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在大學(xué)英語六級(jí)考試中,幾乎沒有單獨(dú)考察語法的題目,但并不代表語法知識(shí)不重要,語法知識(shí)貫穿整個(gè)六級(jí)試卷。下面考試吧英語四六級(jí)考試網(wǎng)為大家整理了英語六級(jí)語法知識(shí),希望可以為大家?guī)韼椭黄饋韺W(xué)習(xí)吧。
英語六級(jí)語法知識(shí):虛擬條件句的倒裝
虛擬條件句的從句部分如果含有were, should, 或had, 可將if省略,再把were, should或had 移到從句句首,實(shí)行倒裝。
Were they here now, they could help us.
=If they were here now, they could help us.
Had you come earlier, you would have met him
=If you had come earlier, you would have met him.
Should it rain, the crops would be saved.
=Were it to rain, the crops would be saved.
注意:
在虛擬語氣的從句中,動(dòng)詞'be'的過去時(shí)態(tài)一律用"were",不用was, 即在從句中be用were代替。
If I were you, I would go to look for him.
如果我是你,就會(huì)去找他。
If he were here, everything would be all right.
如果他在這兒,一切都會(huì)好的。
典型例題
_____ to do the work, I should do it some other day.
A. If were I B. I were C. Were I D. Was I
答案C. 在虛擬條件狀語中如果有were, should, had這三個(gè)詞,通常將if省略,主語提前, 變成 were, should, had +主語的形式。但要注意,在虛擬條件狀語從句中,省略連詞的倒裝形式的句首不能用動(dòng)詞的縮略形式。如我們可說 Were I not to do., 而不能說 Weren't I to do.
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