虚拟语气在非真实条件句中运用

1、期中考试中期中考试中如果我知道答案，我如果我知道答案，我就请你吃饭！就请你吃饭！第三题答案是什么？第三题答案是什么？如果你告诉我答案，如果你告诉我答案，我放学请你吃饭。我放学请你吃饭。告诉我吧！告诉我吧！疑问语气祈使语气条件句什么是虚拟语气？什么是虚拟语气？1.虚拟语气在虚拟语气在条件句条件句中的用法中的用法条件句条件句真实条件句真实条件句虚拟条件句虚拟条件句可能实现的条件句可能实现的条件句不能实现不能实现的条件句的条件句虚拟语气虚拟语气如果你告诉我答案，我放学请你吃饭。如果你告诉我答案，我放学请你吃饭。If you If you tell tell me the answer, I will

2、 treat you after schoolme the answer, I will treat you after school. .真实条件句：真实条件句：实现的可能性非常大，在条件句中常用实现的可能性非常大，在条件句中常用现在时现在时表示表示将来时将来时。Eg: 如果明天下雨，我就待在家里。Ifit_ (rain)tomorrow,Iwillstayathome.rains虚拟条件句的瞎想虚拟条件句的瞎想对对过去过去的猜测的猜测对对现在现在的猜测的猜测对对未来未来的猜测的猜测虚拟条件句虚拟条件句如果我知道答案，我就请你如果我知道答案，我就请你吃饭！吃饭！虚拟条件句往往指虚拟条件句往往

3、指不能实现的不能实现的或或纯假想纯假想的情况。的情况。可以对可以对过去、现在、未来过去、现在、未来进行假设。进行假设。如果我昨天有如果我昨天有100100万，我就会给你万，我就会给你5050万。万。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）、对过去情况的假设（一）、对过去情况的假设如果我当时知道你的电话号码，我就给你打电话了。如果我当时知道你的电话号码，我就给你打电

4、话了。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 引导的从句用过去完成时（引导的从句用过去完成时（had donehad done）, ,主句用主句用would/should/might/could+have+donewould/should/might

5、/could+have+done. . （一）、对过去情况的假设（一）、对过去情况的假设If .had done ., If .had done ., would/could/might/should have done . would/could/might/should have done .If If 引导的从句用过去完成时（引导的从句用过去完成时（had donehad done）, ,主句用主句用would/should/might/could+have+donewould/should/might/could+have+done. . 1.1.如果当初你智商高如果当初你智商高,(h

6、ave a high IQ),(have a high IQ),我就不会和你离婚了我就不会和你离婚了. .Ifyou_ (have)a high IQ,Ifyou_ (have)a high IQ,I_(not divorce)youI_(not divorce)you2.2.如果我昨天不把它写下来，我是会忘记的。如果我昨天不把它写下来，我是会忘记的。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）、对现在情况的假设（二）、对现在情况的假设如果我现在有如果我现在有100100万，我会给你万，我会给你5050万万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.如果我现在有戒指，我们就结婚。如果我现在有戒指，我们就结婚。If I If I hadhad a ring now, a ring now,We We wouldwould get get marriedmarried. . 如果我是你，我会选择买一枚金戒指。如果我是你，我会选择买一枚金戒指。If I If I werewere you youI I wouldwould choose choose to buy a gold ring.to buy a gold ring.如果没有音乐，世界将会非常单调如果没有音乐，世界将会非常

9、单调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）、对现在情况的假设（二）、对现在情况的假设 条件从句中谓语动词用一般过去式，条件从句中谓语动词用一般过去式， 主句主句would/could/might/should + would/could/might/should + 动词原形动词原形1.1.很抱歉，我很忙。如果我有时间，我会去看你的。很抱歉，我很忙。如果我有时间，我会去看

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，我就不会那么做。如果我是你，我就不会那么做。If I _ (be) you, I _ ( not do) that.If I _ (be) you, I _ ( not do) that.3.3.如果胡子就是知识的象征，那么山羊也会成为苏格拉底如果胡子就是知识的象征，那么山羊也会成为苏

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）、对未来情况的假设（三）、对未来情况的假设如果我明天有如果我明天有100100万，我就会给你万，我就会给你5050万万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，我们就不出去了。如果明天下雪，我们就不出去了。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.对未来情况的预测，谓语动词用对未来情况的预测，谓语动词用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.对未来情况的预测，谓语动词用对未来情况的预测，谓语动词用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）、对未来情况的假设（三）、对未来情况的假设1.1.如果我们明天能来，就能见到总经理

