虛擬語氣在非真實(shí)條件句中運(yùn)用

1、期中考試中期中考試中如果我知道答案，我如果我知道答案，我就請你吃飯！就請你吃飯！第三題答案是什么？第三題答案是什么？如果你告訴我答案，如果你告訴我答案，我放學(xué)請你吃飯。我放學(xué)請你吃飯。告訴我吧！告訴我吧！疑問語氣祈使語氣條件句什么是虛擬語氣？什么是虛擬語氣？1.虛擬語氣在虛擬語氣在條件句條件句中的用法中的用法條件句條件句真實(shí)條件句真實(shí)條件句虛擬條件句虛擬條件句可能實(shí)現(xiàn)的條件句可能實(shí)現(xiàn)的條件句不能實(shí)現(xiàn)不能實(shí)現(xiàn)的條件句的條件句虛擬語氣虛擬語氣如果你告訴我答案，我放學(xué)請你吃飯。如果你告訴我答案，我放學(xué)請你吃飯。If you If you tell tell me the answer, I will

2、 treat you after schoolme the answer, I will treat you after school. .真實(shí)條件句：真實(shí)條件句：實(shí)現(xiàn)的可能性非常大，在條件句中常用實(shí)現(xiàn)的可能性非常大，在條件句中常用現(xiàn)在時現(xiàn)在時表示表示將來時將來時。Eg: 如果明天下雨，我就待在家里。Ifit_ (rain)tomorrow,Iwillstayathome.rains虛擬條件句的瞎想虛擬條件句的瞎想對對過去過去的猜測的猜測對對現(xiàn)在現(xiàn)在的猜測的猜測對對未來未來的猜測的猜測虛擬條件句虛擬條件句如果我知道答案，我就請你如果我知道答案，我就請你吃飯！吃飯！虛擬條件句往往指虛擬條件句往往

3、指不能實(shí)現(xiàn)的不能實(shí)現(xiàn)的或或純假想純假想的情況。的情況。可以對可以對過去、現(xiàn)在、未來過去、現(xiàn)在、未來進(jìn)行假設(shè)。進(jìn)行假設(shè)。如果我昨天有如果我昨天有100100萬，我就會給你萬，我就會給你5050萬。萬。If IIf I hadhad had had one million RMB yesterday, one million RMB yesterday, I I would have would have givengiven you half. you half.（一）、對過去情況的假設(shè)（一）、對過去情況的假設(shè)如果我當(dāng)時知道你的電話號碼，我就給你打電話了。如果我當(dāng)時知道你的電話號碼，我就給你打電

4、話了。If I If I hadhad known known your telephone numberyour telephone number, ,I I would have would have calledcalled you. you. If .had done ., would have done .If .had done ., would have done .If If 引導(dǎo)的從句用過去完成時（引導(dǎo)的從句用過去完成時（had donehad done）, ,主句用主句用would/should/might/could+have+donewould/should/might

5、/could+have+done. . （一）、對過去情況的假設(shè)（一）、對過去情況的假設(shè)If .had done ., If .had done ., would/could/might/should have done . would/could/might/should have done .If If 引導(dǎo)的從句用過去完成時（引導(dǎo)的從句用過去完成時（had donehad done）, ,主句用主句用would/should/might/could+have+donewould/should/might/could+have+done. . 1.1.如果當(dāng)初你智商高如果當(dāng)初你智商高,(h

6、ave a high IQ),(have a high IQ),我就不會和你離婚了我就不會和你離婚了. .Ifyou_ (have)a high IQ,Ifyou_ (have)a high IQ,I_(not divorce)youI_(not divorce)you2.2.如果我昨天不把它寫下來，我是會忘記的。如果我昨天不把它寫下來，我是會忘記的。If I _( not write)it down yesterday,If I _( not write)it down yesterday, I _ _(forget)it. I _ _(forget)it.had had had had w

7、ouldnothavedivorcedwouldnothavedivorced(Divorce sb.)(Divorce sb.)had not written had not written should have forgotten should have forgotten （二）、對現(xiàn)在情況的假設(shè)（二）、對現(xiàn)在情況的假設(shè)如果我現(xiàn)在有如果我現(xiàn)在有100100萬，我會給你萬，我會給你5050萬萬If I If I hadhad one million now, one million now,I I would/could/might/shouldwould/could/might/sho

