江蘇省江陰市峭岐中學(xué)2020屆高三英語(yǔ)復(fù)習(xí) 虛擬語(yǔ)氣學(xué)案（無(wú)答案）

虛擬語(yǔ)氣類(lèi)別用法例句if引導(dǎo)的條件從句與現(xiàn)在事實(shí)相反從句動(dòng)詞：過(guò)去式（be用were）；主句動(dòng)詞：should/would/could/might +動(dòng)詞原形If he were here, he would help us.與過(guò)去事實(shí)相反從句動(dòng)詞：had +過(guò)去分詞；主句動(dòng)詞：should/would/could/might +have +過(guò)去分詞If I had been free, I would have visited you.與將來(lái)事實(shí)相反從句動(dòng)詞：過(guò)去式/should +動(dòng)詞原形/were +不定式；主句動(dòng)詞:should/would/could/might +動(dòng)詞原形If it should rain tomorrow, we would not go camping.其他狀語(yǔ)從句as if 引導(dǎo)的狀語(yǔ)從句中動(dòng)詞用過(guò)去式或過(guò)去完成式They are talking as if they had been friends for years.even if/though 引導(dǎo)的從句, 與現(xiàn)在將來(lái)/事實(shí)相反:從句動(dòng)詞用過(guò)去式,主句動(dòng)詞用should/would +動(dòng)詞原形。與過(guò)去事實(shí)相反:從句動(dòng)詞：had +過(guò)去分詞；主句動(dòng)詞：should/would +have +過(guò)去分詞Even if they were to fail, they wouldnt lose courage.賓語(yǔ)從句demand, suggest, order, insist等表命令、建議、要求后的從句中動(dòng)詞（should）+動(dòng)詞原形He suggested that we not change our mind.wish后的從句中分別用過(guò)去式、過(guò)去完成式和could/would+動(dòng)詞原形表示與現(xiàn)在、過(guò)去和將來(lái)情況相反I wish I could be a pop singer.主語(yǔ)從句在It is necessary/important/strange that, It is suggested/demanded/ordered/requested that等從句中，謂語(yǔ)動(dòng)詞用（should）+動(dòng)詞原形It is strange that such a person should be our friends.表語(yǔ)從句和同位語(yǔ)從句作idea, advice, order, demand, request等表命令、建議、要求的詞的表語(yǔ)從句和同位語(yǔ)從句，其謂語(yǔ)動(dòng)詞用（should）+動(dòng)詞原形My advice is that you (should) finish your homework first.The idea that you (should) go is right.其他句型中It is time that句型中動(dòng)詞用過(guò)去式或should+動(dòng)詞原形Its high time that we left.would rather所接的從句中動(dòng)詞用過(guò)去式或者過(guò)去完成式I would rather you stayed at home now.If only句型中動(dòng)詞常用過(guò)去式或者過(guò)去完成式，表示強(qiáng)烈的愿望If only our dream had come true!二 其他要注意的事項(xiàng)1. 虛擬語(yǔ)氣中出現(xiàn)be的過(guò)去式，只能用were。2. suggest表 “暗示、表明”和 insist表示 “堅(jiān)持認(rèn)為”,其后的賓語(yǔ)從句用陳述句語(yǔ)氣。例如：You pale face suggests that you are ill. / He insisted that he was right.3. if虛擬語(yǔ)氣條件句中如有had, should, were，可省略if, 將其提前引起倒裝。例如：Were I you, I would remain. / Had you told me earlier, I wouldnt have missed it.4. 可用with, but for代替虛擬語(yǔ)氣條件句。例如：But for your help. I would have failed the exam.Without air there would be no life.as if/though, even if/though也可以不用虛擬，表示真實(shí)的情況。例如：It looks as if it is going to rain.II、實(shí)戰(zhàn)演練用所給動(dòng)詞的適當(dāng)形式填空-If he _ (warn), he _ (not take) that food.-Luckily he was sent to the hospital immediately.When a pencil is partly in a glass of water, it looks as if it _ (break).I would rather they _ (not hear) of the news.I wish I _ (have) a room of my own when I was a child.To the surprise of the public, the identification of the cause of such a simple event _ (take) more than a year.Without air to hold some of the suns heat, the earth at night _ (be) freezing cold, too cold for us to stay.If I had worked harder at school, I _(sit) in a comfortable office now.Her pale face suggested that she _ (be) ill, and her colleagues suggested that she _ (have) a medical examination.I insisted he _ (go) to see a doctor, but he insisted nothing _ (be) wrong with him.He asks that he _ (give) an opportunity to explain why hes refused to go there.It is high time we _ (get) down to discussing this plan.If it were not for the fact that you _ (be) too busy, I would ask you to help me do this right now.Who do you suggest _ (send) to work there?I would have come earlier, but I _ (not know) that you were waiting for me.If it _ (rain) tomorrow, the outing would be cancelled.