16、。如果我们明天能来，就能见到总经理。If we _(come)tomorrow, If we _(come)tomorrow, we _(meet)the general manager. we _(meet)the general manager. 2.2.如果明天下雨的话，我们就不去野炊了。如果明天下雨的话，我们就不去野炊了。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100100万，我就会给你万，我就会给你5050万万。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.如果我现在有如果我现在有100100万，我会给你万，我会给你5050万万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100100万，我就会给你万，我就会给你5050万万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.主句谓语主句谓语和和从句谓语从句谓语表示的动作在表示的动作在时间上不一致时间上不一致如果我过去长得帅一点，现在就不会单身了Eg: Eg: 如果如果当时当时你听我的劝，你你听我的劝，你现在现在就不会有麻烦的。就不会有麻烦的。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话，下雨的话，今天今天就会很冷了。就会很冷了。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，现在就不会迟到了。如果他起床早一些，现在就不会迟到了。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、，今天地面就是湿的。如果昨晚下雨了，今天地面就是湿的。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 多亏你帮了我，不然的话。“如果没有你。“ ”要不是你帮我。“含蓄含蓄条件句条件句有些句子虽然有些句子虽然不含有条件从句不含有条件从句，但，但意思和条件句差不多意思和条件句

22、差不多，这种句子称为这种句子称为“含蓄条件句含蓄条件句”。这种句子有时会用虚拟语气。这种句子有时会用虚拟语气。Without(Without(如果没有如果没有), but for), but for（要不是）（要不是）, , otherwiseotherwise（ 不然，否则）不然，否则）, or, or（否则（否则）等。）等。如果没有电，世界将会一片黑暗。如果没有电，世界将会一片黑暗。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.我我本应能本应能多帮你一些的，但我当时太忙了。多帮你一些的，但我当时太忙了。I I might have givenmight have given you more help, but I was too busy. you more help, but I was too busy.没有如果（if）如果没有空气，人类将不能生存。如果没有空气，人类将不能生存。Without air, human bein

24、g Without air, human being would not be would not be able to survive. able to survive. 如果不是你的帮助，我们就完不成任务。如果不是你的帮助，我们就完不成任务。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虚拟语气中的倒装虚拟语气中的倒装虚拟条件句虚拟条件句中，如果有中，如果有should, had, were to do should, had, were to do 结构，结构，可以可以把把if if 去掉去掉，然后把，然后把 had, should, were had, should, were 提到主语前面提到主语前面。如果时光倒流，我会加倍努力。如果时光倒流，我会加倍努力。If If tim

26、e time were were to go back, I would work double hard.to go back, I would work double hard.如果我当时努力学习的话，我肯定会成功的。如果我当时努力学习的话，我肯定会成功的。If If I I hadhad worked hard, I would have surely succeeded. worked hard, I would have surely succeeded.假如明天天气好，我们就去郊游。假如明天天气好，我们就去郊游。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.虚拟语气中的倒装虚拟语气中的倒装虚拟条件句虚拟条件句中，如果有中，如果有should, had, were to do should, had, were to do 结构，结构，可以可以把把if if 去掉去掉，然后把，然后把 had, should, were had, should, were 提到主语前面提到主语前面。如果我当时知道你的电话号码，我就给你打电话了。如果我当时知道你的电话号码，我就给你打电话了。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.如果明天下雨的话，我们就不去野炊了。如果明天下雨的话，我们就不去野炊了。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、四种语气、四种语气2、条件句包括、条件句包括.3.虚拟条件句的四种瞎想虚拟条件句的四种瞎想4、虚拟语气的含蓄表达、虚拟语气的含蓄表达-5、虚拟条件句的倒装、虚拟条件句的倒装对过去的猜测对过去的猜测对现在的猜测对现在的猜测对未来的猜测对未来的猜测错综时间条件句错综时间条件句没有如果（没有如果（IF）h

31、ad had should should were to do were to do 窍门：窍门： 记住例句记住例句 “学英语虽易，坚持学不易，且行且珍惜学英语虽易，坚持学不易，且行且珍惜。”1.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.虚拟语气在某虚拟语气在某些从句中的运用些从句中的运

33、用主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句状语从句状语从句虚拟语气用于主语从句虚拟语气用于主语从句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 +动词原形动词原形这种句型中，这种句型中，should should 常译为常译为“应该

34、应该”“”“必须必须”。虚拟语气用虚拟语气用“should+should+动词原形动词原形”，或将或将should should 省略，只用动词原形。省略，只用动词原形。这种主语从句由连词这种主语从句由连词that that 引导。常用于以下三种句型中：引导。常用于以下三种句型中：It is necessary that It is necessary that I I (should) return (should) return it right now.it right now.我有必要马上把它还回去我有必要马上把它还回去It is necessary that It is necess

