国产一二三四五路线-国产一级高清-国产一级毛片卡-国产一级毛片一区二区三区-中文字幕在线视频播放-中文字幕在线高清

您好!歡迎訪問忙推網(wǎng)! 字典 詞典 詩(shī)詞
首頁 教育 高考沖刺語法梳理十:情態(tài)動(dòng)詞與助動(dòng)詞

高考沖刺語法梳理十:情態(tài)動(dòng)詞與助動(dòng)詞

時(shí)間:2024-07-16 22:29:51 來源:網(wǎng)絡(luò) 作者:mrcsb 人氣:3468
【導(dǎo)讀】:(十)情態(tài)動(dòng)詞與助動(dòng)詞I.要點(diǎn)助動(dòng)詞本身無意義,在句中幫助主要?jiǎng)釉~構(gòu)成一定的時(shí)態(tài),語態(tài)、語氣,或是幫助構(gòu)成否定句和疑問句,常用的助動(dòng)詞有be, do, have, shall(should), will(would...

(十)情態(tài)動(dòng)詞與助動(dòng)詞

I要點(diǎn)

助動(dòng)詞本身無意義,在句中幫助主要?jiǎng)釉~構(gòu)成一定的時(shí)態(tài),語態(tài)、語氣,或是幫助構(gòu)成否定句和疑問句,常用的助動(dòng)詞有be, do, have, shall(should), will(would).

情態(tài)動(dòng)詞表一定的詞義,本身并不表示動(dòng)作或狀態(tài),而僅僅表達(dá)說話人的態(tài)度,它在句中須和主要?jiǎng)釉~一起構(gòu)成謂語,主要的情態(tài)動(dòng)詞有can(could), may (might), must, have to, ought to, need, dare, shall, should, will, would.

1、can 能,可以,表說話人同意,許可還可表客觀條件許可,如:You can go now.

提建議或請(qǐng)求時(shí)可用can I, can you表客氣,如Can I buy you a drink?

can和be able to表能力時(shí)的區(qū)別。

can表一般具有的能力,be able to表在特定條件下的能力,如:Although the driver was badly hurt, he was able to explain what had happened.

2、may

(1)、可以,表說話人同意,許可或請(qǐng)求對(duì)方許可。You may go.

(2)、(現(xiàn)在和將來)可能,也許,只用于肯定句和否定句中,如He may not be right.

3、must, have to

must表主觀上的必須,have to表客觀上的必須,如:It's getting late. I have to go. -Must I go now. -Yes, you must.

(No, you needn't./ No, you don't have to.)

4、need, dare這二詞有實(shí)意動(dòng)詞和情態(tài)動(dòng)詞兩種詞性,如用作實(shí)意動(dòng)詞后接動(dòng)詞不定式to do,如用作情態(tài)動(dòng)詞后接動(dòng)詞原形。Need I go now? --Yes, you must./No, you needn't.)

5、shall用于第一人稱疑問句中表說話人征求對(duì)方的意見或向?qū)Ψ秸?qǐng)求,如,Shall we begin our lesson?

用于二、三人稱陳述句,表說話人命令、警告、允諾、威脅等口吻,如: You shall fail if you don't work harder.

6、should表應(yīng)該,意為有責(zé)任,有義務(wù)。如:We should try our best to make our country more beautiful.

7、will表有做某事的意志、意愿、安心、打算,如"Will you lend me your book?" "Yes, I will.",

8、should have done表應(yīng)該做而未做

must have done表對(duì)過去事實(shí)的肯定推測(cè)

could have done表本可以做某事

9、判斷句:肯定句用must, 否定句用can't, 不太肯定用may, might

He must be in the office now.

He must have gone to bed, for the light is out.

He can't be in the office. He is at home.

He couldn't have cleaned the classroom, because he didn't come here today.

He might be in the office, I am not sure.

He might have cleaned the room, I suppose.

II例題

例1,They _______ to walk in the street at night.

A. didn't dare B. not dared C. not dare D. dared not

解析,該題答案為A,此空需選一動(dòng)詞作謂語,因?yàn)楹竺媸莟o walk, didn't dare是行為動(dòng)詞dare過去時(shí)態(tài)的否定形式。

例2,When he was very old, Mr. Smith _______ sit for hours without saying a word.

A. would B. should C. must D. used

解析,該題答案為A, would此處表過去的傾向性,習(xí)慣性動(dòng)作,意為"總是"如: When we were children, we would go swimming every summer.

文章標(biāo)簽:
    英語高考沖刺,高考英語語法,語法學(xué)習(xí),情態(tài)動(dòng)詞講解
相關(guān)推薦

版權(quán)聲明:

1、本文系會(huì)員投稿或轉(zhuǎn)載自網(wǎng)絡(luò),版權(quán)歸原作者所有,旨在傳遞信息,不代表看本站的觀點(diǎn)和立場(chǎng);

2、本站僅提供信息展示,不承擔(dān)相關(guān)法律責(zé)任;

3、若侵犯您的版權(quán)或隱私,請(qǐng)聯(lián)系本站管理員刪除。

字典 詞典 成語 古詩(shī) 造句 英語
主站蜘蛛池模板: 久久精品成人免费看 | 国产一级在线现免费观看 | 亚洲欧美一区二区三区孕妇 | 极品美女户外勾搭无套 | 亚洲免费网址 | 亚洲日本高清影院毛片 | 日韩中文精品亚洲第三区 | 久久青青草视频 | 麻豆国产一区 | se94se欧美综合色 | 99视频在线播放 | 久久久久久综合一区中文字幕 | 精品欧美亚洲韩国日本久久 | 久久精品片 | 黄黄的网站在线观看 | 亚洲男人天堂网站 | 国产亚洲美女精品久久 | 一级免费看片 | 久草视频在线首页 | 国产美女午夜精品福利视频 | 国内黄色一级精品 | 国产精品18久久久久久小说 | 国产欧美亚洲精品 | 99久久精品免费看国产高清 | 免看一级a毛片一片成人不卡 | 久久精品免费全国观看国产 | 欧美在线成人午夜影视 | 97国产精品 | 人成精品视频三区二区一区 | 欧美一级毛片欧美大尺度一级毛片 | 国内黄色一级精品 | 怡红院视频在线 | 久久凹凸 | 国产精品成人久久久久久久 | 成人观看的视频三级 | 欧美一级高清毛片aaa | 国产精品麻豆一区二区三区v视界 | 国产一区二区三区四区波多野结衣 | 二区国产| 67194成人在线观看 | 一本久道久久综合中文字幕 |