2020年高三复习之状语从句共32张课件.pptx

1、状语从句之常考点Adverbial Clauses什么是状语？什么是状语？在句中用来修饰动词，形容词，副词的成分称为状语。He works very hard.什么是状语从句？用作状语的句子称为状语从句。它用来修饰谓语，定语，状语，或者整个句子。While I was walking along the street,I found many beautiful buildings.状语从句状语从句时间状语从句时间状语从句高考怎么考？高考怎么考？1.当时候：when/while/as2.才/就：before3.直到，直到才：（not)until4.自从：since5.一就6.与time有关的短

2、语考点考点1 when/while/as1._ he came in,we were having supper.2.We were having supper_ the light suddenly went out.3._ he was watching TV,the boy fell asleep.4.She sang _ he walked along.When时间点时间点when就在这时，突然就在这时，突然While时间段时间段as一边一边一边一边When表示时间点，也可以表示时间段。还可以表示表示时间点，也可以表示时间段。还可以表示“就在这时突然就在这时突然”=and thenWh

3、ile表示时间段，所引导的从句通常是表示时间段，所引导的从句通常是进行时进行时/延续状态延续状态As强调强调从句动作与主句动作同时或几乎同时发生从句动作与主句动作同时或几乎同时发生可以翻译为：可以翻译为：“随着随着”;“一边一边一一边边”A joke:As you get older three things happen.The first is your memory goes,and I cant remember the other two.He fell asleep while he was doing his homework.I learned Spanish while I

4、was in Mexico.be about to do be doing be on ones way be on the point of doing had just donewhen就在这时突然就在这时突然改错：改错：I was walking down the street while I heard someone calling for help.注意注意_I was walking down the street,I came across an old friend.When/While/As如果主句表示的是非延如果主句表示的是非延续性动作，而从句用延续续性动作，而从句用延续

5、性动词的进行性动词的进行时态时态，则，则when,while与与as可互换使可互换使用。用。改错：This morning on my way to school I was deeply moved by what I saw outside a bank.An old man was counting his money in front of the bank while suddenly a young man came running and knocked him down.走进高考走进高考The Chinese have used chopsticks for five thou

6、sand years.People probably cooked their food in large pots,using (use)twigs(树枝)to remove it.Over time,65 the population grew,people began cutting food into small pieces so it would cook more quickly.(2016全国)考点考点2直到，直到直到，直到才才(not)untilWe lived in the countryside until two decades ago.肯定句且主句的谓语动词是延续性动

7、词，肯定句且主句的谓语动词是延续性动词，“到、为止到、为止”tillHe didnt meet the girl he would like to marry until he came back from Africa.否定句且主句的谓语动词是短暂性动词，否定句且主句的谓语动词是短暂性动词，“直到、才直到、才”，not until he came back from AfricaIt was强调：强调：thathe met the girl he would like to marry.倒装：倒装：Not until he came back from Africa did he meet

8、the girl he would like to marry 走进高考走进高考One Sunday morning in August I went to local music festival.I left it early because I had an appointment later (late)that day.My friends walked me to the bus stop and waited with me 17 the bus arrived.(2011广东)walk sb to a place陪某人去某地陪某人去某地走进高考走进高考2011年湖北写作年湖北写

9、作直到我成为我们班的班长，我才意识到团队合作的重要性直到我成为我们班的班长，我才意识到团队合作的重要性I did not realize the importance of team work until I became monitor of our class.I realized the importance of team work.not until I became monitor of our classIt was thatNot until I became monitor of our class did I realize the importance of team w

10、ork.用until来表示“才”有两个条件：1.前面有否定词（not/never)2.前面是瞬时动词I wont leave until you came back.思考：思考：It was nearly a week _ the rescue team located the crashed plane.beforeBefore：过了很久才：过了很久才,过不了多久就，过不了多久就，还没来得及还没来得及就就”考点考点3 才/就:before特别注意特别注意(1)“It will be/was时间段时间段before从句从句”表示表示“在在之前还要多久之前还要多久/过了多久才过了多久才”。It

11、will be half a year before I graduate.(2)“It wont be/wasnt时间段时间段before从句从句”表示表示“过不了多久就过不了多久就/没过多久没过多久就就”。It wasnt long before we started.She shut the door before I could say a word.过了过了半年我才毕业。半年我才毕业。没过多久我们就动身了。没过多久我们就动身了。我还没来得及说一句话她就把门关了改错：I am a high school student.A few days before,one of my very

12、good friends told me that he was going to stop the school.走进高考走进高考It was raining lightly when I arrived(arrive)in Yangshuo just before dawn.But I didnt care.A few hours _65_,Id been at home in Hong Kong,with its(it)choking smog.since意为意为“自从自从以来以来”，从句的谓语动词一般是非延续性动，从句的谓语动词一般是非延续性动词，主句的谓语动词一般是延续性动词。词，主

13、句的谓语动词一般是延续性动词。since从句的时态若是从句的时态若是一般过去时一般过去时，主句常用，主句常用现在完成时现在完成时。考点考点4 sinceThey have been friends since they met for the first time in London.自从在伦敦第一次见面以来，他们一直是朋友。自从在伦敦第一次见面以来，他们一直是朋友。Diets have changed in china-and so too has its top crop.Since 2011,the country 61(grow)more corn than rice。Corn pro

14、duction has jumped nearly 125 percent over the past 25 years,while rice has increased only 7 percent.(2018全国)走进高考走进高考考点考点5 一一就就A joke:A:During summer holidays,I often get up as soon as the sun begins to come through my window.B:Isnt that quite early?A:Well.My room faces west.1.as soon as从句中用一般时态代替将来

