If 引导的条件状语从句.ppt

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1、AdverbialClauseofConditionRevisionFengshanMiddleSchoolYanLiuqingIf引导的条件状语从句引导的条件状语从句时态时态:主将从现主将从现主句一般将来时一般将来时，从句一般现在时一般现在时如果你努力学习，你的梦想将会实现如果你努力学习，你的梦想将会实现Ifyoustudyhard,yourdreamwillcometrue.Ifyoucanbeaguide,youwill_导导游游guide旅游旅游haveatripIfIcanbeaguide,Iwilltakethemto_汕尾新地标汕尾新地标landmark观澜广场观澜广场 squa

2、reIfIcanbeaguide,Iwill_.海星岛栈道海星岛栈道IfIcometoShanwei,Iwillgoto_.WildAnimals!Whatanimalsdoyouwanttosee?Why?cuteinterestingfunsmartlazybeautifulIfIgotothezoo,Iwillgotoseethepandas.Becausetheyare_.pandaIfIgotothezoo,Iwillseethe_.koalapandatigergiraffelionpenguindolphinelephantWhydoIwanttogotothezoo?1.1.I

3、fI_(go)totheZoo,I_(learn)alotaboutanimals.2.2.IfI_(have)somemoretime,I_(watch)thedolphinshow.3.3.IfI_(watch)theanimalscarefully,I_(get)informationformyreport.4.4.IfI_(finish)myreport,I_(be)veryhappy.gowilllearnhavewillwatchwatchwillgetfinishwillbeIf+主主+V原形原形(三单，不可名）三单，不可名）,主主+will+V原形原形Exercise 1 If

4、引引导导的条件状的条件状语语从句从句 从句谈论的是一个从句谈论的是一个有可能发生的事实有可能发生的事实，以其产生的相关结果。以其产生的相关结果。从句用从句用_ ，主句用，主句用_。主将从现主将从现一般现在时一般现在时一般将来时一般将来时3.Letsgotothezooifyouarefree.2.IfIgotothezoo,Icanseetheanimals.1.Ifshecomestomyparty,Iwillbehappy.（祈使句）（祈使句）（含有情态动词）（含有情态动词）Questions:1.Howlongwillittakeus?2.Howmuchistheticket?3.Whe

5、rewillwehavelunch?4.Whattimewillwegetback?1.Howlongwillittakeus?go,by,take,about40minutesIfwe,itwillIfwegobybus,itwilltakeusabout40minutes.Itwilltakeusabout40minutesifwegobybus.2.Howmuchistheticket?Ifyoubuyticketsforchildren,youwillpay25yuaneach.Youwillpay25yuaneachifyoubuyticketsforchildren.Ifyou,y

6、ouwillChildren￥25eachbuypay3.Wherewillwehavelunch?notrain,haveapicnicIfit,wewillIfitdoesntrain,wewillhaveapicnic.Wewillhaveapicnicifitdoesntrain.4.Whattimewillwegetback?traffic,notbusy,getbackIf,wewillIfthetrafficisnotbusy,wewillgetbackat5:00pm.Wewillgetbackat5:00pmifthetrafficisnotbusy.1.Ifwegobybu

7、s,itwilltakeusabout40minutes.Itwilltakeusabout40minutesifwegobybus.2.Ifyoubuyticketsforchildren,youwillpay25yuaneach.Youwillpay25yuaneachifyoubuyticketsforchildren.3.Ifitdoesntrain,wewillhaveapicnic.Wewillhaveapicnicifitdoesntrain.4.Ifthetrafficisnotbusy,wewillgetbackat5:00pm.Wewillgetbackat5:00pmif

8、thetrafficisnotbusy.说明：说明：（1）if引导的条件状语从句位置灵活，可放在句首，也引导的条件状语从句位置灵活，可放在句首，也 可位于主句的后面。可位于主句的后面。（2）if从句位于句首时，后面通常加逗号，和主句隔开。从句位于句首时，后面通常加逗号，和主句隔开。（）1.Youaresuretopasstheexam_youstudyhard.A.ifB.thoughC.thatD.since（）2.Ifwe_takeenvironmentalproblemseriously,theearth_worseandworse.A.dont;wontbeB.wont;isntC.w

9、ont;isD.dont;willbe（）3.Ifhe_toomuchTV,hismotherwill_.A.watch;angryB.watched;beangryC.watches;beangryD.willwatch;beangry（）4.WewillgototheGreatWallifit_tomorrow.A.wontrainB.isntrainingC.rainedD.doesntrainADCDExercise 2 难点突破难点突破Eg:Idontknowifit_tomorrow.Ifit_,Iwillstayathome.A.willrain,willrainB.rains,

