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首页 > 教案下载 > 英语教案 > 高中英语教案 > 高三英语教案 > 2019年高考英语二轮专题复习6情态动词和虚拟语气

2019年高考英语二轮专题复习6情态动词和虚拟语气

发布时间:2019-11-12

i cannot help admiring the picture whenever i look at it.每当我看到这幅画时,我都禁不住要鉴赏它。
when a close friend dies,you cannot but feel sad.
亲密的朋友去世时,你会不由得感到悲伤。
6.表示祝愿、祝福的may,此时句子用倒装语序
  may he live to an old age!愿他长命百岁!
may god be with you!愿上帝保佑你!
7.shall/should
 用于人称 意义
shall 第一、三人称 征求对方的意见
 第二、三人称 说话人给对方的警告、命令、允诺、威胁
 用于法律、法规等条文中 应……,须……,得……
what shall we do this evening?
注意:may用于征求对方的许可,而shall用于征求对方的意见或指示:
may i have a look?我能看一看吗?
shall i have a look?需要我看一看吗?
you shall fail if you don’t work harder. (警告)
he shall have the book when i finish reading. (允诺)
he shall be punished.(威胁)
the fine shall be given in cash.罚款须以现金缴纳。
should  意义
 ①(表义务、责任的)应该
 ②(表预期的)应该会,想必会,一定……会把
 ③(表惊讶、遗憾的)竟然、居然
 ④(与疑问词连用,表意外、惊讶、纳闷等的)究竟是,到底
 ⑤(用于表示命令、建议、请求等词后面的that从句中,且should可以省略)应该,必须
①you should apologize to him.
②the photos should be ready by 12:00.
③i’m surprised that you should speak in such a way.
④who should ccome in but my old friend betty.我当究竟是谁进来了呢,原来是我的老朋友贝蒂呀。
⑤i suggested that he (should)change his mind.
my suggestion was that he (should)change his mind.
注意:ought to表示 “应该” (与should同义, 只是语气稍重一些), 也可表示推测。
you ought to take care of him.      
he ought to be home by now.
8.will/would
①请求、建议,would比will委婉客气
    would you pass me the book?
②表示意志、愿望和决心
    i will never do that again.
    they asked us if we would do that again
③可表示过去反复发生的动作或某种倾向
    during the vacation he would visit me every week
    the wound would not heal.
④表示估计或猜想
    it would be about ten when he left home.
    what would she be doing there?
9.dare和need
①need作为情态动词只有一种形式,只用于否定句和疑问句。
②dare作为情态动词用时有两中形式:dare和dared两个词形。
    除了可以用于否定句和疑问句外,还可以用于条件从句或表示怀疑的句子中。
    if he dare come,i will kick him out.
    i don’t know whether he dare say.
note:he doesn’t dare(to)answer the question.
    does she dare(to)enter the dark room?
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