高中英语2025届高考语法复习情态动词的用法知识讲解

高中英语2025届高考语法复习情态动词的用法知识讲解

高中英语2025届高考语法复习情态动词的用法知识讲解，以下展示关于高中英语2025届高考语法复习情态动词的用法知识讲解的相关内容节选，更多内容请多关注我们网站

1、高考英语语法复习情态动词的用法一、英语中常见情态动词can, could, may, might, must, have to, ought to, will, would, shall, should, need, dare, used to, had better,would rather.二、情态动词的特征: A情态动词有实义但不可作谓语，后接原形动词 B.情态动词有过去式但无第三人称单数形式C.情态动词否定后加not,变问句放在句首 D.不允许两个意义相近的情态动词连用【误】Soldiers must have to obey orders. 【正】Soldiers have to o

2、bey orders. 【正】Soldiers must obey orders.【误】Can I be able to borrow two books at a time【正】Can I borrow two books at a time 【正】Will I be able to borrow two books at a time三、 情态动词的意义和用法A. can和could1.能，会，表示能力Emily can dance well and her mother could dance well when she was young.The cinema can seat 1,0

3、00 people.这电影院能容纳1，000人。I could not read such an easy book when I was 7 years old.我七岁时连如此简单的书我也看不懂。2.可以，表示允许、许可，常用在口语中。could比can语气上要客气。- Could I use your dictionary ？-Yes, go ahead.可以，用吧。（或Yes, you can.但不能说Yes, you could.）Could Can you tell me how to get to the zoo 劳驾，你能告诉我怎么去动物园吗？He asked me whethe

4、r he could take the book out of the reading room.他问我可不可以把书带出阅览室。3.可能， 表示推测，常见于疑问句或否定句。can和could没有时态的区别，只表示 can 推测的可能性比could大。Can he be ill at home？ Can the story be true ？ He cannot be at home. You mustnt smoke while you are walking around in the woods. You could start a fire.4.表示惊异、怀疑、不相信等态度，主要用于否定

5、句和疑问句中。How can you be so careless 你怎么这么粗心？ Where can could they have gone 他们会去了哪里？He cant/ couldnt be over sixty. 他不可能超过60岁。5.could可以表示虚拟If you had followed my advice, you could have finished it.If you had tried harder, you could have passed your exam.Can 、 could与be able to的区别can表示本能，be able to表示过去经

6、过一番努力才能完成的事情。【正】Can you speak any foreign languages你会说外语吗？【正】Are you able to speak any foreign languages 你会说外语吗？【误】The fire spread the building quickly but everybody could escape.【正】The fire spread the building quickly but everybody was able to escape.【正】The fire spread the building quickly but everybody managed to escape.be able to比can有更多形式。No one could answer the question.