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1、,Unit 5What were you doing when the rainstorm came?,Grammar Focus-3c,Unit 5Grammar Focus-3c,What were they doing,when it began to rain?,They,were playing,computer games when it began to rain.,They,were playing,chess when it began to rain.,They,were playing,football when it began to rain.,What were t
2、hey doing when it b,While,Jake was sleeping,what did,his brother,do?,He played basketball.,When,Jake was sleeping,his brother played basketball.,While Jake was sleeping,what,While,they were dancing,the telephone rang.,When,the telephone rang,they were dancing.,While,they were dancing,what happened?,
3、While they were dancing,the t,He was singing,when,the baby started to cry.,While,he was singing,the baby started to cry.,He was singing when the baby s,While,he was walking,a taxi came.,He was walking,when,a taxi came.,While he was walking,a taxi c,Both of them mean,Are they the same?,No,！,Both of t
4、hem meanAre they the,when,when,引导的时间状语从句可以表示一个时间点,也可以表示一个时间段。从句中可以用短暂性动词，也可以用延续性动词。,It was snowing when we got to the airport.,我们到达机场时，,天正下着雪。,My key dropped on the ground when I was walking in the park.,我在公园散步时，,钥匙掉在了地上。,when,and,while,“,当,的时候,”,whenwhen引导的时间状语从句可以表示一个时间点,也可,while,引导的时间状语从句常指一个时间段，
5、从句中的动词常为,延续性,的。,while,有时还可表示主句的动作与从句的动作同时发生。,While he was reading,the phone rang.,他正在看书时，电话铃响了。,Some students were reading while others were writing.,一些学生在读书，另一些学生在写字。,while,while引导的时间状语从句常指一个时间段，从句中的动词常为,1),若从句是一个,短暂性动作,，主句是一个,持续性动作,，可用,when,但不用,while,：,It was raining hard when we arrived.,我们到达时正下着
6、大雨。,2),表示主、从句正在进行的动作或状态的对比时多用,while,：,While she was making a phone call,I was writing a letter.,when,和,while,的区别,3)when,可用作并列连词，表示“这时,(,突然,),”，但,while,不可以；,while,可以用作并列连词，表示“而、却”,(,表示对比,),，但,when,没有这种用法。,We were about to start,when,it began to rain.,He likes coffee,while,she likes tea.,1)若从句是一个短暂性动作
7、，主句是一个持续性动作，可用 w,Practice,1.I _(watch)TV when she _(call).,2.When the phone _(ring),she _,(write)a letter.,3.While we _(have)a picnic,it _,(start)to rain.,4.While John _(sleep)last night,someone,_(steal)his car.,was watching,called,rang,was writing,were having,started,was sleeping,stole,Practice1.I
8、_(w,5.While we _(wait)for the bus,a girl,_(run)up to us.,6.I _(telephone)a friend when Bob _,(come)in.,7.While mother _(make)the bed,the door bell,_(ring).,8.We _(test)the new machine when the,electricity _(go)off.,were waiting,was running,was phoning,came,were testing,went,was making,rang,5.While w
9、e _(wait,Translation,1.,当开始下雨的时候，我正和朋友们在操场上打篮球。,I,was playing,basketball with my friends in the playground when it,started,to rain.,2.,我当时甚至不知道我正在做什么。,I did not even know what I,was doing,at that time.,Translation1.当开始下雨的时候，我正和朋友们在,3.,当我妈妈在做晚饭的时候，我在卧室做作业。,I,was doing,my homework in the bedroom while
10、 my mother,was cooking,supper.,4.,当我今天早上看到她时，她正急匆匆地赶去上班。,When I,saw,her this morning,she was in a great hurry to go to work.,3.当我妈妈在做晚饭的时候，我在卧室做作业。I was d,4a,Look at the table and write sentences with both,while,and,when,.,While,John was taking photos,Mary bought a drink.,John was taking photos,when
11、,Mary bought a drink.,While,John was playing the piano,Mary left the house.,John was playing the piano,when,Mary left the house.,4aLook at the table and write,While,John was cleaning his room,Mary turned,on the radio.,John was cleaning his room,when,Mary turned on,the radio.,While,John was shopping,
12、Mary took the car to the,car wash.,John was shopping,when,Mary took the car to the,car wash.,While John was cleaning h,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
13、 car accident near our home.My brother and I went out right away to have a look._ we got to the place of the accident,the car _,in bad shape from hitting a tree.,while,was,was,While,When,was,But luckily,the driver _ fine.The roads _ icy because of the heavy snow from the night before.,was,were,4bFil
14、l in the blanks with was,What were you doing at 9 oclock last night?,I,was doing,some housework,.,I,was,having,dinner.,What were you doing at 9 oclo,What were you doing between 7oclock and 9 oclock yesterday?,I,was,doing,my homework.,I,was,watching,TV.,What were you doing between 7o,What was Tom doi
15、ng at that time last Sunday?,Tom,was,playing,the piano.,Bob,was,riding,a bike.,How about David?,What was Tom doing at that tim,What were they doing at that time last week?,They,were,shopping,.,How about them?,They,were,having,a picnic.,What were they doing at that t,(,过去进行时,),过去进行时表示过去某一时刻或某段时间正在进行的
16、动作。过去进行时由“,was/were+,动词,-ing,形式”构成。,Past Progressive Tense,(过去进行时)过去进行时表示过去某一时刻或某段时间正,1.,过去进行时的各种句式,:,肯定句,:,主语,+was/were+,动词,-ing,形式,否定句,:,主语,+was/were+not+,动词,-ing,形式,I was reading at this time yesterday.,昨天这个时候我正在看书。,I wasnt reading at this time yesterday.,昨天这个时候我没在看书。,1.过去进行时的各种句式:肯定句:主语+was/w,疑问句,:,(1),一般疑问句,:was/were+,主语,+,动词,-ing,形式。肯定回答,:Yes,主语,+was/were.,否定回答,:No,主语,+wasnt/werent.,如：,Were you reading at this time yesterday?,昨天这个时候你在看书吗？,Yes,I was./No,I wasnt.,是的，我在看。,/,不，我没在看。,疑问句:(1)一般疑
八年级英语下册Unit5GrammarFocus教学ppt课件人教版