10、rainsC.willrain,rains（如果如果）（是否是否）Idontknowifshewillcometomypartytomorrow.Ifshecomestomyparty,Iwillbehappy.当当if意思意思为为时时，引，引导导状状语语从句；从句；主将从主将从现现If引引导导的条件状的条件状语语从句和从句和宾语宾语从句的区从句的区别别：当当if意思意思为为_时时，引，引导宾语导宾语从句；从句；If可用将来可用将来时时是否是否 如果如果拓展拓展 除了除了ifif之外，是否还有其他连词可以引导之外，是否还有其他连词可以引导条件状语从句呢？条件状语从句呢？Unlessbadwea

11、therstopsme,Iwillgoforawalkeverymorning.unless 除非，若不，如果不除非，若不，如果不，除非在，除非在时候时候 unless=if not 除非天气不好，我每天早晨都去散步。除非天气不好，我每天早晨都去散步。（）1 1-Idontknowifhe_.-Hewillcomeifit_.A.comes;wontrainB.willcome;doesntrainC.comes;doesntrainD.willcome;wontrain（)2.)2.-IwanttoknowifMaria_usinthefashionshowtonight.-Ifshe_he

12、rhomework,shewilljoinus.A.join;finishesB.willjoin;finishesC.joins;willfinishD.willjoin;willjoin（）3.3.-Canyouguessifthey_speakingEnglishwithus?-Ithinktheywilldoifthey_free.A.willpractice;areB.willpractice;willbeC.practicing;beingD.practice;are（）4.4.-Couldyoutellmeifyourmother_ourschoolsportsmeetingto

13、morrow?-Ithinkshewillcometoschoolifshe_free.A.willtakepartin;willbeB.takepartin;isC.willtakepartin;isD.takepartin;willbeB BB BA AC CExercise 3 广东真题广东真题(2016)(2016)()1.)1.Unlesstheweather_,wewillhavetocancelthepicnic.A.improveB.improvesC.improvedD.willimprove(2013)(2013)()2.)2.IfNancy_theexam,shewill

14、gotoAustraliaforEnglishstudy.A.passB.passedC.passesD.willpass(2012)(2012)()3.)3.Ifourgovernment_attentiontocontrollingfoodsafetynow,ourhealth_indanger.A.wontpay;isB.doesntpay;isC.wontpay;willbeD.doesntpay;willbe(2011)(2011)()4.)4.-Letsgofishingifit_thisweekend.-Butnobodyknowsifit_.A.isfine;willrainB

15、.willbefine;rainsC.willbefine;willrainD.isfine;rainsB BC CD DA ASummary If If 引导的条件状语从句引导的条件状语从句i if f意为如果，表示条件，意为如果，表示条件，ifif引导的句子引导的句子从句从句用用，主句则用，主句则用_也就是所谓的也就是所谓的_ 一般现在时一般现在时一般将来时一般将来时“主将从现主将从现”温馨提示温馨提示:ifif引导的条件状语从句既可放在主句引导的条件状语从句既可放在主句前前,也可放在主句后也可放在主句后.从句置于主句前时从句置于主句前时,须有逗须有逗号与主句隔开号与主句隔开,反之则不用逗

16、号。反之则不用逗号。If 的用法1.1.引导引导条件状语条件状语从句：从句：“如果如果”，“假如假如”（1 1）主句）主句+if+if从句从句 （2 2）主句（含有情态动词）主句（含有情态动词）+ifif从句从句（3 3）祈使句）祈使句+if+if从句从句2.2.引导引导宾语从句宾语从句：“是否是否”，表示不确定的概念。，表示不确定的概念。状语从句状语从句的分类的分类 They tried their best,so they won.2.时间时间状语从句状语从句1.条件条件状语从句状语从句3.地点地点状语从句状语从句4.原因原因状语从句状语从句5.目的目的状语从句状语从句6.让步让步状语从句

17、状语从句7.结果结果状语从句状语从句If you try it,you will like it.I will call you when I see him.The Greens will visit Hainan as soon as they come to China.Where there is water,there is life.Because he likes the game,he works hard.He works hard so that he can win.Even though he wins,he is not happy.Question1Whatwill

18、happentopandasifwedonotprotectthem?Question2Whatwillhappentousifallthewildanimalsdie?Ifwedontprotecttheenvironment,wewill_.air pollutionwater pollutionnoise pollution广东正在创广东正在创文文，创卫，创卫，城市需要改善环境情况：城市需要改善环境情况：1.描述一下目前环境污染的状况。描述一下目前环境污染的状况。2.该采取哪些措施该采取哪些措施（尽可能用尽可能用IfIf引导的条件状语从引导的条件状语从句来表达：句来表达：if we if we,will,will)(1)(1)节约用水（节约用水（如果不如果不节约用水节约用水，将没水用）将没水用）(2)(2)自带购物袋购物（如果用购物袋，将减少垃圾）自带购物袋购物（如果用购物袋，将减少垃圾）(3)(3)走路上学（走路上学（如果少点人开车，将少点空气污染）如果少点人开车，将少点空气污染）(4)(4)垃圾不落地，汕尾更美丽！垃圾不落地，汕尾更美丽！HomeworkKey words:save,shopping bag,reduce,rubbish(litter),fewer people,drive,less,Writing