《条件状语从句》PPT课件.ppt

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1、1.1.If If the weather the weather isis good,we good,we willwill go out tomorrow.go out tomorrow.2.If2.If I I werewere you,I you,I would studywould study hard.hard.3.3.If If you you heatheat the ice,it the ice,it turnsturns to water.to water.First conditionalFirst conditional:真实从句真实从句,条件有可能实现的条件有可能实现

2、的 SecondSecond conditional:conditional:非真实从句非真实从句,不可能实现的不可能实现的,与现在事实相反与现在事实相反 Zero conditional:Zero conditional:零条件从句零条件从句,客观事实客观事实,有先后次序有先后次序 123IfIf从句从句:一般现在时，主句：将来时一般现在时，主句：将来时条件从句为：条件从句为：If+If+主语主语+动词过去式；动词过去式；主句为：主语主句为：主语+would/should+would/should+动词原形动词原形IfIf从句从句:一般现在时，主句：一般现在时一般现在时，主句：一般现在时Pa

3、ge78 Ex.1 Conditional 2(第二条件第二条件)for advice.2.If I were you,I would ask the teacher.2.If I were you,I would ask the teacher.3.If I were you,I would buy a new computer.3.If I were you,I would buy a new computer.4.If I were you,I would given up cakes and 4.If I were you,I would given up cakes and bisc

4、uits.biscuits.5.If I were you,I would have a party.5.If I were you,I would have a party.6.If I were you,I would be a doctor.6.If I were you,I would be a doctor.Page78 Ex.2 Conditional zero(零条件零条件)for something that is always true.2.usually get a better job2.usually get a better job3.pass his exams3.

5、pass his exams4.always see something I like4.always see something I like5.is always late.5.is always late.6.always tells everybody.6.always tells everybody.5 There are There are three three conditional sentences in this conditional sentences in this article.Find and underline them in the text.articl

6、e.Find and underline them in the text.1.If you dont want to fall behind in todays competitive job market,you have to commit yourself to life-long learning.(para.1)2.These habits are useful but you wont learn effectively unless you have the right attitude.(para.3)3.If you invest time in developing yo

7、ur study skills now,youll be enjoying the rewards for the rest of your life.(Para.4)4.Third conditional4.Third conditional与过去事实相反的虚拟条件句与过去事实相反的虚拟条件句 Listen to the interview with the first person who Listen to the interview with the first person who is talking about his is talking about his life-long

8、 learning experiencelife-long learning experience.Fill in the table with the correct information.Fill in the table with the correct information.Name SubjectReasons for studyHow did he studyResult of his effortSun WenxiongComputer engineeringgive himself a second chance to study for a degreeby distan

9、ce learningabout to graduate with a Bachelors degree and getting promoted at work6Listen to the interview,then complete the Listen to the interview,then complete the conditional sentences below.conditional sentences below.71.If someone like me _ into 1.If someone like me _ into university through co

10、llege exam,he university through college exam,he _ no chance of getting a degree._ no chance of getting a degree.2.If a person _ for a company for over 20 2.If a person _ for a company for over 20 years,he _ there until retirement.years,he _ there until retirement.3.In the past if I _ my 3.In the pa

11、st if I _ my grandchildren,I _ them in grandchildren,I _ them in person.person.had failed to gethad failed to get would have hadwould have had had workedhad worked would have stayedwould have stayedhad wanted to seehad wanted to seewould have had to visitwould have had to visit8Look at the sentence

12、from the interview and Look at the sentence from the interview and answer the questions.answer the questions.If I had wanted to see my grandchildren,I would have had to visit them in person.a)a)What time is Grandma Chen talking about:past,What time is Grandma Chen talking about:past,present or futur

13、e?present or future?b)b)b)What happened:Did she travel to see them?b)What happened:Did she travel to see them?pastNo!The pattern of the Third Conditional.The pattern of the Third Conditional.If sb.+_,sb._ _+If sb.+_,sb._ _+third third form of the verb.form of the verb.had donehad donewouldwouldhave

