1 should 作為shall的過去式,用于過去將來時中。
He asked me whether we should (可用would) leave soon. 他問我是否我們不久就將離開。
I said I should go to see her the next day. 我說我第2天將去看她。
2 should 用作情態(tài)動詞,意為“應該”,沒有人稱和數(shù)的變化,表示根據義務或職責應該干什么,或建議某人應該干什么。
You should be more careful. 你應該更小心些。
We should come earlier next time. 下次我們應該更早些來。
You should help each other in your study. 你們在學習上應該互相幫助。
I don't know who should speak first. 我不知道誰該第一個發(fā)言。
We should listen to the teacher carefully in class. 上課時,我們應該認真聽老師講課。