8、uld give give you half.you half.如果我現(xiàn)在有戒指，我們就結(jié)婚。如果我現(xiàn)在有戒指，我們就結(jié)婚。If I If I hadhad a ring now, a ring now,We We wouldwould get get marriedmarried. . 如果我是你，我會選擇買一枚金戒指。如果我是你，我會選擇買一枚金戒指。If I If I werewere you youI I wouldwould choose choose to buy a gold ring.to buy a gold ring.如果沒有音樂，世界將會非常單調(diào)如果沒有音樂，世界將會非常

9、單調(diào)If there If there werewere no music, no music,the world the world wouldwould be be very dull.very dull.If.did., .If.did., .would/could/miwould/could/might/should ght/should do.do.If.were., .If.were., .would/could/migwould/could/might/should do.ht/should do.If.did/were., .If.did/were., .would/could

10、/might/should do.would/could/might/should do.If.did/were., .would/could/might/should do.If.did/were., .would/could/might/should do.（二）、對現(xiàn)在情況的假設(shè)（二）、對現(xiàn)在情況的假設(shè) 條件從句中謂語動詞用一般過去式，條件從句中謂語動詞用一般過去式， 主句主句would/could/might/should + would/could/might/should + 動詞原形動詞原形1.1.很抱歉，我很忙。如果我有時間，我會去看你的。很抱歉，我很忙。如果我有時間，我會去看

11、你的。I am sorry I am very busy now. I am sorry I am very busy now. If I _ (have) time, I _ (come)to see you.If I _ (have) time, I _ (come)to see you.2.2.如果我是你，我就不會那么做。如果我是你，我就不會那么做。If I _ (be) you, I _ ( not do) that.If I _ (be) you, I _ ( not do) that.3.3.如果胡子就是知識的象征，那么山羊也會成為蘇格拉底如果胡子就是知識的象征，那么山羊也會成為蘇

12、格拉底If a beard _(be) a sign of knowledge, If a beard _(be) a sign of knowledge, the goat _ (be )Socrates.the goat _ (be )Socrates.had had would comewould comewere were should not doshould not dowerewerewould be would be （三）、對未來情況的假設(shè)（三）、對未來情況的假設(shè)如果我明天有如果我明天有100100萬，我就會給你萬，我就會給你5050萬萬If I If I had/had/s

13、houldshould have/ have/ were to were to have have one million tomorrow, one million tomorrow, I I would/could/should/mightwould/could/should/might give give you half.you half.如果明天下雪，我們就不出去了。如果明天下雪，我們就不出去了。If it If it snowed/snowed/shouldshould snow/ snow/ were to were to snow snow tomorrow, tomorrow

14、, We We would would not not gogo out. out.If did/should do/ were to do ,If did/should do/ were to do , would/could/might/should do. would/could/might/should do.對未來情況的預(yù)測，謂語動詞用對未來情況的預(yù)測，謂語動詞用should do/were to do/did,should do/were to do/did,主句用主句用would/could/might/should do.would/could/might/should do.

15、If did/should do/ were to do ,If did/should do/ were to do , would/could/might/should do. would/could/might/should do.對未來情況的預(yù)測，謂語動詞用對未來情況的預(yù)測，謂語動詞用should do/were to do/did,should do/were to do/did,主句用主句用would/could/might/should dowould/could/might/should do（三）、對未來情況的假設(shè)（三）、對未來情況的假設(shè)1.1.如果我們明天能來，就能見到總經(jīng)理

16、。如果我們明天能來，就能見到總經(jīng)理。If we _(come)tomorrow, If we _(come)tomorrow, we _(meet)the general manager. we _(meet)the general manager. 2.2.如果明天下雨的話，我們就不去野炊了。如果明天下雨的話，我們就不去野炊了。If it If it _(rain)_tomorrow, _(rain)_tomorrow, we _ (not go)for a picnic.we _ (not go)for a picnic.came/should come/ were to comecame

17、/should come/ were to comecould meetcould meetwere to rain/should rain/ rained were to rain/should rain/ rained would not go would not go 如果我昨天有如果我昨天有100100萬，我就會給你萬，我就會給你5050萬萬。If IIf I hadhad had had one million yesterday, one million yesterday, I I would have would have givengiven you half. you ha

