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: 精品久久久视频 | 国内精品九一在线播放 | 男人透女人超爽视频免费 | 久久.com| 97免费在线 | 日韩毛片免费视频一级特黄 | 欧美黑寡妇特a级做爰 | 亚洲精品视频在线看 | 欧美日本韩国一区二区 | 最近手机中文在线视频 | 贵州美女一级纯黄大片 | 欧美一级特黄特色大片免费 | 91亚洲国产成人久久精品网站 | 不卡一级毛片免费高清 | 成人a免费α片在线视频网站 | 久久免费精品 | 亚洲国产精品久久卡一 | www.色片| 色爽爽爽爽爽爽爽爽 | 9cao视频精品 | 日本一区二区免费在线观看 | 在线观看人成网站深夜免费 | 99精品国产兔费观看久久99 | 在线日韩国产 | 久久精品国产午夜伦班片 | 毛片免费观看视频 | 亚洲社区在线 | 久久精品国产亚洲综合色 | 国产欧美成人xxx视频 | 在线视频日韩 | 波多野结衣在线观看一区二区 | 在线播放波多野结衣 | 成人合成mv福利视频网站 | 欧美一级α片毛片免费观看 | 亚洲一区亚洲二区 | 国产视频在线免费观看 | 亚洲系列| 精品国产一区二区三区在线 | 亚洲黄色三级网站 | 免费观看成人久久网免费观看 | 日韩精品在线一区 |