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> 英语语法 > 英语语法大全 > 情态动词 >  列表

情态动词教程汇总和更新

2007-12-0121.14 比较need和dare

  这两词既可做实义动词用,又可做情态动词用。作为情态动词,两者都只能用于疑问句,否定句和条件句。 need 作实义动词时后面的不定式必须带to,而dare作实义动词用时,... [查看全文]

2007-12-0121.13 带to 的情态动词

  带to 的情态动词有四个:ought to, have to, used to, be to, 如加上have got to ,(=must), be able to,为六个。它们的疑问,否定形式应予以注意:  Do... [查看全文]

2007-12-0121.12 情态动词的回答方式

   问句   肯定回答    否定回答 Need you…?  Yes, I must.   No,I needn't Must you…?           /don't have to. 典型例题 1)---C... [查看全文]

2007-12-0121.11 will和would

 注意:  1)would like; Would like to do = want to 想要,为固定搭配。   Would you like to go with me? 2)Will you…? Would you like…? ... [查看全文]

2007-12-0121.10 would rather表示宁愿

 would rather do would rather not do would rather… than…  宁愿……而不愿。 还有would sooner, had rather, had sooner都表示"宁愿"、"宁可"的意思。... [查看全文]

2007-12-0121.9 had better表示比较好

  had better 相当于一个助动词,它只有一种形式,它后面要跟动词原形。  had better do sth   had better not do sth  It is pretty cold. You'd bet... [查看全文]

2007-12-0121.8 should 和ought to

  should 和ought to 都为"应该"的意思,可用于各种人称。  ---Ought he to go?  ---Yes. I think he ought to.  表示要求,命令时,语气由 should(应该)、had better最好)、must(必须)渐强。 [查看全文]

2007-12-0121.7 情态动词+ have +过去分词

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 seriou... [查看全文]

2007-12-0121.6 表示推测的用法

 can, could, may, might, must 皆可表示推测,其用法如下: 1)情态动词+动词原形。  表示对现在或将来的情况的推测,此时动词通常为系动词。  I don't know w... [查看全文]

2007-12-0121.5 must表示推测

 1) must用在肯定句中表示较有把握的推测,意为"一定"。 2) must表对现在的状态或现在正发生的事情的推测时, must 后面通常接系动词be 的原形或行为动词的进行式。 ... [查看全文]