35、ary that we we (should) speak (should) speak politely.politely.我们说话要有礼貌，这是很重要的。我们说话要有礼貌，这是很重要的。重要的是照顾好病人重要的是照顾好病人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 +动词原形动词原形 这种句子中，这种句子中，should should 常翻译为常翻译为“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，他竟然这么粗鲁。真奇怪，他竟然这么粗鲁。It seems unthinkable that It seems unthinkable that you you (should) make

37、(should) make such a mistake.such a mistake.你竟然犯这样的错误，真不可思议。你竟然犯这样的错误，真不可思议。他考试失败了，真是不可思议。他考试失败了，真是不可思议。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 +动词原形动词原形 建议父母应该花更多时间和孩子在一起。建议父母应该花更多时间和孩子在一起。It is suggested that It is suggested that parents parents (should )spend(should )spend more time with their children. more time with their children.我们应该坐九点的车我们应该坐九点的

39、车It is proposed that It is proposed that we we (should ) take (should ) take the 9:00 train.the 9:00 train.学校要求学生必须学一门外语学校要求学生必须学一门外语It is required that It is required that the students the students (should) learn (should) learn a foreign language.a foreign language.建议每天喝水建议每天喝水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、虚拟语气用于主语从句虚拟语气用于主语从句虚拟语气用于宾语从句虚拟语气用于宾语从句3.3.表示表示“建议，命令，要求，坚决做建议，命令，要求，坚决做”等等 的动词后的宾语从句的动词后的宾语从句1. Wish 1. Wish 后的宾语从句后的宾语从句用用过去式过去式- - 表示表示现在现在的情况的情况用用过去完成时过去完成时-表示表示过去过去的情况的情况用用would/couldwould/could - - 表示表示将来将来2.Would rather 2.Would rather 后的宾语从句后的宾语从句用用过去时过去时表示表示现在现在/ /将来将来的情况的情况用用过去完成时过去完成时-表示表

42、示过去过去的情况的情况一坚持一坚持 insistinsist 二命令二命令 order , command,order , command,三建议三建议 suggest, advisesuggest, advise, , proposepropose四要求四要求 require, request, desire, demandrequire, request, desire, demand. .1. Wish 1. Wish 后的宾语从句后的宾语从句用过去式- 表示现在的情况用过去完成时-表示过去的情况用would/could+do - 表示将来虚拟语气用于宾语从句虚拟语气用于宾语从句我要是你

43、就好了我要是你就好了( (对现在的假设对现在的假设) )I wish I I wish I werewere you. you.你要是参加了婚礼就好了（对过去的假设）你要是参加了婚礼就好了（对过去的假设）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来参加派对（对未来的假设）能来参加派对（对未来的假设）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 后的宾语从句后的宾语从句用用过去时过去时表示表示现在现在/ /将来将来的情况的情况用用过去完成时过去完成时-表示表示过去过去的情况的情况虚拟语气用于宾语从句虚拟语气用于宾语从句我宁愿你给我讲真话我宁愿你给我讲真话( (现在现在) )I would rather you I would rather you told told me the truth.me the truth.我倒宁愿你没把这个秘密泄露出去。（过去）我倒宁愿你没把这个秘密泄露出去。（过去）I would rather you I would rather you hadnt

45、 let hadnt let out the secret.out the secret.我宁愿你下周六来（将来）我宁愿你下周六来（将来）I would (Id ) rather you I would (Id ) rather you camecame next Saturday. next Saturday.3.3.表示表示“建议，命令，要求，坚决做建议，命令，要求，坚决做”等的动词后的宾语从句等的动词后的宾语从句, , 常用（常用（shouldshould）+ +动词原形的结构。动词原形的结构。虚拟语气用于宾语从句虚拟语气用于宾语从句一坚持一坚持 insistinsist 二命令二命令

46、order , command,order , command,三建议三建议 suggest, advisesuggest, advise, , proposepropose四要求四要求 require, request, desire, demandrequire, request, desire, demand. .他他坚持坚持自己做决定自己做决定He He insisted that insisted that he he (should) make (should) make his decision.his decision.妈妈妈妈要求要求Tom Tom 八点睡觉八点睡觉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.专家专家建议建议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.学校学校要求要求学

48、生学习一门外语学生学习一门外语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“建议，命令，要求，坚决做建议，命令，要求，坚决做”等的动词后的宾语从句等的动词后的宾语从句, , 常用（常用（shouldshould）+ +动词原形的结构。