14、donehave donecouldcouldmightmight虚拟语气从句用在与虚拟语气从句用在与过去事实相反过去事实相反的条件句中的条件句中,条件句中条件句中的谓语用的谓语用had+had+过去分词过去分词,结果主句的谓语用结果主句的谓语用would+have+would+have+过去分词过去分词:如果我早点离开如果我早点离开,我就赶上公共汽车了。我就赶上公共汽车了。If If I I had lefthad left earlier,I earlier,I would have caughtwould have caught the bus.the bus.如果我想起了那件事如果我想

15、起了那件事,我是会向母亲谈及的。我是会向母亲谈及的。If If I I had thought ofhad thought of it,I it,I would have talkedwould have talked to mother.to mother.*注意注意:1.不可将不可将If从句中的谓语动词所用的形式误认为过从句中的谓语动词所用的形式误认为过 去完成时去完成时,它仅是它仅是虚拟语气虚拟语气的一种表达形式的一种表达形式.2.在主句中在主句中,若主语是第一人称若主语是第一人称,也可用也可用should have+过去分词构成谓语过去分词构成谓语.shouldshould*注意注意:

16、3.主句或从句中的谓语动词构成否定式的时候主句或从句中的谓语动词构成否定式的时候,应分别在主句中的应分别在主句中的would的后面或的后面或if从句中的从句中的had 的的后面加上后面加上not.If sb.+_,sb._ If sb.+_,sb._ _+third form of the verb._+third form of the verb.had not donehad not donewould notwould nothave donehave done如果昨天晚上没有去看电影的话如果昨天晚上没有去看电影的话,你就完成了那份报告了。你就完成了那份报告了。If you had If

17、 you had notnot gone to the cinema last night,you gone to the cinema last night,you would have finished the report.would have finished the report.如果你告诉过我如果你告诉过我,我就不会浪费那么多时间。我就不会浪费那么多时间。If you had told me that,I would If you had told me that,I would notnot have wasted so have wasted so much time.much

18、 time.*注意注意:4.if 有时可以省略有时可以省略,但但if后面部分需改为倒装句语序后面部分需改为倒装句语序.Had youHad you told me that,I would not have wasted so told me that,I would not have wasted so much time.much time.(一一)用所用所给动词给动词的适的适当当形式形式填填空空:1.If you _(listen)to me,you 1.If you _(listen)to me,you _ (not make)that mistake._ (not make)that

19、 mistake.2.If the boy _(not climb)the tree 2.If the boy _(not climb)the tree yesterday,he yesterday,he _(not break)his (not break)his leg.leg.3.If you _(come)to the class in time this 3.If you _(come)to the class in time this morning,the teacher _(not be)so morning,the teacher _(not be)so angry.angr

20、y.4.If we _(meet)each other the other day,I 4.If we _(meet)each other the other day,I _(have)a heart-to-heart talk with _(have)a heart-to-heart talk with you.you.5.If you _(be)there yesterday,you 5.If you _(be)there yesterday,you _(see)the famous movie star._(see)the famous movie star.had listenedha

21、d listenedwould not have madewould not have madehadnt climbedhadnt climbedwouldnt have brokenwouldnt have brokenhad comehad comewouldnt have beenwouldnt have beenhad methad metwould have hadwould have hadhad beenhad beenwould have seenwould have seen(二二).).选择选择正确的答案正确的答案:1.If you _ home last night,y

22、ou would have 1.If you _ home last night,you would have watched the exciting football match.watched the exciting football match.A.stayed B.was staying A.stayed B.was staying C.would stay D.had stayed C.would stay D.had stayed 2.If you _ so careless,you wouldnt have 2.If you _ so careless,you wouldnt

23、 have broken the laptop computer.broken the laptop computer.hadnt been B.werenthadnt been B.werentC.isnt D.wouldnt beC.isnt D.wouldnt be3._ you helped me,I wouldnt have made so 3._ you helped me,I wouldnt have made so much progress in my work.much progress in my work.Didnt B.WouldntDidnt B.WouldntC.

