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ought to與should的用法區(qū)別

1. ought to 和 should 都表示義務(wù)，意思為：應(yīng)該，本該。但 ought to 強(qiáng)調(diào)道義、法律所規(guī)定的職責(zé)；而 should 一般是表示說(shuō)話者的一種主觀看法。如：

We ought to respect our teachers and parents. 我們應(yīng)該尊敬老師和父母親。

We should work hard. 我們應(yīng)該努力工作。

2. ought to 和 should 接動(dòng)詞的完成時(shí)，表示該做的事而未做，常含有對(duì)對(duì)方的責(zé)備。如：

You ought to / should have finished your work yesterday. 你本應(yīng)該在昨天就把工作完成了。

I should have visited you if I had known your address. 要是我知道你的地址，我早該來(lái)拜訪你了。