高二英語 虛擬語氣的用法課件

1、subjunctive moodGrammar1.英語動(dòng)詞有三種語氣， 陳述語氣，祈使語氣和虛擬語氣。2. 定義：用來表示說的話不是事實(shí)，或者是不可能發(fā)生或可能性比較小的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。一、虛擬語氣定義Q:Whats the difference between the two sentences?If I am free, I will visit you. If I were a bird, I would fly into the sky. （虛擬條件句） (真實(shí)條件句）If I won the lottery, I would buy an expens

2、ive car. (與現(xiàn)在事實(shí)相反）If I won the lottery, I would buy a villa.（與現(xiàn)在事實(shí)相反）If he had got up early, he would not have been late for school.（與過去事實(shí)相反）如果他早起，他就不會(huì)上學(xué)遲到。If he _ （drive) more carefully, he _ (not have) the car accident yesterday.（與過去事實(shí)相反）had driven would not have had 假如他來了, 我們對(duì)他說什么呢？If he were to

3、come, what should we say to him.假如他看見我, 就會(huì)認(rèn)識(shí)我。If he should see me, he would know me.一、一般條件句中的虛擬語氣二. 名詞性從句的虛擬語氣。主要是表示命令、要求、建議的虛擬語氣。賓語從句。常見動(dòng)詞：一個(gè)堅(jiān)持：insist兩個(gè)命令：order, command 三條建議：advise, suggest, propose四項(xiàng)要求：demand , require, request, ask 這些動(dòng)詞后面的賓語從句要使用虛擬語氣用法。即從句中的動(dòng)詞 使用should + 動(dòng)詞原形，或者將should省略。1.我們建議T

4、om去休息一下。2.他堅(jiān)決要求我到場(chǎng)。3.國(guó)王命令囚犯明天要實(shí)施死刑。4.他們要求我們派他們?nèi)ツ莾汗ぷ鳌?.We suggested that Tom2.He insisted that I present.4.They requested that we3.The king ordered that the prisoners should have a rest.(should) beShould be killedthe next day.should send themto work there. 2、以上動(dòng)詞相應(yīng)的名詞構(gòu)成的名詞性從句（包括主語從句，表語從句和同位語從句）也要使用虛擬

5、語氣。從句中的動(dòng)詞形式一樣。 order, advice, suggestion, proposal, demand, request, desireIts suggested that the plan be carried out.My demand is that she should come to see me once a week.All of us are for the advice that the chemical factory should be closed down.三、幾種特殊結(jié)構(gòu)中虛擬語氣的用法；1）wish + 賓語從句現(xiàn)在：過去：未來：過去時(shí) (did/w

6、ere)過去完成時(shí) (had done)would/could/might+V. shouldI wish I were a bird. (現(xiàn)在)I wish I hadnt made such a mistake. (過去)We wish our parents wouldnt punish us. (未來)I wish I _a bird.wereI wish/wished I _( not eat ) so much watermelon.hadnt eaten2）would rather that -現(xiàn)在：過去：未來：I would rather you _(pay) me now.

7、(現(xiàn)在)I would rather you _ (go) there yesterday. (過去)Dont come. I would rather you _(come) tomorrow. (未來)過去時(shí)過去時(shí)過去完成時(shí)paid me had gonecame4).Its （high） time +that -should +V.過去時(shí)你該走了。我們?cè)撍X了。Its high time that you .Its high time that you .Its time that we .Its time that we to bed. wentshould gowent to bedshould go5）If only (要是就好了) If only I knew his name!If only we had followed your advice!If only I could see him ag