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ill and missed many classes, he would have made greater progress. 含義: He was ill and missed many lessons, so he did not make greater progress. : 句型:條件從句 主句 一般過(guò)去時(shí) should+ 動(dòng)詞原形 were+ 不定式 would + 動(dòng)詞原形 should+ 動(dòng)詞原形 If you succeeded, everything would be all right. If you should succeed, everything would be all right. If you were to succeed, everything would be all right. 混合條件句:主句與從句的動(dòng)作發(fā)生在不同的時(shí)間,這時(shí)主,從句謂語(yǔ)動(dòng)詞的虛擬語(yǔ)氣形式因時(shí)間不同而不同,這叫做混合條件句。非真實(shí)條件句:( 1)時(shí)態(tài):可以表示過(guò)去,現(xiàn)在和將來(lái)的情況。 真實(shí)條件句: 真實(shí)條件句用于陳述語(yǔ)氣,假設(shè)的情況可能發(fā)生,其中 if 是如果的意思。虛擬語(yǔ)氣:一、概念: 虛擬語(yǔ)氣用來(lái)表示說(shuō) 話人的主觀愿望或假想,所說(shuō)的是一個(gè)條件,不一定是事實(shí),或與事實(shí)相反。時(shí)態(tài)關(guān)系: 句型:條件從句 主句 一般現(xiàn)在時(shí) shall/will + 動(dòng)詞原形 例如:If he es, he will bring his violin. 典型例題:The volleyball match will be put off if it ___. A. will rain B. rains C. rained D. is rained答案 B。它的基本特點(diǎn)是時(shí)態(tài)退后。If you had asked him yesterday, you would know what to do now. (從句與過(guò)去事實(shí)相反,主句與現(xiàn)在事實(shí)相反。 If he were here, everything would be all right. 如果他在這兒,一切都會(huì)好的。t I to do.特殊的虛擬語(yǔ)氣詞: should。The guard at gate insisted that everybody obey the rules. 判斷改錯(cuò) : (錯(cuò)) You pale face