18、lf.如果我現(xiàn)在有如果我現(xiàn)在有100100萬，我會給你萬，我會給你5050萬萬If I If I hadhad one million now, one million now,I I would/could/might/shouldwould/could/might/should give give you half.you half.如果我明天有如果我明天有100100萬，我就會給你萬，我就會給你5050萬萬If I If I had/had/shouldshould have/ have/ were to were to have have one million tomorrow, o

19、ne million tomorrow, I I would/could/should/might would/could/should/might give give you half.you half.主句謂語主句謂語和和從句謂語從句謂語表示的動作在表示的動作在時間上不一致時間上不一致如果我過去長得帥一點(diǎn)，現(xiàn)在就不會單身了Eg: Eg: 如果如果當(dāng)時當(dāng)時你聽我的勸，你你聽我的勸，你現(xiàn)在現(xiàn)在就不會有麻煩的。就不會有麻煩的。If you had taken had taken (take)my advice then, you wouldnt be wouldnt be (be) in tro

20、uble now.如果如果昨晚昨晚下雨的話，下雨的話，今天今天就會很冷了。就會很冷了。If it If it had rained had rained last night, it last night, it might be might be very cold today.very cold today.1.1.如果他起床早一些，現(xiàn)在就不會遲到了。如果他起床早一些，現(xiàn)在就不會遲到了。If he _(get up)earlier, If he _(get up)earlier, he _ (not be)late now.he _ (not be)late now.2.2.如果昨晚下雨了

21、，今天地面就是濕的。如果昨晚下雨了，今天地面就是濕的。If it _(rain)last night, If it _(rain)last night, the ground _ (be)wet now.the ground _ (be)wet now.had got up had got up would not be would not be had rained had rained would be would be 多虧你幫了我，不然的話?！叭绻麤]有你?！?”要不是你幫我?！昂詈顥l件句條件句有些句子雖然有些句子雖然不含有條件從句不含有條件從句，但，但意思和條件句差不多意思和條件句

22、差不多，這種句子稱為這種句子稱為“含蓄條件句含蓄條件句”。這種句子有時會用虛擬語氣。這種句子有時會用虛擬語氣。Without(Without(如果沒有如果沒有), but for), but for（要不是）（要不是）, , otherwiseotherwise（ 不然，否則）不然，否則）, or, or（否則（否則）等。）等。如果沒有電，世界將會一片黑暗。如果沒有電，世界將會一片黑暗。WithoutWithout electricity, the world electricity, the world would be would be dark.dark.= If there = If

23、there werewere no electricity, the world no electricity, the world would be would be dark.dark.我我本應(yīng)能本應(yīng)能多幫你一些的，但我當(dāng)時太忙了。多幫你一些的，但我當(dāng)時太忙了。I I might have givenmight have given you more help, but I was too busy. you more help, but I was too busy.沒有如果（if）如果沒有空氣，人類將不能生存。如果沒有空氣，人類將不能生存。Without air, human bein

24、g Without air, human being would not be would not be able to survive. able to survive. 如果不是你的幫助，我們就完不成任務(wù)。如果不是你的幫助，我們就完不成任務(wù)。But for your help, we But for your help, we should not have completed should not have completed this task.this task.But for the help of my English teacher, I_ the first prize in

25、 the English Writing Competition.would not win B. would not have won C. would win D. would have won虛擬語氣中的倒裝虛擬語氣中的倒裝虛擬條件句虛擬條件句中，如果有中，如果有should, had, were to do should, had, were to do 結(jié)構(gòu)，結(jié)構(gòu)，可以可以把把if if 去掉去掉，然后把，然后把 had, should, were had, should, were 提到主語前面提到主語前面。如果時光倒流，我會加倍努力。如果時光倒流，我會加倍努力。If If tim

26、e time were were to go back, I would work double hard.to go back, I would work double hard.如果我當(dāng)時努力學(xué)習(xí)的話，我肯定會成功的。如果我當(dāng)時努力學(xué)習(xí)的話，我肯定會成功的。If If I I hadhad worked hard, I would have surely succeeded. worked hard, I would have surely succeeded.假如明天天氣好，我們就去郊游。假如明天天氣好，我們就去郊游。If If it it shouldshould be fine to

