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If only I could help you! 假如我能幫助你,那該是多好啊!If only I were ten years younger!我要是能年輕十歲該多好啊!If you would only try harder!你如再努力一試就好了。It is important that we should speak politely. 我們說話要有禮貌,這是很重要的。t !(= I39。(和過去的過去的事實(shí)相反)[注]有時(shí)在賓語從句中可用would或might加動(dòng)詞原形,表示有可能實(shí)現(xiàn)的愿望。[注]這種結(jié)構(gòu)往往可不用should,尤其在美國,只用動(dòng)詞原形(用于所有的人稱)。注意下面句中的as if從句用作表語。如:Long live the Communist Party of China! 中國共產(chǎn)黨萬歲!Long live the people! 人民萬歲!(1ive在此也是虛擬語氣的一種動(dòng)詞形式,不可改為lives)2)May用在句子開頭(多用在正式的文體中)。虛擬語氣用在簡(jiǎn)單句中下面是虛擬語氣用在簡(jiǎn)單句中較常見的兩種情況,皆表祝愿。如:My mother locked after the orphan as if he were her own child. 我母親照料這個(gè)孤兒像自己孩子一樣。The chairman proposed that we Should discuss the 。t been so forgetful. Then I shouldn39。m sorry I don39。It is strange that he Should have gone away without telling us. 真奇怪,他沒有通知我們就走掉了。如:If he were here!假如他在這里該多好啊!If I had never 。ll go for a ,我就去游泳。(從句說明過去,主句說明過去和現(xiàn)在)用直陳語氣表示條件和結(jié)果在現(xiàn)代英語里,多用直陳語氣表示條件和結(jié)果。If it had not been for their help,we could not have succeeded. 如果沒有他們的幫助,我們是不可能成功的。We could not have done the work well without your ,我們不可能做好這工作。If it should rain tomorrow,what would we do?明天萬一下雨,我們?cè)趺崔k?If you should meet George,tell him I want to see ,告訴他我要見他。3)表示與將來事實(shí)可能相反的條件和結(jié)果。He would tell me if he knew, but he does not,know anything about it. 假如他知道的話,他會(huì)告訴我的,但是他一點(diǎn)也不知道。(表示假設(shè))I wish Lao Li were would know how to fix the ,他會(huì)知道怎樣把機(jī)器修好的。如:Bring along your exerci