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助動(dòng)詞語(yǔ)法的相應(yīng)考題

時(shí)間:2021-08-21 16:04:25 詞語(yǔ) 我要投稿

關(guān)于助動(dòng)詞語(yǔ)法的相應(yīng)考題

  The soldiers tried their best and did what they could _________ against the flood.

關(guān)于助動(dòng)詞語(yǔ)法的相應(yīng)考題

  A. fight B. to fight C. fighting D. fought

  有的同學(xué)一看到空格前的情態(tài)動(dòng)詞 could 就斷定此處應(yīng)填動(dòng)詞原形 fight,即斷定選A答案。其實(shí)選錯(cuò)了,正確答案應(yīng)是BA。這是一個(gè)省略句,即在 could 后省略了動(dòng)詞 do,若把句子補(bǔ)完整應(yīng)為The soldiers tried their best and did what they could do to fight against the flood (士兵們竭盡全力抗洪)。即句中的不定式短語(yǔ) (to fight against the flood) 用作目的狀語(yǔ)的,而不是與情態(tài)動(dòng)詞(could)一起構(gòu)成謂語(yǔ)。請(qǐng)?jiān)倏搭愃评洌?/p>

  (1) He did what he could to help us. 他盡力幫助我們。(2) He saved what he could to buy a car. 他盡量節(jié)約每一分錢以便買車。(3) He ran as fast as he could to catch the early bus. 他拼命地跑以便趕上早班車。

  至此,有的同學(xué)可能又會(huì)想當(dāng)然地認(rèn)為,今后只要遇到類似結(jié)構(gòu)的.題選帶to不定式就萬(wàn)事大吉了,但也不一定,例外還是有的,還得具體問(wèn)題具體分析。請(qǐng)看下例:

  (4) He ran as fast as he could _________ to catch the early bus.

  A. to hope B. hope C. hoping D. hoped

  若根據(jù)以上“經(jīng)驗(yàn)”認(rèn)為此題要選A答案,那就又錯(cuò)了。此題應(yīng)選 C,其中的現(xiàn)在分詞短語(yǔ) hoping to catch the early bus 用作伴隨狀語(yǔ)。

  (5) He spent every minute he could _________ spoken English.

  A. practise B. to practise C. practising D. practised

  【分析】此題應(yīng)選 C,它與以上各題的情形均有所不同,雖然與上面的第(4)題的答案一樣,均為動(dòng)詞的 –ing 形式,但也不完全一樣:第(4) –ing 的 hoping 為現(xiàn)在分詞,在句中用作伴隨狀語(yǔ);而此題的 practising 是動(dòng)名詞,之所以用它與前面動(dòng)詞 spent 的搭配有關(guān),即 spend … (in) doing sth。

  (6) Mr Smith made up his mind to devote all he could _________ his oral English before going abroad. A. improveA.B. to improve C. improving D. to improving

  【分析】此題答案選D,注意兩點(diǎn):一是 devote … to … 是固定搭配,意為“把……貢獻(xiàn)給……”;二是其中的 to 是介詞,不是不定式符號(hào),后接動(dòng)詞時(shí)要用動(dòng)名詞。

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