英语中情态动词的用法归纳总结

1) may(might) have + done sth,can (could) have + done sth 表示过去,推测过去时间里可能发生的事情.
Philip may (might) have been hurt seriously in the car accident.
Philip can (could) have been hurt seriously in the car accident.
2) must have +done sth,对过去时间里可能发生的事情的推测,语气较强,具有"肯定","谅必"的意思.
---Linda has gone to work,but her bicycle is still here.
---She must have gone by bus.
3) ought to have done sth,should have done sth
本应该做某事,而事实上并没有做.否定句表示"不该做某事而做了".
You ought to (should) have been more careful in this experiment.
He ought not to have thrown the old clothes away.（事实上已扔了.）
ought to 在语气上比should 要强.
4) needn't have done sth 本没必要做某事
I dressed very warmly for the trip,but I needn't have done so.The weather was hot.
5) would like to have done sth 本打算做某事
I would like to have read the article,but I was very busy then.

情态动词后面加动词原形，例如
must do sth.
mustn't do sth.
may do sth.
may not do sth.
should do sth.
shouldn't do sth
......

归纳总结:情态动词用法ABC
情态动词表示说话人对某一动作或状态的态度,或表示主观设想。情态动词有自己的词义,但不能单独作谓语动词,必须和后面的动词连用构成谓语,没有人称和数的变化。常用的有can, may, must, need等。情态动词是中考测试的重点,准确把握情态动词在具体语境中所表达的意义至关重要。
一、can的用法
1.表示能力,有"能"、"会"、"能够"的意...