本节是人教新目标版八年级英语下册_Unit5_Section_A第一课时课件.ppt

Enjoythesong,Ifyouarehappy,IfIamhappy,Iwillsmile.Iftheyarehappy,theywillsinganddance.,IfIamhappy,Iwillsmile.,*Ifyoubecomesad,whatwillyoudo?,IfIbecomesad,Iwillcry.,*Ifyouarehappy,whatwillyoudo?,SectionA,Unit5Ifyougototheparty,youllhaveagreattime!,Period1,Aim:教学目标：1.知识目标：正确运用if引导的条件状语从句Ifyougototheparty,youwillhaveagreattime.Ifyoudo,youwillbelate.2.能力目标:能用if引导的条件状语从句作出假设,用will谈论结果。3情感目标：a.本课时围绕party展开话题，学生要积极参与英语实践活动。b.谈论自己的感受，同时使学生在英语交流中注意并观察他人的情感4、学习策略目标a.通过小组讨论，开展调查等研究，明确在用中学，交流中学习的想法。b.通过猜测，并大胆的表达，以学习新知识。5、文化意识目标a.培养听力，口语交际及逻辑判断的能力。b.用恰当的方式表达自己的感受。,Sheiswalkingtoschool.,Theyaretakingthebustoschool.,Sheislate.,Youshouldtakethebus.Youshouldntwalktoschool.Ifyouwalktoschool,youwillbelate.,Sheisdoingherhomework.,Ifyouarehard-working,youwillgetA.,ShegetsA.,Ifyouhavearobot,whatwillyoudo?,playgames,cleanmybedroom,dothelaundry,Hint:Iwillletit,Willyoubuyicecream?,Whatwillhappen?,Yes,Iwill.IfIbuyicecream,Iwillhavetowalkhome.No,Iwont.IfIdontbuyicecream,Iwillbeabletotakethebus.,Ifyouwalktoschool,youwillbelate.Ifyouarehard-working,youwillgetA.Ifyouhavearobot,youwillletitdothelaundry.IfIbuyicecream,Iwillhavetowalktohome.IfIdontbuyicecream,Iwillbeabletotakethebus.,Ifyouwalktoschool,youwillbelate.Ifyouarehard-working,youwillgetA.Ifyouhavearobot,youwillletitdothelaundry.IfIbuyicecream,Iwillhavetowalktohome.IfIdontbuyicecream,Iwillbeabletotakethebus.,Whatwillhappentomorrow?,Itwillbesunnytomorrow.,Theywillplayfootballtomorrow.,用if合并成一句,Theywillplayfootballifitissunnytomorrow.,Ifitissunnytomorrow,theywillplayfootball.,if,is,Willbe,if“如果”，引导的条件状语从句,主句一般将来时，从句一般现在时,2条件状语从句通常由连词if引导，意为“如果、假如”，主句不能用begoingto表示将来，而应该用will,shall(主语为第一人称）,1.Ifshe(come)heretomorrow,I(ask)hertocallyou.2.Ifwe(work)harder,we(get)bettergrades.,comes,willask,work,willget,Whatwillhappenifyousleepinclass?,IfI_inclass,I_(get)badgrades.,IwillgetbadgradesifIsleepinclass.,sleep,willget,温馨提示:if引导的条件状语从句既可放在主句前,也可放在主句后.从句置于主句前时,须有逗号与主句隔开,反之则不用逗号.,Multiplechoice,1.Ifitrainstomorrow,we_visitthemuseum.AdontdoBwontgoCarentgoDdidntgo.2Willyougototheparkifit_fine?AwillbeBwasCisD/3Ifyou_toschoollate,yourteacher_angrywithyou.Acome;areBcome,willbeCwillcome;areDwillcome;willbe4Ifyou_hard,youwill_successful.Awork,areBworks,isCtowork,beDwork,be5IfI_toomuchTV,mymotherwill_.Awatch,angryBwatched,beangryCwatch,beangryDwillwatch,beangry,B,C,B,D,C,如果明天下雨，我将弹钢琴。Ifitisrainytomorrow,Iwillplaythepiano.,Lookatthepictureandmakeupsentencesusing“if”.,Exercisehealthy,如果我锻炼，我将健康。