Would, Should, Must and Could

     Would = Passado Pretérito (ria); Passado de will.  

Examples: I will sleep early. (Future Tense)

If I didn’t watch TV, I would sleep early. (Past tense)

I would help you, if I had time.

Affirmative Form: Pronoun + Would + verb in the base form + complement.

Negative Form: Pronoun + Would not (wouldn’t) + verb in the base form + complement.

Interrogative form: Would + Pronoun + verb in the base form + complement?

 

      Should= para dar um conselho; deveria.

Examples: I should take car!

She shouldn’t work!

What should I do?

Affirmative Form: Pronoun + Should +verb in the base form + complement.

Negative Form: Pronoun + Should not (shouldn’t) + verb in the base form + complement.

Interrogative form: Should + Pronoun + verb in the base form  + complement?

Must = deve; uma ordem.

Examples: They must do their homework.

You must speak English.

You mustn’t forget it.

Affirmative Form: Pronoun + Must + verb in the base form + complement.

Negative Form: Pronoun + Must not (mustn’t) + verbt + complement.

Interrogative form: Must + Pronoun + verb in the base form  + complement?

Could = Poderia; Passado do verbo Can (poder); Usado para demostrar que alguém tinha habilidade para fazer algo; uma possibilade de fazer algo. ordem.

Examples: You could wait me!

You couldn’t stay  there!

Could she sleep here?

Affirmative Form: Pronoun + Could + verb in the base form  + complement.

Negative Form: Pronoun + Could not (couldn’t) + verb in the base form  + complement.

Interrogative form: Could + Pronoun + verb in the base form + complement?

           Ex:  Would you like some cup of water?
           What would you like?
            I would like an orange juice, please.
            I should study English.
            I shouldn’t play in my English class.
           You must study.
           They must not send garbage in the streets.

1ª) Complete using would, should, could or must:

a)      I said that I __________________________ go.

b)      __________________________ you like to go the movie?

c)      You __________________________ come and see me.

d)      __________________________ you close the door?

e)      I __________________________ not be late.

f)        It __________________________ be about 6 o’clock.

g)      You __________________________ not do that.

h)      __________________________ you close the door, please?

i)        You __________________________ see Tom Cruise’s new film. It’s fantastic.

j)        I __________________________ go downtown to buy some pullovers.

k)      It’s 8 o’clock. He __________________________ be in the office now.

l)        You __________________________not sleep in this room.

m)     __________________________ you like a biscuit?

n)      You __________________________ write to your grandparents.

Thank you! Doubts send me a comment. Christian Nunes.