1) should和ought to表示責(zé)任、建議或勸告，翻譯為"應(yīng)該"，后者語氣強(qiáng)一些。
【例如】
You should listen to the doctor's advice if you want to recover soon.
Such things ought not to be allowed.
2) should接動詞的完成式，是一種譴責(zé)，表示過去應(yīng)該做而沒有做或過去做了而不應(yīng)該做。
【例如】
I missed the class. I should have come earlier.
I shouldn't have made such a foolish mistake.
【例如】
You should listen to the doctor's advice if you want to recover soon.
Such things ought not to be allowed.
2) should接動詞的完成式，是一種譴責(zé)，表示過去應(yīng)該做而沒有做或過去做了而不應(yīng)該做。
【例如】
I missed the class. I should have come earlier.
I shouldn't have made such a foolish mistake.