to the cinema; the film we are going to see is marvellous |
You are veryfat. You ________ practice sport (consejo) |
Please, we are in the church; you ________ stop making that unpleasant noise (A father to his son)  |
If you want to watch TV, first you ________ finish your homework |
If I want to buy a new house I ________ get a mortgage (A mother to her daughter) |
You cannot go out with your friends. You ________ stay at home because you have fever |
Ininternal flights you ________ check in one hour before the departure |
I ________ go to the bank to get some money |
You ________ visit Paris. What a beautiful city! |
The doctor is very worried about my dad and has told him that he ________ work less |
I ________ fill the tank; it is almost empty |
Our teaches have told us that we ________ be quiet during the class (A father to his son) |You will have exams in two weeks. You ________ study harder(obligation) |
(The police officer to the protesters) You ________ leave this place immediately |
I ________ leave immediately; it is very late and tomorrow I have to get up early |
In the petrol station we ________ switch off the engine before filling the tank |
The weather is really nice. We ________ go for a walk |
You________ to go to the dentist; you have lost a filling(consejo muy enfático) |
You ________ go by plane; by car it is a very long journey |
You ________ read more; it is very good for your education |
Kevin, you ________ shave yourself; you look a little bit scruffy(A mother to her son) |
You ________ get up; it is very late (orden) |
Jane, you ________ rest; you look very tired |
Thepolice told us that we ________ get out of the car |
 

You should speak to your brother and try to solve that problem |
You should come with us to the cinema; the film we are going to see is marvellous |
You are very fat. You should practice sport |
Please, we are in the church; you must stop making that unpleasant noise  |
If you want to watch TV, first you must finish your homework |If I want to buy a new house I have to get a mortgage |
You cannot go out with your friends. You must stay at home because you have fever |
In internal flights you have to check in one hour before the departure |
I have to go to the bank to get some money |
You should visit Paris. What a beautiful city! |
The doctor is very worried about my dad and has told him that he has to work less...