15、时态。从句中用一般时态代替将来时态。2.the moment,the minute,the second,the instant+从句从句 immediately,directly,instantly+从句从句改错：改错：The moment he got into the room，and the telephone rang.3.on/upon+doing改错：改错：On get to the city，he set about finding a suitable place for his restaurant.3.hardly/scarcely(过去完成时had sb done)wh

16、en(sb did sth)no sooner(过去完成时had sb done）than（sb did sth)I had hardly told him the news when he stopped listening.在在hardly/scarcely.when/before.,no sooner.than.结构中，当结构中，当hardly,scarcely或或no sooner位于句首时，主句要用部分倒装。位于句首时，主句要用部分倒装。They had hardly reached Edinburgh when they were ordered to return to Lond

17、on.Hardly had they reached Edinburgh when they were ordered to return to London.注意时态和连词注意时态和连词the first time or for the first time?I was struck by her beauty_ I met her.Im not familiar with her.I met her_.the first time for the first time考点考点6 与与time有关的短语有关的短语the first/second time/every time/next ti

18、me/any time 等为连词，等为连词，引导时间状语引导时间状语;for the first time做状语，介宾短语做状语，介宾短语I felt bad the first time I spoke in public.考点总结：考点总结：1.正在那时正在那时最好用最好用when2.看到有看到有“才才”/“就就”用用before3.Since经常搭配经常搭配现在完成时现在完成时4.一一.就要记得就要记得倒装倒装5.不带介词不带介词的的Time短语加从句短语加从句1引导条件状语从句的常见从属连词引导条件状语从句的常见从属连词(短语短语)有：有：if,unless,as/so long as

19、,in case(万一万一),once,on condition that,provided/providing(that),supposing/suppose(that),assuming that(假设假设)等。等。条件状语从句条件状语从句They agreed to lend us the car on condition that we returned it before the weekend.他们同意把车借给我们，条件是我们必须在周末前归还。他们同意把车借给我们，条件是我们必须在周末前归还。If you work harder,you_(succeed)._you work ha

20、rder,you wont succeed.Work harder,_you will succeed.Work harder,_you wont succeed._harder,you will succeed.区分区分will succeedUnlessandorWorking主将从现主将从现unless=if not祈使句：递进，那么祈使句：递进，那么祈使句：转折，否则祈使句：转折，否则现在分词作状语现在分词作状语 20 he thought he could escape attention by sitting at the back,he was wrong.It might ha

21、ve made it a little harder (hard)for everybody because it meant they had to turn around走进高考走进高考You will be successful in the interview _ you have confidence.(仅填一词）only if vs if only_ he studies harder can he catch up with others._ it would stop raining.Only ifIf onlyonly if意为意为“只有只有”，置于句首时主句的主谓要用部分倒

22、装。，置于句首时主句的主谓要用部分倒装。if only意为意为“但愿；要是但愿；要是就好了就好了”，引导的从句要用虚拟语气：，引导的从句要用虚拟语气：与现在的情况相反时，从句用一般过去时；与现在的情况相反时，从句用一般过去时；与过去的情况相反时，从句用过去完成时；与过去的情况相反时，从句用过去完成时；与将来的情况相反时，谓语用与将来的情况相反时，谓语用“would/could动词原形动词原形”。总结：1.if unless正好相反2.as long as 表只要3.in case表万一4.on condition加句子5.一旦你就用once6.only if“只要”要倒装，if only“但愿

23、”要虚拟不要相混淆1.though/although2.as3.even if与与even though4.while5.no matter疑问词疑问词让步状语从句让步状语从句1.though/although可与yet,still,nevertheless同时出现，但不能与but同时出现。Though可置于句末，表示“不过，但是”He said he would help me;he didnt,though.走进高考走进高考 I was always interested to see the drivers in hurry in the morning.The position of

24、the classroom with its view made me felt like I was dreaming.If I was only a child when I studied in that classroom,I will never forget it.Although it was hard for me to find myself back,but I made it!From then on,I gradually turned out to be a great speaker without any fear of talking.2.As表示“尽管”要倒装

25、Much as/though I like it,I wont buy it.Try as/though he might,he could not open the door.as引导让步状语从句时只能用倒装语序，即从句中的表语、状语或引导让步状语从句时只能用倒装语序，即从句中的表语、状语或动词原形置于句首，若表语是单数名词，前置时要省略冠词。动词原形置于句首，若表语是单数名词，前置时要省略冠词。adj/n/adv/n/v+as+主语主语+其他其他Though he is a child,he can speak English fluently.Child as/though he is,

26、he can speak English fluently.while引导让步状语从句时，一般置于句首。引导让步状语从句时，一般置于句首。While I admit that there are problems,I dont agree that they cannot be solved.尽管我承认有问题存在，但我不同意这些问题不能解决。尽管我承认有问题存在，但我不同意这些问题不能解决。no matter疑问词疑问词引导让步状语从句引导让步状语从句“疑问词疑问词ever”既可以引导让步状从也可以引导名词性从句既可以引导让步状从也可以引导名词性从句Dont trust him,no matt

27、er what/whatever he says.总结1.让步状语从句中不会有but2.开头很奇怪就用as/though3.要表对比你就用while4.No matter表无论Practice makes perfectPractice makes perfect1.Not _we succeed in letting wildlife live in peace can we smile in relief.3In addition,some sharp remarks,_they are eyecatching,may have misleading effects on the youth.4Interesting _it may seem,I dont like it.5This is the first time I have seen the moonlight _I came here.6I believe this sports meeting will remain a precious memory for all of us _time goes by.untilthough/although/while as/though sinceas