人教版八年级英语下册《Unit5WhatwereyoudoingwhentherainstormcameSectionAGrammarfocus-4》ppt课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2016/12/21,#,Unit5,Unit5,1,Whatwereyoudoing,whentherainstormcame?,Unit5,WhatwereyoudoingUnit5,2,SectionA3,Grammarfocus-4c,zX.x.K,SectionA3zX.x.K,3,【,学习目标,】,1.,能够熟记并正确使用下列单词和短语：,havealookicykidrealize,。,2.,继续学习如何正确使用过去进行时。,3.,能够理解并正确使用,when,和,while,两个词。,4.,能够利用,when,和,while,描述自己的日常生活。,【学习目标】,4,人教版八年级英语下册Unit5WhatwereyoudoingwhentherainstormcameSectionAGrammarfocus-4ppt课件,5,Whatwereyoudoingwhenthe,rainstormcame?,I,wastakingashower,.,WWW.ZXXK.COM,WhatwereyoudoingwhentheIwastak,6,I,wassleeping,.,Iwassleeping.,7,I,wascooking,.,Iwascooking.,8,I,wascuttinghair,.,Iwascuttinghair.,9,I,wasreading,.,Iwasreading.,10,WhenI,Hewasdoing,WhenIcalledhimup,hewassleeping.,Makeupthesentences.,Lookandsay,WhenIHewasdoingWhenIcalledhi,11,WhenI,Hewasdoing,WhenIreadthenewspaper,hewaswatchingTV.,WhenIHewasdoingWhenIreadthen,12,Whatwereyoudoingateightlastnight?,Iwastakingashower.,Whatwasshedoingatthetimeof,therainstorm?,Shewasdoingherhomework.,读下列句子,你能总结出句子中包含的语法吗？,WWW.ZXXK.COM,Whatwereyoudoingateightlastnig,13,Whatwashedoingwhentherainstormcame?,Hewasreadinginthelibrarywhentherainstormcame.,WhatwasBendoingwhenitbegantorainheavily?,Whenitbegantorain,Benwashelping,hismommakedinner.,WhatwasJennydoingwhileLindawas,sleeping?,WhileLindawassleeping,JennywashelpingMarywithherhomework.,Whatwashedoingwhentherainstorm,14,1.以when和while引导的时间状语从句,1),延续性动词和非延续性动词,延续性动词,指动作可以延续一段时间,而不是,瞬间结束。,如:work、study、drink、eat等。,非延续性动词,指动作极为短暂，瞬间结束。,如:start、begin、hit、jump、knock等。,1.以when和while引导的时间状语从句1)延续性动,15,2)在本单元中,出现了以when和while引导的,时间状语从句。,when,表示“当,的时候”。从句中既可用延续性,动词,又可用非延续性动词,这些动词既可以,表示动作,又可表示状态。,从句中的动作既可,和主句的动作同时发生,又可在主句的动作之前,或之后发生。,如：,Marywashavingdinner,when,Isawher.,Theboywasstillsleeping,when,hismothergot,homeyesterdaymorning.,2)在本单元中,出现了以when和while引导的,16,while,表示“在,的时候”、“在,期间”。,它强调主句的动作与从句的动作同时发生或,主句的动作发生在从句的动作过程中。While,从句中必须是表示动作或状态的延续性动词。,如：,Theweatherwasfine,while,wewereinBeijing.,Shecalled,while,Iwasout.,如果主句的动作在从句的动作过程中发生，,从句常用进行时。,如:,While,wewereswimmingsomeonestoleourclothes.,Donttalksoloud,while,othersareworking.,while表示“在的时候”、“在期间”。,17,总结,1)when可指时间点,又可指时间段,从句中,可用,延续性动词,也可用,非延续性动词。,2)while总是指一个时间段,从句中,必须用延,续性动词,。