24、Hadnt D.CouldntC.Hadnt D.CouldntDAC4.If your sister _ me that,I _ in such a 4.If your sister _ me that,I _ in such a hurry.hurry.A.had told;wouldnt have left A.had told;wouldnt have left B.had told;wouldnt leave B.had told;wouldnt leave C.didnt tell;wouldnt have left C.didnt tell;wouldnt have left D

25、.hasnt told;wouldnt leave D.hasnt told;wouldnt leave5.If my mom hadnt been ill,I _ to Beijing with 5.If my mom hadnt been ill,I _ to Beijing with you last week.you last week.A.would go A.would go B.would have gone B.would have gone C.had gone C.had gone D.have gone D.have goneAB9Which of the conditi

26、onal sentences is correct Which of the conditional sentences is correct in each context?in each context?1.A storm broke out and the boat sank.1.A storm broke out and the boat sank.a)If the storm hadnt broken out,the boat wouldnt a)If the storm hadnt broken out,the boat wouldnt have sunk.have sunk.b)

27、If the storm had broken out,the boat would have b)If the storm had broken out,the boat would have sunk.sunk.2.The weather was good so we went out.2.The weather was good so we went out.a)If the weather hadnt been good,we wouldnt a)If the weather hadnt been good,we wouldnt have gone out.have gone out.

28、b)If the weather was good,we would go out.b)If the weather was good,we would go out.10Complete the Third Conditional sentences by Complete the Third Conditional sentences by putting the verbs in brackets in the correct forms.putting the verbs in brackets in the correct forms.1.If the exam _(not be)s

29、o difficult,I 1.If the exam _(not be)so difficult,I _(pass)._(pass).2.If he _(put on)a tie,they 2.If he _(put on)a tie,they _(allow)him to enter the restaurant._(allow)him to enter the restaurant.3.If he _(not apologies),I 3.If he _(not apologies),I _(not give)him a birthday _(not give)him a birthda

30、y presentpresent4.If they _(not argue),they 4.If they _(not argue),they _(spend)the weekend together._(spend)the weekend together.5.If he _(not be)sick,he _ 5.If he _(not be)sick,he _(join)us for the tour.(join)us for the tour.6.If it _(rain),we _(go 6.If it _(rain),we _(go)to the beach.)to the beac

31、h.hadnt beenhadnt beenwould have passedwould have passedhad put onhad put onwould have allowedwould have allowedhadnt apologizedhadnt apologizedwouldnt have givenwouldnt have givenhadnt arguedhadnt arguedwould have spentwould have spenthad not beenhad not beenwould have joinedwould have joinedhadnt

32、rainedhadnt rainedwould have gonewould have goneHomework:Review:IfReview:If引导的条件状语从句引导的条件状语从句:1234First conditionalFirst conditional:真实从句真实从句,条件有可能实现条件有可能实现 SecondSecond conditional:conditional:非真实从句非真实从句,不可能实现的不可能实现的,与现在事实相反与现在事实相反 Zero conditional:Zero conditional:零条件从句零条件从句,客观事实客观事实,有先后次序有先后次序 Th

33、ird conditional:Third conditional:虚拟语气条件从句虚拟语气条件从句,与过去事实相反与过去事实相反IfIf从句从句:一般现在时，主句：将来时一般现在时，主句：将来时从句为：从句为：If+If+主语主语+动词过去式；动词过去式；主句为：主语主句为：主语+would/should+would/should+动词原形动词原形IfIf从句从句:一般现在时，主句：一般现在时一般现在时，主句：一般现在时If sb.+_,sb._ _+If sb.+_,sb._ _+third third form of the verb.form of the verb.had doneh

34、ad donewouldwouldhave donehave donePage78 Ex.3 The form of conditional 3 Match the beginning and the end of these sentences.1.If I hadnt told you1.If I hadnt told you2.We could have run 2.We could have run out of money out of money3.If the weather had 3.If the weather had been better been better4.Wo

35、uld you have gone 4.Would you have gone to Germany on holiday to Germany on holiday5.I wouldnt have bought5.I wouldnt have bought that motorbike that motorbike6.Could you have done 6.Could you have done better in the exam better in the exama)you wouldnt have brokena)you wouldnt have brokenb)if you h

36、ad spoken German?b)if you had spoken German?c)if you had started revising c)if you had started revising earlier?earlier?d)if we hadnt borrowed some.d)if we hadnt borrowed some.e)if Id known how slow it wase)if Id known how slow it wasf)we could have gone out moref)we could have gone out morePage78 E

