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GMAT語法比較中助動詞的補(bǔ)出.

2017/08/10 22:09:47 編輯: 瀏覽次數(shù):237 移動端

  看到網(wǎng)上經(jīng)常會有碰到問到比較中助動詞的補(bǔ)出這一GMAT語法知識點,為此小編特進(jìn)行收集整理,將比較中助動詞的補(bǔ)出這一GMAT語法知識點分享給大家,希望對大家備考GMAT考試有所幫助。

  助動詞的補(bǔ)出都出現(xiàn)在主語比較中,為了避免比較上的歧義。

  補(bǔ)出的助動詞:be/ do/ did/ have/ 情態(tài)動詞

  具體補(bǔ)出什么,取決于than/as前面句子的動詞——be補(bǔ)be,實意動詞補(bǔ)do/did/does,完成時態(tài)補(bǔ)have/ had/ has,情態(tài)動詞補(bǔ)情態(tài)動詞。

  注意:

  主謂結(jié)構(gòu)或主系表結(jié)構(gòu),主語比較一般是不需要補(bǔ)出助動詞的,但是補(bǔ)出了也不一定錯。但是,如果than/as后面事態(tài)發(fā)生變化,一定要補(bǔ)出助動詞!

  一個比較特殊的題:

  2-96 There are hopul signs that we are shifting away from our heavy reliance on fossil fuels: more than ten times as much energy is generated through wind power now than it was in 1990.

  (A) generated through wind power now than it was

  (B) generated through wind power now as it was

  (C) generated through wind power now as was the case

  (D) now generated through wind power as it was

  (E) now generated through wind power than was the case

  key: C

  這個題目因為時態(tài)的轉(zhuǎn)變必須補(bǔ)出was;其次比較對象是整句話的屬性,而不僅僅是energy,所以不用that來補(bǔ)出,但是卻又不能用it來指代主語,所以就只能用as was the case了。

  總之,關(guān)于比較和比較中的省略,說難也不難。

  以上就是比較中助動詞的補(bǔ)出這一GMAT語法知識點的相關(guān)介紹,分享給大家,考生朋友如果再遇到這樣的問題,不妨看看上面的總結(jié)。最后預(yù)祝大家在GMAT考試中取得佳績。

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