IfIexercise,Iwillbehealthy.,(1)ifwillshe,callme,I,tellheraboutit,Ifshecallsme,Iwilltellheraboutit.,(2)he,havefreetime,gotoShanghai,(3)I,havemuchmoney,buyabighouse,Ifhehasfreetime,hewillgotoShanghai.,IfIhavemuchmoney,Iwillbuyabighouse.,Makeupsentencesusing“if”.,Whatwillhappenifyouarelateforschool?(IfI,myteacherwill),IfIamlateforschool,myteacherwillbeangrywithme.,MyteacherwillbeangrywithmeifIamlateforschool.,teacher,Whatwillhappenifyourteacherisangrywithyou?(Ifmyteacher,Iwill),Ifmyteacherisangrywithme,Iwillbesad.,Iwillbesadifmyteacherisangrywithme.,IfI_hard,I_(get)goodgrades.,IwillgetgoodgradesifIstudyhard.,Whatwillhappenifyoustudyhard?,study,willget,一条牛仔裤apairofjeansletsbin让某人进入（来）是动副结构代词是宾语时必须放在中间。其反义词为letsbout让某人出去别让那个男孩儿进来！Dontlettheboyin!让他出去！Lanizethepartygames组织聚会游戏,A:IthinkIamgoingtotheparty.,B:Ifyoudo,youwillhaveagreattime.,=Ifyougototheparty,youwillhaveagreattime.,Task1:Guessandlink,IthinkImgoingtogotoaIfyoudo,thethepartywithKarenandAnn.teacherswontletyouin.IthinkImgoingtowearbIfyoudo,youlljeanstotheparty.belate.3.IthinkImgoingtotakecIfyoudo,youllthebustotheparty.besorry.IthinkImgoingtostaydIfyoudo,youllathome.haveagreattime.,Task2:listenandcheck,IthinkImgoingtogotoaIfyoudo,thethepartywithKarenandAnn.teacherswontletyouin.IthinkImgoingtowearbIfyoudo,youlljeanstotheparty.belate.3.IthinkImgoingtotakecIfyoudo,youllthebustotheparty.besorry.IthinkImgoingtostaydIfyoudo,youllathome.haveagreattime.,A:Whatareyougoingtodo?BIthinkImgoingtostayathome.A:Ifyoudo,youllbesorry.,Pairwork,1c,A:Whatareyougoingtodotomorrow?B:IthinkImgoingto.A:Ifyoudo,youwill.,stayathomebored,workuntilnighttired,Pairwork,hangoutwithfriends/haveagoodtime,2aListenandnumberthesephrasesintheorderyouhearthem.（听对话，按听到词组的顺序编号。）,a.studyfortheirtestsb.helpmeorganizeitc.tooearlyd.makesomefoode.Saturdayafternoonf.playpartygames,1,2,3,4,5,6,Andrea,Mark,2b:listenagainandanswerthequestions.,Markisgoingtoorganizethepartygames.,Somestudentswillbebored.,Studentswillleaveearlytostudyfortheirtest.,Halftheclasswontcome.,Andreaisgoingtomakesomefood.,Mark,Andrea,2cPairworkLookatthechartandroleplaytheconversationbetweenAndreaandherfriend.,A:OK,whenisagoodtimetohavetheparty?B:Letshaveittoday.A:Ifwehaveittoday,halftheclasswontcome.,Whenisagoodtimetohavetheparty?举行聚会的最佳时间是在什么时候？tohavetheparty是动词不定式作后置定语，修饰名词time(agoodtimetodosth)不定式作定语时，常放在被修饰的词语之后.Wouldyoulikesomething_?A.drinkB.drinkingC.todrinkD.drinks.Ihavealotofhomework_.A.doB.doingC.didD.todo,C,D,Halftheclasswontcome.