1、Section Grammar复习状语从句语 境 自 主 领 悟先观察原句后自主感悟1.When he retired at the age of 26,he had won 106 gold medals in major competitions across the world.2.But even though he had won everything it was possible to win in his sport,Li Ning retired with the feeling that he had failed.1.句1和句4都是时间状语从句,when表示“当时候”,w
2、henever表示“每当时候”。2.句2由even though引导的让步状语从句,even though意为“尽管,即使”。3.If you go into a school or university anywhere,the chances are you will see students in Li Ning tracksuits with the familiar logo.4.Whenever Chinese athletes step out onto the track during the 2019 Olympics,they will be wearing Li Ning
3、 tracksuits.3.句3由if引导的条件状语从句,if表示“如果”。语 法 精 要 点 拨一、时间状语从句1when,while和as引导时间状语从句(1)when从句的动作和主句的动作可以同时发生,也可以先后发生,从句谓语动词为延续性动词或非延续性动词。When I lived there,I used to go to the seashore on Sundays.我住在那里时,星期天常到海滨去。(2)while从句的动作与主句的动作同时发生,从句的谓语动词为延续性动词。Please dont talk so loud while others are working.别人工作时
4、,请别高声谈话。(3)as从句的动作与主句动作交替进行或同时发生,可翻译为“随着;一边一边”。He hurried home,looking behind as he went.他匆忙回家去,一边走一边回头望。As time went on,its getting warmer and warmer.随着时间的推移,天越来越暖和了。2till和until在肯定句中主句谓语动词应是延续性的,而在否定句中主句谓语动词应是非延续性的;till不可位于句首,而until则可以。You may stay here till/until the rain stops.你可以待在这里直到雨停。I wont
5、see him till/until his anger has cooled down.等他怒气消了,我再去看他。Until you told me,I had no idea of it.直到你告诉我,我才知道这件事。名师点津not until置于句首时主句要用部分倒装。Not until nine oclock yesterday evening did we finish the work.直到昨晚九点,我们才完成这项工作。3before和since(1)before本意为“在之前”,还可引申为“还未就,不到就;趁;还没来得及就”。before引导时间状语从句的常用句型:It was时
6、间段before从句(一般过去时)过了多久才It will be 时间段before从句(一般现在时)要过多久才He had put the broken vase away before his mother came back.他趁妈妈还没回来就把打碎的花瓶收拾好了。It was some time before we realized the truth.过了一段时间我们才了解了真相。It will be half a year before I come back.半年之后我才回来。(2)since意为“自从以来”,主句用完成时。since引导的从句如果用非延续性动词,常理解为某一状态
7、的终止;若用延续性动词或状态动词,则理解为某一动作的开始。since引导时间状语从句的常用句型:It is/has been时间段since.自从以来多久了。He has written to me frequently since I got sick.自从我病了以后,他经常给我写信。It is three years since he came to our school.他来我们学校已经三年了。It is three years since he smoked.他戒烟已经三年了。4引导时间状语从句的名词词组一些表示时间的名词词组,如the moment,every time,each t
8、ime,the first time,the last time,the next time,the minute,the instant等可以用来引导时间状语从句,起连词的作用。The moment I saw her,I knew there was something wrong.我一看到她,我就知道出事了。Every time I was in trouble,he would come to help me.每次我处于困境,他就会来帮助我。5表示“一就”的引导词as soon as,immediately,directly,instantly,the moment/minute/in
9、stant,no sooner .than .,hardly/scarcely .when .等都可引导时间状语从句,表示“一就”。The boy burst into tears immediately he saw his mother.这个男孩一看到他妈妈就放声大哭。名师点津no sooner.than.;hardly.when.结构中,no sooner与hardly置于句首时,其后的句子用部分倒装。No sooner had we arrived at the station than the train left.我们一到车站,火车就离站了。即时训练1单句语法填空When they
10、 heard the news,they were very surprised.While/When I was working in Beijing,I learned a lot from Mr.Zhang.As you grow older,youll know better and better about yourself.We didnt discuss the problem until he came back.I have heard a lot of good things about you since I came back from abroad. 【导学号:718
11、12043】二、条件状语从句引导条件状语从句的连词有:if,unless,as/so long as,suppose/supposing (that)(倘若;如果),provided/providing (that)(倘若;如果),on condition that(条件是),in case(以防)等。Unless he studies hard,he will never pass the examination.除非他努力学习,否则永远不能考及格。We can overcome the difficulties as long as we are organized.只要我们组织起来,我们
12、就能克服困难。You can use this room suppose/supposing that you keep it clean and tidy.如果你能保持房间干净整洁,你就可以用这间房间。即时训练2单句语法填空If no actions are_taken(take),many rare animals will die out in the world.He is sure to come unless he has some urgent business.Provided/Providing(provide) he doesnt come,what shall we do
13、?三、让步状语从句1引导让步状语从句的连词有:although,though,while(尽管,虽然),even if/though,whether .or .,疑问词ever与no matter疑问词等。Even if it should rain tomorrow,we will continue our work.即使明天下雨,我们也要继续工作。Whether you go or not,I will go to visit my teachers.不管你去不去,我都要去看望我的老师。Whatever/No matter what you want to do,please look b
14、efore you leap.不管你想做什么事,请三思而后行。2as引导的让步状语从句需采用部分倒装,有时though引导的让步状语从句也采用部分倒装。Try as he might,he couldnt solve the problem.尽管他尝试了,但还是无法解决这个问题。Child as he is,he knows a lot of the history of China.虽然他只是个孩子,他懂得许多中国历史方面的知识。(注意child前不用冠词)Young though he is,he knows how to deal with such a thing.他虽然年轻,但懂得如
15、何处理这件事。即时训练3单句语法填空Although/Though/While they are poor,they buy a great many books. 【导学号:71812044】No matter what he says,I wont believe him any more.Whoever you are,you must obey traffic rules.Hard as/though I tried to explain,he still didnt understand.Well start our meeting on time whether he comes
16、or not.语 法 应 用 落 实.单句语法填空1It will be at least two months before we meet again.2However angry you feel,you shouldnt shout at your children.3She says that shell have to close the shop unless business improves. 【导学号:71812045】4The head of the company promised to deal with the matter the moment he return
17、ed to his office.5As time goes by,his music is becoming more and more popular.6Poor as/though they are,they still do their best to help those homeless children.7Immediately(immediate) they heard the good news,they couldnt help laughing in the classroom.8You must continue to do the work although/thou
18、gh you have some disagreements about the question.9Parents today do their best to leave possessions for their kids,whether they are rich or poor.10Provided/Providing(provide) you fail a second time,dont get disappointed,but try again.单句改错(每小题仅有1处错误)1Im sure it wont be long until we find out the trut
19、h.untilbefore2Whatever tough the task is,I will finish it on time.WhateverHowever3Although they are expensive,but they last long and never go out of style.去掉but4Unless you change your attitude,I will tell you the way to solve the problem.UnlessIf5How long is it when we last spent the holiday in the countryside together? whensince第 6 页