2014春季新版八下课件Unit5SectionA.ppt

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1、Unit 5What were you doing when the rainstorm came?,Section A Grammar Focus,What were you doing when the rainstorm came?,I was taking a shower.,I was sleeping.,I was cooking.,I was reading.,Grammar Focus,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

2、为短暂,瞬间结束。如:start、begin、hit、jump、knock等。,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:Mary was having dinner when I saw her.The boy was still sleeping when his mother got home yesterday morning.,while表示“在的时候”、“在期间”。从句中必须是表

3、示动作或状态的延续性动词。如:While we were swimming someone stole our clothes while Linda was sleeping,jenny was doing her homework.,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。,1._ Jennifer was reading a magazine,his sister was listening to the pop music.A.WhileB.When C.What time2.I

4、was trying to draw a cat on the board _ the teacher came in.(非延续性动词)A.whileB.when C.what time3.My best friend visited my house while I _ dinner in the kitchen.A.cookedB.cooking C.was cooking,练一练,A,B,C,6.Dick gave me a notewhileI _ in the library.I guess he made it to say“sorry”to you.(2007黄冈市)A.am r

5、eading B.was reading C.reads D.will read,B,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:at 8 last night,at this time at that time,at that moment 等e.g.What were you doing at 10 yesterday morning?I was writing a letter to my father at that moment.,否定句和

6、疑问句:be 动词后加note.g.We were not sleeping at home.Was he feeling well?当暴风雨来时,他正在图书馆读书。He was reading in the library when the rainstorm Came.昨晚八点我正在洗澡。I was taking a shower at eight last night.,当Mary在买饮料时,john在拍照。John was taking photos,when Mary bought a drink.当Mary离开家时,join在弹钢琴。join was playing the pia

7、no,when Mary left the house.,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-comingmake-making write-writing3)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,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。die dying

8、lie lying6)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.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.Here comes the bus.There goes the bell.,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:They wer

9、e writing letters to their friends last night.昨晚他们在写信给他们的朋友。(没有说明信是否写完)They wrote letters to their friends last night.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),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 was thinking more of others than of himself.他考虑别人的比考虑自己的多。(表示说话者赞扬的口气)The boy was always making troubl

10、e then.那时,他总是惹麻烦。(表示说话者厌烦的口气),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:I was having an English class at this time yesterday.,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 having an English class.,6.,4a.Look at the table and write sentences with both while and when.,e.g.While John was taking p

11、hotos,Mary bought a drink.John was taking photos when Mary bought a drink.,While John was playing the piano,Mary left the house.John was playing the piano when Mary left the house.,While John was shopping,Mary took the car to the car wash.John was shopping when took the car to the car wash.,While Jo

12、hn was cleaning his room,Mary turned on the radio.John was cleaning his room when Mary turned on the radio.,4b.Fill in the blanks with was,were,when or while.,At 7:00 a.m.,I woke up._I _making my breakfast,my brother_ listening to the radio._I was eating,the radio news talked about a car accident ne

13、ar our home.My brother and I went out right away to have alook._we got to the place of the accident,the car _ in bad shape from hitting a tree.But luckily,the driver _fine.The roads_ icy because of the heavy snow from the night before.,While,was,was,While,When,was,was,were,4c.What were you doing at

14、these times last Sunday?Fill in the chart.Then ask your partner.,A:What were you doing at nine oclock last Sunday morning?B:I was sleeping.How about you?A:I was doing my homework.B:Youre kidding!,Group work,What were you doing at last Sunday?,A:What were you doing at nine oclock last Sunday?B:I was

15、running.How about you?A:I was reading.B:Youre kidding!,v.欺骗;戏弄;开玩笑,1.What _(be)you _(do)when he arrived?2.Jim _(sleep)when I came in.3.They _(watch)TV at 8:00 yesterday evening.4.Now he _(read)and _(write).,were,doing,was sleeping,were watching,is reading,writing,.用所给词的正确形式填空,5.Mother _(wash)clothes

16、 when I _(get)home from school yesterday afternoon.6.Look,my sister _(be)there in the barber shop.The barber _(cut)her hair.7.-When _ you _(see)the accident?-I _(see)it fifteen minutes ago.,was washing,got,is,is cutting,did,see,saw,.Translate these sentences.,1.上课铃响时,你在干什么?What _ you _ when the clas

17、s bell rang?2.当我妈妈进来时我正在看书.I _ _ when my mother came in.3.昨天晚上十点钟她正在做饭.She _ _ at ten oclock _ _.,were,doing,was reading,was cooking,last night,4.当飞机起飞的时候,天正下着大雪。It _heavily when the plane _.6.我女儿正在写信时,其他的孩子都在外面玩耍。My daughter was writing a letter _the other children _ outside.,took off,were playing,

18、was snowing,while,1.昨天早上9点钟你在干什么?2.当暴风雨来时,小明正在骑自行车。3.那时,他们正在做家庭作业。,What were you doing at 9 oclock yesterday morning?,Xiao Ming was riding his bike when the Rainstorm came。,They were doing their homework at that time.,.翻译,4.今早给你打电话的时候,你正在干什么?6.当李雷在吃早饭时,吉姆进来了.Jim was coming in when li lei had breakfast.,What were you doing when I called you up this morning?,Homework,What were you doing at these times last Sunday?Practice more with your classmates.,Thank You!,

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