معمولا از should زمانی استفاده میکنیم که انجام دادن چیزی خوب است یا بهترین عمل برای انجام است. ( The right thing to do) به مثال زیر توجه کنید: Tom has just come back from movies. Ann: hello, Tom. Did you enjoy the movie? Tom: Yes, it was great. You should go and see it. Tom is advising Ann to go and see the movie. “You should go “means that it would be a good thing to do تام به آن پیشنهاد میکند که آن فیلم را ببیند. The government should do something about the economy. “Should we invite Sue to the party?” “Yes, I think we should.” “You shouldn’t do “means that it is not a good thing to do. You’ve been coughing a lot lately. You shouldn’t smoke too much. Tom really shouldn’t go out. He has a lot of homework to do. Should is not as strong as must: You should stop smoking. (=It would be a good idea.) You must stop smoking. (=It is necessary that you stop.
