人教版英语八年级上册-Unit 10 时间状语从句复习课件.pptx

1、 Revision of Revision ofthe Adverbial Clausesthe Adverbial Clauses复习状语从句复习状语从句学科：英语学科：英语学段：高一学段：高一教师：教师：复习目标：复习目标：通过复习使学生懂得状语从句的定义、句法功通过复习使学生懂得状语从句的定义、句法功能、分类、引导词，及各类状语从句的用法，能、分类、引导词，及各类状语从句的用法，联系试题提高学生分析和解决问题的能力。联系试题提高学生分析和解决问题的能力。知晓状语从句的考查热点及做题方法。知晓状语从句的考查热点及做题方法。复习难点：复习难点：一些易混引导词的用法。一些易混引导词的用法。复习

2、方法：复习方法：自主学习自主学习;小组讨论小组讨论;导学导练。导学导练。Step 1:自主梳理：自主梳理：状语从句是在复合句里用来修饰主句中的状语从句是在复合句里用来修饰主句中的_动词、动词、_动词、动词、_、_或整个句子。或整个句子。状语从句一般由状语从句一般由_引导。从句位于引导。从句位于_、_或或_。位于。位于_或或_时通常用逗号隔开，位于时通常用逗号隔开，位于_时可时可以不用逗号隔开。以不用逗号隔开。状语从句一共有状语从句一共有_种，他们是种，他们是_。谓语谓语非谓语非谓语形容词形容词副词副词连词连词句首句首句中句中句末句末句首句首句中句中句末句末九九掌握状语从句的关键掌握状语从句的关

3、键1.1.准确掌握每一个准确掌握每一个连词的含义连词的含义。2.2.注意主句和从句的注意主句和从句的时态呼应时态呼应。3.3.大部分状语从句可以放在主句之前，大部分状语从句可以放在主句之前，也可以放在主句之后。状语从句放在也可以放在主句之后。状语从句放在主句之前用逗号和主句隔开，放在主主句之前用逗号和主句隔开，放在主句之后不用逗号和主句隔开。句之后不用逗号和主句隔开。when,while,as,before,after,whenever,since,until/till,notuntil,as soon as,the moment,the minute,the second,the insta

4、nt,immediately,directly,instantly,hardly/scarcelywhen,no soonerthan every time,each time,every year,each year,the first/second/last time,the day,any time,by the time,every/each time,1._(当电影结束时当电影结束时),the people went back._ (当我住在那里的时候当我住在那里的时候),I used to go to the seashore.总结：总结：whenwhen引导的时间状语从句，其谓语

5、动词可引导的时间状语从句，其谓语动词可以是延续的，也可以是瞬间的，可用于主句和以是延续的，也可以是瞬间的，可用于主句和从句动作同时发生或从句动作先于主句动作。从句动作同时发生或从句动作先于主句动作。2.We were having a class_(突然有人闯了进来突然有人闯了进来).We were about to set off _(这时开始下雨了这时开始下雨了)总结：相当于总结：相当于and at this/that time。意思为。意思为“正在正在/刚要刚要这这/那时（突然那时（突然）”When the film endedWhen I lived therewhen someone

6、 broke inwhen it began to rain.1.We were swimming in the lake _ suddenly the storm started.(北京春北京春)A.when B.while C.until D.before2.He was about to tell me the secret _ someone patted him on the shoulder.(上海上海)A.as B.until C.while D.when3.He transplanted the little tree to the garden _ it was the be

7、st time for it.(上海上海)A.where B.when C.that D.until4.Did Jack come back early last night?(福建福建)Yes.It was not yet eight oclock _ he arrived home.A.Before B.when C.that D.untilA AD DB BB B1.Please dont talk so loud while others are working.2.While I accept the problem is difficult,I dont think I wont

8、work it out.3.Some people waste food while others havent enough.虽然虽然而而/却却当当1.As I left the house,I forgot the key.2.As I get older,I get more optimistic.3.He hurried home,looking behind as he went.4.As the weather is so bad,we have to stay home.5.You can do it as you like.6.Old as he is,he is still

9、energetic.7.He speaks English as fluently as a native speaker.当当随着随着一边一边由于由于像像/按照按照尽管尽管像像一样一样Judge the meanings of“as”.asas用法小结用法小结1.1.引导时间状语从句：强调同时发生或紧接着引导时间状语从句：强调同时发生或紧接着 发生，动作无先后。发生，动作无先后。当当时候时候 一边一边一边一边 随着随着 2.2.引导原因状语从句：由于引导原因状语从句：由于3.3.引导方式状语从句：像，如引导方式状语从句：像，如4.4.引导让步状语从句：虽然引导让步状语从句：虽然5.5.引导比

10、较状语从句：引导比较状语从句：asasasas和和一样一样6.6.引导定语从句：如，像引导定语从句：如，像 7.7.介词：作为介词：作为1.When/While he was eating his lunch,the doorbell rang.When I stopped my car,a man came up to me.小结：小结：while引导的时间状语从句的谓语动词必须是可引导的时间状语从句的谓语动词必须是可延续的，而延续的，而when引导的时间状语从句的谓语动词是可引导的时间状语从句的谓语动词是可延续的，也可以是表短暂性动作的动词。延续的，也可以是表短暂性动作的动词。2.When