37、x.4 Conditional 3 Look at this situation from the past and write a story based on it.2.If I hadnt got this job,I wouldnt have met Pauline.1.If I hadnt gone to London,I wouldnt have got this job.3.If I hadnt met Pauline,I wouldnt have fallen in love.4.If I hadnt fallen in love,I wouldnt have got marr

38、ied.5.If I hadnt got married,I wouldnt have had children.6.If I hadnt had children,I wouldnt have bought this computer game.7.If I hadnt bought this computer game,I wouldnt have had the idea for a computer company.8.If I hadnt had the idea for a computer company,I wouldnt have started the factory.9.

39、If I hadnt had the started the factory,I wouldnt have gone to London.If sb.+_,sb._ If sb.+_,sb._ _+third form of the verb._+third form of the verb.had had notnot done donewould would notnot have donehave donePage79 Ex.5 Conditional 1(真实从句真实从句)1.If I finish my homework1.If I finish my homework2.Yes,a

40、nd if I wasnt so 2.Yes,and if I wasnt so busy busy3.Yes,if my parents 3.Yes,if my parents werent both at work all day werent both at work all day4.If I have time to buy the 4.If I have time to buy the butter and flour and butter and flour and everything everything5.If he passes his exams5.If he pass

41、es his exams6.Well,if I saved all my 6.Well,if I saved all my pocket money pocket moneya)Ill make you a cakea)Ill make you a cakeb)wed get a dogb)wed get a dogc)Ill come about sevenc)Ill come about sevend)Id help him.d)Id help him.e)I still wouldnt have enough e)I still wouldnt have enough for an ex

42、pensive present for an expensive presentf)he willf)he willPage79 Ex.5 Conditional 1(真实从句真实从句)&conditional 2(非真实从句非真实从句).2.If I 2.If I havehave time to buy the butter and flour and time to buy the butter and flour and everything,everything,IllIll make you a cake.make you a cake.3.Yes,if my parents 3.

43、Yes,if my parents werentwerent both at work all day,both at work all day,we we wouldwould get a dog.get a dog.4.Well,if I 4.Well,if I savedsaved all my pocket money,I still all my pocket money,I still wouldntwouldnt have enough for an expensive present.have enough for an expensive present.5.Yes,and

44、if I 5.Yes,and if I wasntwasnt so busy so busy IdId help him.help him.6.If he 6.If he passespasses his exam he his exam he willwill.11222Page79 Ex.6 Conditional Zero,1,2,and 32.I 2.I wouldntwouldnt tell Sarah the bad news yet tell Sarah the bad news yet if if I I were were you.you.3.The journalist 3

45、.The journalist wouldntwouldnt havehave the story the story unlessunless shedshed believedbelieved it was true at the time.it was true at the time.4.Jean 4.Jean wouldwould havehave beenbeen able to do English at able to do English at university university if if she she waswas as good as it as you ar

46、e.as good as it as you are.5.5.WedWed be able to play football tomorrow be able to play football tomorrow if if it it stoppedstopped raining now.raining now.6.Laura never 6.Laura never wantswants to eat any breakfast to eat any breakfast unlessunless she she goesgoes for an early morning run.for an

47、early morning run.7.I 7.I wouldwould havehave givengiven you the letter you the letter if if it it arrivedarrived before you left.before you left.232202Page79 Ex.7 Correct the wrong sentences.2.If we 2.If we livelive in London in London IdId gogo to the theatre every to the theatre every night.night

48、.3.If I 3.If I gotgot a horse for my birthday I a horse for my birthday I wouldwould taketake riding riding lessons.lessons.4.I 4.I wontwont crosscross the road there,if I the road there,if I werewere you.you.5.5.IllIll askask Peter this evening if he Peter this evening if he camecame to the club.to

49、 the club.wouldntlivedcomesa)a)a rule,something thats always truea rule,something thats always trueb)b)b)a piece of adviceb)a piece of advicec)c)c)a future situation that is unlikely to happenc)a future situation that is unlikely to happend)d)d)a future situation that is possible d)a future situation that is possible e)e)e)a present situation that is impossiblee)a present situation that is impossibleecbd