Forms of should:
should + verb
You should do more exercise.
should not + verb
You should not watch so much TV.
should I phone them again?
We use should for the present and the future:
You should speak to him now.
We use should to say that we believe that we believe that something is a good idea or the right thing to do , and should not to say that we believe that something is a bad idea or the wrong thing to do :
we should not keep walking .we should find a place to eat now.
We use should and should not to give or ask for advice.
You should go home – you are ill.
You should not spend so much money.
What should i wear for the party?
We often use I think, I do not think , and Do you think? with should to give or ask for advice and to give opinions:
I think we should look for a better hotel.
I do not think we should stay at this hotel.
Do you think we should stay at this hotel.
Do you think we should look for another hotel?
We use should to talk about things that we expect to be true now but in fact are not true:
The bus should be here now.