,总结1)when可指时间点,又可指时间段,从句中,18,1._Jenniferwasreadingamagazine,hissisterwaslisteningtothepopmusic.,A.WhileB.WhenC.Whattime,2.Iwastryingtodrawacatontheboard,_theteachercamein.,A.whileB.whenC.whattime,3.MybestfriendvisitedmyhousewhileI,_dinnerinthekitchen.,A.cookedB.cookingC.wascooking,练一练,A,B,C,1._Jenniferwasreadingama,19,4.When_thecar_?,In1885,A.did;inventB.was;invented,C.does;inventD.is;invented,5.Ourteacherwantsustobe_whenwetalkwiththeforeigners.,A.comfortableB.unusual,C.gratefulD.confident,B,D,4.When_thecar_?BD,20,6.DickgavemeanotewhileI_inthe,library.Iguesshemadeittosay“sorry”toyou.,A.amreadingB.wasreading,C.readsD.willread,B,6.DickgavemeanotewhileI_,21,2.过去进行时,1.概念:,表示过去某一时刻或某段时间内正进行的动作。,2.构成:,was/were+动词现在分词,3.用法:,a:,表示某一时刻正进行的行为,与特定的过去时间状,语连用,常见的时间有:at8lastnight,atthistime,atthattime,atthatmoment等,e.g.What,wereyoudoing,at10yesterdaymorning?,I,waswriting,alettertomyfatheratthatmoment.,2.过去进行时1.概念:表示过去某一时刻或某段时间内正进行的,22,b:,表示过去某段时间内正进行的动作。,e.g.We,werebuilding,ahouselastwinter.,They,werewaiting,foryouyesterday.,否定句和疑问句：,e.g.We,werenotsleeping,athome.,Washefeeling,well?,b:表示过去某段时间内正进行的动作。,23,3.现在分词的构成,1)一般动词在词尾加-ing,如,go-going,。,2)以不发音字母e结尾的动词,先去掉e,再加-ing。,come-coming,make-makingwrite-writing,3)以重读闭音节结尾的动词,如果末尾以一个,辅音字母结尾,应先双写这个字母,再加ing，,x和w结尾的除外。,如:,get-gettingswim-swimming,show-showing,3.现在分词的构成1)一般动词在词尾加-ing,如go-,24,4)以字母y结尾的单词,直接加ing。,如,carrying、playing、studying,。,5)以字母ie结尾的动词,变ie为y,再加ing。,diedyinglielying,6)以元音字母加e结尾,或以e结尾,且e发音的,动词,直接加-ing。,see-seeingbe-being,4)以字母y结尾的单词,直接加ing。,25,4.使用进行时态的注意事项,1)一些动词,如see、hear、love、like、know、,remember;understand、have等表示感情、,知觉和状态的词,一般不用于进行时态。,2)在there和here引起的句子中,常用一般现在,时代替现在进行时。,e.g.Herecomesthebus.,Theregoesthebell.,4.使用进行时态的注意事项1)一些动词,如see、hear、,26,5.过去进行时和一般过去时的区别,1),过去进行时表示过去正在进行的动作,而一般过去时则表示一个完整的动作。,如：,Theywerewritingletterstotheirfriendslastnight.,昨晚他们在写信给他们的朋友。,(没有说明信是否写完),Theywroteletterstotheirfriendslastnight.,他们昨晚写了信给他们的朋友。,(表达了他们已写好的意思,整个写的过程已完成),5.过去进行时和一般过去时的区别1)过去进行时表示过去正在进,27,2)当动作延续较长时间时或表示厌烦、赞美等,感情色彩时,常用过去进行时表示。,如：,He,wasthinking,moreofothersthanofhimself.,他考虑别人的比考虑自己的多。,(表示说话者赞扬的口气),Theboy,wasalwaysmaking,troublethen.,那时,他总是惹麻烦。(表示说话者厌烦的口气),2)当动作延续较长时间时或表示厌烦、赞美等,28,过去进行时,含义:表示,过去某个时刻,正在进行,的动作。,结构：,was/were+doing,例句：,IwashavinganEnglish,classatthistimeyesterday.,现在,进行时,含义,:,表示,现在,正在进行,的动作。,结构,：,is/am/are,+doing,例句,：,I,am,havinganEnglishclass.,6.,过去进行时含义:表示过去某个时刻现在进行时含义:表示现在6.,29,Lookatthetableandwritesentences,withboth,while,and,when,.,John,Mary,takephotos,buyadrink,playthepiano,leavethehouse,cleanhisroom,turnontheradio,shop,takethecartothe,carwash,活学活用,4a,Lookatthetableandwritesentence,30,1.WhileJohnwastakingphotos,Maryboughtadrink.,JohnwastakingphotoswhenMaryboughtadrink.,2.WhileJohnwasplayingthepiano,Maryleftthehouse.,JohnwasplayingthepianowhenMaryleftthehouse.,1.WhileJohnwastakingphotos,Mar