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      1. 高考英語(yǔ)二輪復(fù)習(xí)情態(tài)動(dòng)詞精講精練

        2017-05-05 11:07:56 來(lái)源:精品學(xué)習(xí)網(wǎng)

          情態(tài)動(dòng)詞本身有一定的詞義,但是不能獨(dú)立作謂語(yǔ),只能和行為動(dòng)詞一起構(gòu)成謂語(yǔ)。以下是情態(tài)動(dòng)詞精講精練,請(qǐng)考生仔細(xì)掌握。

          A. shall B. will C. would D. can 【陷阱】幾個(gè)干擾項(xiàng)均有可能誤選。 【分析】最佳答案選A.shall 用作情態(tài)動(dòng)詞主要有以下兩個(gè)用法: (1) 用于疑問(wèn)句中征求意見(jiàn)。如: Shall I help you? 要不要我?guī)蛶湍? Shall I open the window? 要我把窗子打開嗎? (2) 用于陳述句中表示允諾、告誡、警告、威脅、命令、規(guī)定、必然性等(可用于各類人稱)。如: You shall suffer for this. 你會(huì)為此事吃苦頭的。(表威脅) Each competitor shall wear a number. 每個(gè)參賽者要戴一個(gè)號(hào)碼。(表規(guī)定) You shall hear everything as soon as you come. 你一來(lái)就可聽(tīng)到所有情況了。(表允諾) 請(qǐng)做以下試題(答案均選 shall): (1) “I promise that she _____ get a nice present on her birthday.” “Will it be a great surprise to her?” A. should B. must C. would D. shall 2. You _______ pay too much attention to your reading skill, as it is so important. A. cannot B. shouldn’t C. mustn’t D. needn’t 【陷阱】幾個(gè)干擾項(xiàng)均有可能誤選。 【分析】最佳答案選A.cannot…too…是英語(yǔ)中一個(gè)十分有用的表達(dá),意為“不可能太……,無(wú)論怎樣……也不算過(guò)分,越……越……”。如: You can’t be too careful. 你越仔細(xì)越好。 You can’t praise the too much. 這本書值得大加贊揚(yáng)。 We cannot work too much for the people. 我們?yōu)槿嗣褡龉ぷ魇遣豢赡茏鲞^(guò)頭的。 A woman cannot have too many clothes. 女人買的衣服再多也不算多。 注:有時(shí)也可用 can never, impossible 等與too連用來(lái)表示類似意思。如: It is impossible to get there too soon. 去那兒越早越好。 3. “Is John coming by train?” “He should, but he _____ not. He likes driving his car.” A. must B. can C. need D. may 4. “I heard they went skiing in the mountains last winter.” “It ____ true because there was little snow there.” A. may not be B. won’t be C. couldn’t be D. mustn’t be 【陷阱】幾個(gè)干擾項(xiàng)均有可能誤選。 【分析】此題最佳答案為C,主要由下文的 because there was little snow there 這一語(yǔ)境所決定,既然“沒(méi)下什么雪”,那么“滑雪”就應(yīng)是“不可能”,所以選 couldn’t be,即選C. 5. “Do you think he is lazy?” “I _____ so once, but I don’t now.” A. may have thought B. can have thought C. may think D. might think 答案選A.從答話人的語(yǔ)境可知,空格處的意思“曾經(jīng)這樣想過(guò)”,即對(duì)過(guò)去情況作推測(cè),故應(yīng)用“情態(tài)動(dòng)詞+動(dòng)詞完成式”;又因?yàn)?can 表推測(cè)不用于肯定句,故選A.請(qǐng)看類例: Their answers are exactly the same — one of them ______ from the other. A. must copy B. must have copied C. should copy D. should have copied 答案選B,既然兩人的答案完全一樣,說(shuō)明“抄襲”已經(jīng)發(fā)生,故用“情態(tài)動(dòng)詞+動(dòng)詞完成式”,根據(jù)句意,應(yīng)選B而不能選D. 6. You _____ be right, but I don’t think you are. A. can B. could C. must D. should 【陷阱】幾個(gè)干擾項(xiàng)均有可能誤選。 【分析】從語(yǔ)境上看,C、D不宜選,在剩下的A和B中,許多同學(xué)想當(dāng)然地選了A,認(rèn)為整個(gè)句子為現(xiàn)在時(shí)態(tài),所以選can,而不選過(guò)去式 could,但是最佳答案卻是B而不是A.按照英語(yǔ)語(yǔ)法,情態(tài)動(dòng)詞can 用于推測(cè)表示可能性時(shí),通常只用于否定句或疑問(wèn)句中,而不用于肯定句中;但 could 用于表推測(cè)時(shí),卻不僅可用于否定句和疑問(wèn)句,也可用于肯定句,且此時(shí)的 could 并不是 can 的過(guò)去式,與 can 也沒(méi)有時(shí)間上的差別,只是 could 比 can語(yǔ)氣更委婉,所以答案選B.注:can 在以下特殊情況下,也可用于肯定句。一是表示抽象的可能性,即從理論上或邏輯上分析是可能的,但是實(shí)際上未必會(huì)發(fā)生。如:Anyone can make mistakes. 任何人都可能會(huì)犯錯(cuò)誤。二是后接“be (get, seem, become)+形容詞”,表示“有時(shí)會(huì)”、“時(shí)常會(huì)”等。如:My father can be very unreasonable. 我父親有時(shí)候很不講道理。

          情態(tài)動(dòng)詞精講精練的內(nèi)容就為考生分享到這里,育路網(wǎng)希望考生可以取得更好的成績(jī)。

          (責(zé)任編輯:郭峰)

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