一半的同学将不会来。half的用法：1halfadj.一半的，一般要放在冠词、物主代词或指示代词之前。半小时_“half+名词”作主语时，谓语动词的单、复数形式由所接名词的单、复数形式来决定，名词是中心词。Halftheapples_bad.这些苹果中有一半是坏的。Halftheapple_bad.这个苹果一半是坏的2Half还可作名词，意为“半，一半”其复数形式为_.“个半”可表达为“数词+名词+andahalf”或“数词+andahalf+名词（复数）”。例如：三个半小时threehoursandahalfthreeandahalfhours,halfanhour,are,is,halves,Exercises,Fillintheblankswiththewordsgiven.,ThestudentswillgototheGreatWallifit_(notrain)tomorrow.Ifhe_(notdo)hishomework,hellbelate.Ifshelikesit,she_(read)itsoon.Ifyouplaycomputergamesonweekdays,you_(be)tired.IfyouwatchTVtonight,you_(notstudy)forthetest.,doesntrain,doesntdo,willread,willbe,wontstudy,Idontknowifmybrother_(come)tomorrow.Ifhe_(come),Illbehappy.注意宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”相当于whether，宾语从句通常位于主句之后。引导宾语从句，时态需根据语境确定。我不知道明天是否会下雨。Idontknowifit_(rain)tomorrow.,willcome,comes,willrain,用所给词的正确形式填空。1.Ifyou_(be)late,theteacherwillbeangry.2.Wedontknowifit_tomorrow(snow).3.He_(become)asoccerplayerifheworkshard.4.You_(be)famousifyousingwell.,are,willsnow,willbecome,willbe,5Halfofthesebananas_(be)bad.6Halfoftheboys_(like)basketball.,are,like,Makeasurvey,Askthreestudents:Whatwillyoudoifwehavenolessonstomorrow？Thenmakeareportlikethis:Ifwehavenolessonstomorrow,LiYanwillgotothemovies,.,DearJenny,Thanksforinviting（邀请）metotheparty.Ofcourse,present,youarehappy.Ihopeitwontrainthatday.,Becauseifitwontrain,mylittlesonwillcome,too.,Ifhecomes,youarentdisappointed,heisreallyfunny.,OK,seeyouontheparty.,Yours,willbe,doesnt,give,wontbe,Illgototheparty.AndIthinkifIwillgiveyoua,Pleasehelpmecorrectthesentences.,Rose,CorrectandWrite,（礼物）,Multiplechoice,1.Ifitrainstomorrow,we_visitthemuseum.AdontdoBwontgoCarentgoDdidntgo.2Willyougototheparkifit_fine?AwillbeBwasCisD/3Ifyou_toschoollate,yourteacher_angrywithyou.Acome;areBcome,willbeCwillcome;areDwillcome;willbe4Ifyou_hard,youwill_successful.Awork,areBworks,isCtowork,beDwork,be5IfI_toomuchTV,mymotherwill_.Awatch,angryBwatched,beangryCwatch,beangryDwillwatch,beangry,B,C,B,D,C,if引导的条件状语从句时态,主将从现,祈使句,情态动词,IwillsingasongifIamhappy.,主句,从句,Dontcrosstheroadifthelightisred,Youmuststopifthetrafficlightisred.,Summary,条件状语从句1.常用关联词if（如果）进行引导。2.if引导的状语从句可放在主句前，也可在主句后3.主句谓语动词是一般将来时，从句时态通常用一般现在时。,Homework,GradeA:Writefivesentenceswithifstructure.Recite1a.GradeB:TranslatethefollowingsentencesintoEnglish.GradeC:Copy1aandtranslatethem.,Now,itstimeforustorelax!,ThankyouandGoodbye!,Dontwearjeans!,Ifyouwearjeans,wewontletyouin.,letsbin让某人进入letsbout让某人出去,Ifyoudo,theteacherswilltakeitaway.,Dontbr