27、morrow, we would go for an outing. be fine tomorrow, we would go for an outing. WereWere time to go back, I would work double hard. time to go back, I would work double hard.= = HadHad I worked hard, I would have surely succeed. I worked hard, I would have surely succeed.= = ShouldShould it be fine

28、tomorrow, we would go for an outing. it be fine tomorrow, we would go for an outing.虛擬語氣中的倒裝虛擬語氣中的倒裝虛擬條件句虛擬條件句中，如果有中，如果有should, had, were to do should, had, were to do 結(jié)構(gòu)，結(jié)構(gòu)，可以可以把把if if 去掉去掉，然后把，然后把 had, should, were had, should, were 提到主語前面提到主語前面。如果我當(dāng)時知道你的電話號碼，我就給你打電話了。如果我當(dāng)時知道你的電話號碼，我就給你打電話了。If If

29、I I had had known your telephone number,known your telephone number,I would have called you. I would have called you. HadHad I known your telephone number. I known your telephone number.如果明天下雨的話，我們就不去野炊了。如果明天下雨的話，我們就不去野炊了。If If it it were to rain were to rain tomorrow, we would not go for a picnic.t

30、omorrow, we would not go for a picnic.WereWere it to rain tomorrow, we would not go for a picnic. it to rain tomorrow, we would not go for a picnic.1、四種語氣、四種語氣2、條件句包括、條件句包括.3.虛擬條件句的四種瞎想虛擬條件句的四種瞎想4、虛擬語氣的含蓄表達(dá)、虛擬語氣的含蓄表達(dá)-5、虛擬條件句的倒裝、虛擬條件句的倒裝對過去的猜測對過去的猜測對現(xiàn)在的猜測對現(xiàn)在的猜測對未來的猜測對未來的猜測錯綜時間條件句錯綜時間條件句沒有如果（沒有如果（IF）h

31、ad had should should were to do were to do 竅門：竅門： 記住例句記住例句 “學(xué)英語雖易，堅(jiān)持學(xué)不易，且行且珍惜學(xué)英語雖易，堅(jiān)持學(xué)不易，且行且珍惜?！?.You did not let me drive. If we _ in turn, you_ so tired. drove; didnt get. drove; wouldnt getC. Were driving, wouldnt get D. had driven; wouldnt have got.D2. _ it rain tomorrow, we would have to put of

32、f the visit.A. Were B. Should C. Would D.WillB3. Had you listened to the doctor, you _ all right now.Are B. Were A. Would be D. would have beenC C4. We _ last night, but we went to the cinema instead. Must have studied B.might studyC. Would study D. would have studied. D2.2.虛擬語氣在某虛擬語氣在某些從句中的運(yùn)用些從句中的運(yùn)

33、用主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句同位語從句狀語從句狀語從句虛擬語氣用于主語從句虛擬語氣用于主語從句It is/was important(It is/was important(necessary, appropriate, proper, necessary, appropriate, proper, right , essential, vital, etcright , essential, vital, etc) that) that. . should +should +動詞原形動詞原形這種句型中，這種句型中，should should 常譯為常譯為“應(yīng)該

34、應(yīng)該”“”“必須必須”。虛擬語氣用虛擬語氣用“should+should+動詞原形動詞原形”，或?qū)⒒驅(qū)hould should 省略，只用動詞原形。省略，只用動詞原形。這種主語從句由連詞這種主語從句由連詞that that 引導(dǎo)。常用于以下三種句型中：引導(dǎo)。常用于以下三種句型中：It is necessary that It is necessary that I I (should) return (should) return it right now.it right now.我有必要馬上把它還回去我有必要馬上把它還回去It is necessary that It is necess

35、ary that we we (should) speak (should) speak politely.politely.我們說話要有禮貌，這是很重要的。我們說話要有禮貌，這是很重要的。重要的是照顧好病人重要的是照顧好病人Itsimportantthatwe_(take)goodItsimportantthatwe_(take)good care ofthepatient care ofthepatient(should)take(should)take2. It is/was 2. It is/was unnatural/unthinkable/strange/surprisingunn

36、atural/unthinkable/strange/surprising. thatthat. . should +should +動詞原形動詞原形 這種句子中，這種句子中，should should 常翻譯為常翻譯為“竟然竟然”It is strange that It is strange that he he (should ) be (should ) be so rude.so rude.真奇怪，他竟然這么粗魯。真奇怪，他竟然這么粗魯。It seems unthinkable that It seems unthinkable that you you (should) make

