提醒：點這里加小編微信（領取免費資料、獲取最新資訊、解決考教師一切疑問?。?/p>

句型4

It's high/about time that somebody did (should do) (should通常不省略) …到了該做某事的時候了

[例句]

It's time that you went to school.= It's time that you should go to school.

It's high time that we did something to improve our environment. 該是我們?yōu)榄h(huán)保做些事情了。

I think it's high time that she made up her mind. 我想她該拿定主意了。

句型5

情態(tài)動詞+動詞不定式完成結(jié)構(gòu)的用法

could have done "本來可以……"(表示過去沒有實現(xiàn)的可能)。

might have done "本來可能……;本來應該或可以做某事"(實際沒有發(fā)生;含有輕微的責備語氣。

should/ought to have done "本來該做某事"(而實際未做)

should not/ought not to have done "本來不該做"(實際卻做過了，含有責備語氣)

needn't have done "本來不必做"(但是已經(jīng)做過了)

would rather have done "當時寧愿做了某事"(實際沒有做過);否定式would rather not have done表達相反意思，兩者都有表示"后悔"之意。

提醒：點這里加小編微信（領取免費資料、獲取最新資訊、解決考教師一切疑問?。?/p>