题目内容：

should 的用法
I should be obliged if you would send them to me.
if he should come ,give him this letter
should ministers decide to instigate an inquiry,we would welcome it.
三句中should的用法?

优质解答

四种:1.应该：用来表示义务或职责：You should send her a note.你应该给她留一个条2.用于表示可能性或期望：They should arrive at noon.她应该在中午到达3.用于表示可能性或可能发生的事件：If she should fall, t...