11、 you have finished your work,you may have a rest.小结：从句动作发生在主句动作之前时，只能用小结：从句动作发生在主句动作之前时，只能用when引导这个从句，不可用引导这个从句，不可用as或或while。3.When/While/As I was walking down the street,I came across an old friend of mine.小结：如果主句表示的是短暂动作，而从句用延续性小结：如果主句表示的是短暂动作，而从句用延续性动作的进行时态表示在一段时间内正在进行的动作时，动作的进行时态表示在一段时间内正在进行的动作时

12、，三者可互换使用。三者可互换使用。用用while,when,as 填空填空：_ I was walking down the street,I noticed a police car in front of the store._ John arrived,I was cooking lunch._ he grew older,he lost interest in everything except gardening.How can he get good grades _ he wont study?I was wandering through the street_ I caugh

13、t sight of a tailors shop._ the grandparents love the children,they are strict with them.When/While/AsWhenAswhenwhenwhile观察句子，找出用法。观察句子，找出用法。You may stay here until the rain stops.I didnt leave until he came.Until you told me I have no idea of it.It was not until he came that I left.Not until you to

14、ld me did I have any idea of it.l用于肯定句：主句谓语动词必须是用于肯定句：主句谓语动词必须是_,意为意为“某动作一直延续到某时间点才停止某动作一直延续到某时间点才停止”。l用于否定句：主句谓语动词必须是用于否定句：主句谓语动词必须是_,意为意为“某动作直到某时间才开始某动作直到某时间才开始”。l_可以用于句首可以用于句首,而而_不可以。不可以。l在强调句型中在强调句型中,not until 两词不可分开；两词不可分开；not until放在放在句首时，句首时，_要倒装。要倒装。延续性动词延续性动词非延续性动词非延续性动词untiluntiltilltill主句

15、主句before用法小结用法小结1.We had sailed four days and four nights before we saw land.2.We hadnt run a mile before he felt tired.3.Please write it down before you forget it.4.Before I could get in a word,he had measured me.才才还没有还没有/不到不到就就 趁趁（还未）（还未）还没来得及还没来得及 注意：注意：before从句中谓语不用否定式。从句中谓语不用否定式。Before they rea

16、ched the station,the train had gone.含有含有before的句型结构：的句型结构：1.It will be/was段时间段时间before“过多久才过多久才”It_(还要过两年)he leaves the country.It _(过了很长一段时间过了很长一段时间)before he got to sleep again.2.It will be/was+not段时间段时间before “不多久就不多久就”It wasnt two years before he left the country.It was not long before he came b

17、ack.will be two years beforewas a long time 1.He made a mistake,but then he corrected the situation _ it got worse.(北京北京)A.until B.when C.before D.as2.Scientists say it may be five or six years _ it is possible to test this medicine on human patients.(福建福建)A.since B.after C.before D.when3.Why didnt

18、you tell him about the meeting?(四川四川)He rushed out of the room _ I could say a word.A.before B.until C.whenD.after4.It is almost five years _ we saw each other last time.(北京北京)A.before B.sinceC.after D.becauseC CC CA AB B1.I have returned home four times since I came here.2.She has been working here

19、 since he left school.3.I have seen her twice since he lived here.4.It is three years since the war broke out.5.It was years since I had seen her.译：译：_总结：总结：lsince从句的谓语动词一般是从句的谓语动词一般是_动词，主句动词，主句的谓语动词是延续性或者反复发生的动作。主句时态的谓语动词是延续性或者反复发生的动作。主句时态为为_,从句时态为从句时态为_。lIt is+some time+since+did.lIt was+some time

20、+since+had done.非延续性非延续性现在完成时现在完成时一般过去时一般过去时1.the moment,the minute,the instant,immediately,directly,instantly,hardlywhen,scarcelywhen,no soonerthan 等可引导时间等可引导时间状语从句，相当于状语从句，相当于as soon as的意思。的意思。They rushed out of the room immediately they heard a loud noise.2.在在hardlywhen,scarcelywhen,no soonerthan

21、等引导的从句中，如果等引导的从句中，如果hardly或或no sooner或或scarcely置于句首，句子必须用部分倒置于句首，句子必须用部分倒装结构。装结构。Hardly had I got home when it began to rain.=I had hardly got home when it began to rain.3一些含有一些含有time的名词短语，如的名词短语，如:every time,each time,next time,by the time等，等，以及以及the day,the year,the morning等，等，也可引导一个时间状语从句。也可引导一个时

22、间状语从句。The day he returned home,his father was already dead.Next time you come,please bring your dictionary.3.One Friday,we were packing to leave for a weekend away _ my daughter heard cries for help.A.after B.while C.since D.when4.Please call my secretary to arrange a meeting this afternoon,or _ it

23、is convenient to you.A.whenever B.however C.whichever D.wherever1._ he heard this,he got very angry.2.I met Lucy_ I was walking along the river.A.when B.while对比训练对比训练 1 1A AB B1.We were about to leave_ it began to rain.2.She thought I was talking about her son,_,in fact,I was talking about my son.3.

24、Hardly had I finished my composition _ the bell rang.A.when B.while C.as D.during对比训练对比训练 2 2 A AB BA A状语从句有九种，状语从句有九种，时地条件和原因，时地条件和原因，目比结果方让步，目比结果方让步，连词引导各不同；连词引导各不同；主句通常前面走，主句通常前面走，连词引导紧随后；连词引导紧随后；从句若在主前头，从句若在主前头，主从之间有个逗。主从之间有个逗。状语从句用法小结状语从句用法小结Homework Write a short article including Write a short article including adverbials as many as possible.adverbials as many as possible.Keep the meanings of the Keep the meanings of the conjunctions in mindconjunctions in mind.