49、动词原形的结构。虚拟语气用于宾语从句虚拟语气用于宾语从句一坚持一坚持 insistinsist 二命令二命令 order , command,order , command,三建议三建议 suggest, advisesuggest, advise, , proposepropose四要求四要求 require, request, desire, demandrequire, request, desire, demand. .他他坚持说坚持说他没有偷钱他没有偷钱他的表情他的表情说明说明他对这个演讲并不感兴趣。他对这个演讲并不感兴趣。他坚持认为，做早操对身体有益他坚持认为，做早操对身体有益当当

50、 suggest suggest 意味意味“暗示、表明暗示、表明” insist insist 意味意味 “坚持说，坚持认为坚持说，坚持认为”时，时，从句中应该用陈述语气。从句中应该用陈述语气。他脸上的微笑表明他同意这项计划他脸上的微笑表明他同意这项计划 (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.虚拟语气在某虚拟语气在某些从句中的运用些从句中的运用主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句状语从句状语从句虚拟语气用于表语从句虚拟语气用于表语从句1. As if, as though 引导的表语从句中用虚拟语气2. 2. 与表示与表示“决定、主张、要求、建议、命令决定、主张、要求、建议、命令”等的动词相对应的名词（等的动词相对

52、应的名词（suggestion, proposal, advice,suggestion, proposal, advice,Demand , order, requirement Demand , order, requirement 等）构成的表语从句中，等）构成的表语从句中，常用常用“ “（shouldshould）+do”+do”结构。结构。与与现在现在事实相反，谓语动词用事实相反，谓语动词用一般过去时一般过去时；若表示若表示与过去事实相反与过去事实相反，用，用过去完成时过去完成时；表示表示将来将来的可能性不大，用的可能性不大，用would (might, could)+would (

53、might, could)+动词原形动词原形：1. As if, as though 引导的表语从句中用虚拟语气虚拟语气用于表语从句虚拟语气用于表语从句He acts as if he knew me. 他显得认识我似的。他显得认识我似的。They treat me as though I were a stranger. 他们待我如陌生人。他们待我如陌生人。He talks as if he had been abroad. 他说起话来好像曾经出过国。他说起话来好像曾经出过国。2. 2. 与表示与表示“决定、主张、要求、建议、命令决定、主张、要求、建议、命令”等的动词相对应的名词（等的动词相

54、对应的名词（suggestion, proposal, advice,suggestion, proposal, advice,Demand , order, requirement Demand , order, requirement 等）构成的表语从句中，等）构成的表语从句中，常用常用“ “（shouldshould）+do+do” ”结构。结构。虚拟语气用于表语从句虚拟语气用于表语从句我们决定推迟会议。我们决定推迟会议。Our Our decisiondecision is that the meeting ( is that the meeting (should) be shoul

55、d) be put off.put off.我建议走回家我建议走回家My My suggestionsuggestion is that we is that we (should) walk (should) walk homehome要求每位学生学一门外语要求每位学生学一门外语The The requirementrequirement is that every student is that every student (should ) learn (should ) learn a foreign language.a foreign language.2.2.虚拟语气在某虚拟语气

56、在某些从句中的运用些从句中的运用主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句状语从句状语从句虚拟语气用于同位语从句虚拟语气用于同位语从句与表示与表示“决定、主张、要求、建议、命令决定、主张、要求、建议、命令”等的动词等的动词相对应的名词构成的同位语从句常用相对应的名词构成的同位语从句常用”( ”(should)+doshould)+do” ” 结构结构如如suggestion, proposal, advice, demand, order, suggestion, proposal, advice, demand, order, requirementrequirem

57、ent等等他提议举行一次英语演讲比赛他提议举行一次英语演讲比赛He made a He made a suggestionsuggestion that they that they (should ) hold (should ) hold an English speech contest.an English speech contest.医生建议我们多注意自己的身体。医生建议我们多注意自己的身体。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.虚拟语气在某虚拟语气在某些从句中的运用些从句中的运用主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句

59、同位语从句状语从句状语从句虚拟语气用于状语从句虚拟语气用于状语从句1.1.由由as if as if 或或as thoughas though引导的引导的状语从句状语从句可以用虚拟语气表可以用虚拟语气表示示与事实不符或与事实相反与事实不符或与事实相反的情况的情况2.2.目的状语从句目的状语从句The teacher treats the pupil The teacher treats the pupil as if as if hehe were were her own child. her own child. 这位老师对待这位学生就像自己的亲生孩子一样。这位老师对待这位学生就像自己的亲生孩子一样。（这位学生并不是她的亲生孩子）（这位学生并不是她的亲生孩子） I felt I felt as though as though we we had known had known each other for years.each other for years. 我感觉我们好像认识多年了。（其实并没有认识多年）我感觉我们好像认识多年了。（其实并没有认识多年）It looks It looks as if as if it it might rainmight rain. . 天看上去好像要下雨。天看