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等可構(gòu)成含蓄虛擬語(yǔ)氣,相當(dāng)于條件狀語(yǔ)從句“ If it hadn’ t been your generous help” ,表示與過(guò)去事實(shí)相反,此時(shí)句中的謂語(yǔ)動(dòng)詞應(yīng)用should/could/would + have+過(guò)去分詞。據(jù)此可知 A項(xiàng)當(dāng)選。句意:假如當(dāng)時(shí)沒(méi)有您慷慨相助,我就不會(huì)度過(guò)那段艱難的時(shí)期。 A 3- 2 I ________ sooner but I didn’t know that they were waiting for me. A. had e B. was ing C. would e D. would have e 解析: 選 。考查虛擬語(yǔ)氣。句意:我不知道他們一直在等我,要不然我肯定會(huì)迅速點(diǎn)兒。根據(jù)句意可知,這里是對(duì)過(guò)去的虛擬,故主句用“ would have done”的形式,選 D項(xiàng)。 D 四、虛擬語(yǔ)氣的其他用法 1.主語(yǔ)從句中的虛擬語(yǔ)氣。 在主語(yǔ)從句中,謂語(yǔ)動(dòng)詞的虛擬語(yǔ)氣用“ (should+ )動(dòng)詞原形”的結(jié)構(gòu),表示驚奇、不相信、理應(yīng)如此等。常用句型有: (1)It is necessary (important, natural, strange, etc.) that ... (2)It was a pity (a shame, no wonder, etc.) that ... (3)It will be desired (suggested, decided, ordered, requested, proposed, etc.) that ... It is necessary that we (should) learn English well. 我們學(xué)好英語(yǔ)是必要的。 It is a pity that Lucy (should) be so careless. 真遺憾露茜竟這樣粗心。 It is suggested that we (should) start before sunset. 建議我們?nèi)章淝俺霭l(fā)。 [點(diǎn)津 ] 這種從句表示的是事實(shí)。如果說(shuō)話人對(duì)這種事實(shí)表現(xiàn)出驚奇等情感,就可用虛擬語(yǔ)氣。反之,如果不表示驚奇等情感, that 從句也可用陳述句語(yǔ)氣。 It is a pity that you can’ t go with us. 很遺憾你不能和我們一起去。 2.同位語(yǔ)從句和表語(yǔ)從句中的虛擬語(yǔ)氣。 表示建議、要求、命令等的名詞如 advice, idea, order, demand, plan, proposal, suggestion, request 等后跟表語(yǔ)從 句和同位語(yǔ)從句,從句中的謂語(yǔ)動(dòng)詞用“ (should+ )動(dòng)詞原 形”。 My advice is that we (should) tell him the news.