37、(should) make such a mistake.such a mistake.你竟然犯這樣的錯誤，真不可思議。你竟然犯這樣的錯誤，真不可思議。他考試失敗了，真是不可思議。他考試失敗了，真是不可思議。It is unthinkable that he _(fail)the exam.It is unthinkable that he _(fail)the exam.(should) fail (should) fail 3. It is/was 3. It is/was suggested(requested/required/ordered/suggested(requested/r

38、equired/ordered/Proposed/decided etcProposed/decided etc).). that that. . should +should +動詞原形動詞原形 建議父母應(yīng)該花更多時間和孩子在一起。建議父母應(yīng)該花更多時間和孩子在一起。It is suggested that It is suggested that parents parents (should )spend(should )spend more time with their children. more time with their children.我們應(yīng)該坐九點(diǎn)的車我們應(yīng)該坐九點(diǎn)的

39、車It is proposed that It is proposed that we we (should ) take (should ) take the 9:00 train.the 9:00 train.學(xué)校要求學(xué)生必須學(xué)一門外語學(xué)校要求學(xué)生必須學(xué)一門外語It is required that It is required that the students the students (should) learn (should) learn a foreign language.a foreign language.建議每天喝水建議每天喝水It is suggested that

40、we _(drink)water everyday.It is suggested that we _(drink)water everyday.(should) drink (should) drink It is/was Important/necessary/appropriate/proper/right/Essential/vitaletc.Unnatural/strange/surprising/unthinkable.Suggested/requested/required/ordered/proposed/decided,etc.that that + (should) do

41、虛擬語氣用于主語從句虛擬語氣用于主語從句虛擬語氣用于賓語從句虛擬語氣用于賓語從句3.3.表示表示“建議，命令，要求，堅(jiān)決做建議，命令，要求，堅(jiān)決做”等等 的動詞后的賓語從句的動詞后的賓語從句1. Wish 1. Wish 后的賓語從句后的賓語從句用用過去式過去式- - 表示表示現(xiàn)在現(xiàn)在的情況的情況用用過去完成時過去完成時-表示表示過去過去的情況的情況用用would/couldwould/could - - 表示表示將來將來2.Would rather 2.Would rather 后的賓語從句后的賓語從句用用過去時過去時表示表示現(xiàn)在現(xiàn)在/ /將來將來的情況的情況用用過去完成時過去完成時-表示表

42、示過去過去的情況的情況一堅(jiān)持一堅(jiān)持 insistinsist 二命令二命令 order , command,order , command,三建議三建議 suggest, advisesuggest, advise, , proposepropose四要求四要求 require, request, desire, demandrequire, request, desire, demand. .1. Wish 1. Wish 后的賓語從句后的賓語從句用過去式- 表示現(xiàn)在的情況用過去完成時-表示過去的情況用would/could+do - 表示將來虛擬語氣用于賓語從句虛擬語氣用于賓語從句我要是你

43、就好了我要是你就好了( (對現(xiàn)在的假設(shè)對現(xiàn)在的假設(shè)) )I wish I I wish I werewere you. you.你要是參加了婚禮就好了（對過去的假設(shè)）你要是參加了婚禮就好了（對過去的假設(shè)）I wish you I wish you had come had come to the wedding.to the wedding.但愿你但愿你明天明天能來參加派對（對未來的假設(shè)）能來參加派對（對未來的假設(shè)）I wish you I wish you could come could come toto the party tomorrow.the party tomorrow.2.W

44、ould rather 2.Would rather 后的賓語從句后的賓語從句用用過去時過去時表示表示現(xiàn)在現(xiàn)在/ /將來將來的情況的情況用用過去完成時過去完成時-表示表示過去過去的情況的情況虛擬語氣用于賓語從句虛擬語氣用于賓語從句我寧愿你給我講真話我寧愿你給我講真話( (現(xiàn)在現(xiàn)在) )I would rather you I would rather you told told me the truth.me the truth.我倒寧愿你沒把這個秘密泄露出去。（過去）我倒寧愿你沒把這個秘密泄露出去。（過去）I would rather you I would rather you hadnt

45、 let hadnt let out the secret.out the secret.我寧愿你下周六來（將來）我寧愿你下周六來（將來）I would (Id ) rather you I would (Id ) rather you camecame next Saturday. next Saturday.3.3.表示表示“建議，命令，要求，堅(jiān)決做建議，命令，要求，堅(jiān)決做”等的動詞后的賓語從句等的動詞后的賓語從句, , 常用（常用（shouldshould）+ +動詞原形的結(jié)構(gòu)。動詞原形的結(jié)構(gòu)。虛擬語氣用于賓語從句虛擬語氣用于賓語從句一堅(jiān)持一堅(jiān)持 insistinsist 二命令二命令

46、order , command,order , command,三建議三建議 suggest, advisesuggest, advise, , proposepropose四要求四要求 require, request, desire, demandrequire, request, desire, demand. .他他堅(jiān)持堅(jiān)持自己做決定自己做決定He He insisted that insisted that he he (should) make (should) make his decision.his decision.媽媽媽媽要求要求Tom Tom 八點(diǎn)睡覺八點(diǎn)睡覺Mom M

47、om ordered that ordered that Tom Tom (should) go (should) go to bed to bed at 8 oclock in the evening.at 8 oclock in the evening.專家專家建議建議他少吃甜食他少吃甜食The The expert suggested/advised/proposed that expert suggested/advised/proposed that he he (should) eat (should) eat less dessert.less dessert.學(xué)校學(xué)校要求要求學(xué)

48、生學(xué)習(xí)一門外語學(xué)生學(xué)習(xí)一門外語The school The school required/requested/desired/demanded thatrequired/requested/desired/demanded that the students the students (should) learn (should) learn a foreign language.a foreign language.3.3.表示表示“建議，命令，要求，堅(jiān)決做建議，命令，要求，堅(jiān)決做”等的動詞后的賓語從句等的動詞后的賓語從句, , 常用（常用（shouldshould）+ +動詞原形的結(jié)構(gòu)。

49、動詞原形的結(jié)構(gòu)。虛擬語氣用于賓語從句虛擬語氣用于賓語從句一堅(jiān)持一堅(jiān)持 insistinsist 二命令二命令 order , command,order , command,三建議三建議 suggest, advisesuggest, advise, , proposepropose四要求四要求 require, request, desire, demandrequire, request, desire, demand. .他他堅(jiān)持說堅(jiān)持說他沒有偷錢他沒有偷錢他的表情他的表情說明說明他對這個演講并不感興趣。他對這個演講并不感興趣。他堅(jiān)持認(rèn)為，做早操對身體有益他堅(jiān)持認(rèn)為，做早操對身體有益當(dāng)當(dāng)

50、 suggest suggest 意味意味“暗示、表明暗示、表明” insist insist 意味意味 “堅(jiān)持說，堅(jiān)持認(rèn)為堅(jiān)持說，堅(jiān)持認(rèn)為”時，時，從句中應(yīng)該用陳述語氣。從句中應(yīng)該用陳述語氣。他臉上的微笑表明他同意這項(xiàng)計(jì)劃他臉上的微笑表明他同意這項(xiàng)計(jì)劃 (agree to)(agree to)The smile on his face suggests that he _ to this plan.The smile on his face suggests that he _ to this plan.agreesagreesHe insists that doing morning ex

51、ercise He insists that doing morning exercise _ (do) good to peoples health._ (do) good to peoples health.does does 2.2.虛擬語氣在某虛擬語氣在某些從句中的運(yùn)用些從句中的運(yùn)用主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句同位語從句狀語從句狀語從句虛擬語氣用于表語從句虛擬語氣用于表語從句1. As if, as though 引導(dǎo)的表語從句中用虛擬語氣2. 2. 與表示與表示“決定、主張、要求、建議、命令決定、主張、要求、建議、命令”等的動詞相對應(yīng)的名詞（等的動詞相對

52、應(yīng)的名詞（suggestion, proposal, advice,suggestion, proposal, advice,Demand , order, requirement Demand , order, requirement 等）構(gòu)成的表語從句中，等）構(gòu)成的表語從句中，常用常用“ “（shouldshould）+do”+do”結(jié)構(gòu)。結(jié)構(gòu)。與與現(xiàn)在現(xiàn)在事實(shí)相反，謂語動詞用事實(shí)相反，謂語動詞用一般過去時一般過去時；若表示若表示與過去事實(shí)相反與過去事實(shí)相反，用，用過去完成時過去完成時；表示表示將來將來的可能性不大，用的可能性不大，用would (might, could)+would (

53、might, could)+動詞原形動詞原形：1. As if, as though 引導(dǎo)的表語從句中用虛擬語氣虛擬語氣用于表語從句虛擬語氣用于表語從句He acts as if he knew me. 他顯得認(rèn)識我似的。他顯得認(rèn)識我似的。They treat me as though I were a stranger. 他們待我如陌生人。他們待我如陌生人。He talks as if he had been abroad. 他說起話來好像曾經(jīng)出過國。他說起話來好像曾經(jīng)出過國。2. 2. 與表示與表示“決定、主張、要求、建議、命令決定、主張、要求、建議、命令”等的動詞相對應(yīng)的名詞（等的動詞相

54、對應(yīng)的名詞（suggestion, proposal, advice,suggestion, proposal, advice,Demand , order, requirement Demand , order, requirement 等）構(gòu)成的表語從句中，等）構(gòu)成的表語從句中，常用常用“ “（shouldshould）+do+do” ”結(jié)構(gòu)。結(jié)構(gòu)。虛擬語氣用于表語從句虛擬語氣用于表語從句我們決定推遲會議。我們決定推遲會議。Our Our decisiondecision is that the meeting ( is that the meeting (should) be shoul

55、d) be put off.put off.我建議走回家我建議走回家My My suggestionsuggestion is that we is that we (should) walk (should) walk homehome要求每位學(xué)生學(xué)一門外語要求每位學(xué)生學(xué)一門外語The The requirementrequirement is that every student is that every student (should ) learn (should ) learn a foreign language.a foreign language.2.2.虛擬語氣在某虛擬語氣

56、在某些從句中的運(yùn)用些從句中的運(yùn)用主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句同位語從句狀語從句狀語從句虛擬語氣用于同位語從句虛擬語氣用于同位語從句與表示與表示“決定、主張、要求、建議、命令決定、主張、要求、建議、命令”等的動詞等的動詞相對應(yīng)的名詞構(gòu)成的同位語從句常用相對應(yīng)的名詞構(gòu)成的同位語從句常用”( ”(should)+doshould)+do” ” 結(jié)構(gòu)結(jié)構(gòu)如如suggestion, proposal, advice, demand, order, suggestion, proposal, advice, demand, order, requirementrequirem

57、ent等等他提議舉行一次英語演講比賽他提議舉行一次英語演講比賽He made a He made a suggestionsuggestion that they that they (should ) hold (should ) hold an English speech contest.an English speech contest.醫(yī)生建議我們多注意自己的身體。醫(yī)生建議我們多注意自己的身體。Doctors give us some Doctors give us some adviceadvice that we that we (should) pay(should) pay

58、more attention to our health more attention to our healthHe made the suggestion that she _ by train.He made the suggestion that she _ by train.A. Shall go B. go C. will go D. should have gone.A. Shall go B. go C. will go D. should have gone.2.2.虛擬語氣在某虛擬語氣在某些從句中的運(yùn)用些從句中的運(yùn)用主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句

59、同位語從句狀語從句狀語從句虛擬語氣用于狀語從句虛擬語氣用于狀語從句1.1.由由as if as if 或或as thoughas though引導(dǎo)的引導(dǎo)的狀語從句狀語從句可以用虛擬語氣表可以用虛擬語氣表示示與事實(shí)不符或與事實(shí)相反與事實(shí)不符或與事實(shí)相反的情況的情況2.2.目的狀語從句目的狀語從句The teacher treats the pupil The teacher treats the pupil as if as if hehe were were her own child. her own child. 這位老師對待這位學(xué)生就像自己的親生孩子一樣。這位老師對待這位學(xué)生就像自己的親生孩子一樣。（這位學(xué)生并不是她的親生孩子）（這位學(xué)生并不是她的親生孩子） I felt I felt as though as though we we had known had known each other for years.each other for years. 我感覺我們好像認(rèn)識多年了。（其實(shí)并沒有認(rèn)識多年）我感覺我們好像認(rèn)識多年了。（其實(shí)并沒有認(rèn)識多年）It looks It looks as if as if it it might rainmight rain. . 天看上去好像要下雨。天看