专升本英语语法课件

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专升本英升本英语语法法2whom修饰修饰“人人”作宾语。可省略,但在介词后和非限制性定作宾语。可省略,但在介词后和非限制性定 语从句中不可省略。语从句中不可省略。The doctor(who/whom)you are looking for is in the room.你在找的那位医生在屋子里。你在找的那位医生在屋子里。3whose是是who,which的所有格,作定语,修饰的所有格,作定语,修饰“人人”“物物”表所表所 属关系。属关系。This is a book whose cover is blue.这是一本封面是蓝色的书。这是一本封面是蓝色的书。4.that修饰修饰“人人”“物物”作主语、宾语、表语。作主语、宾语、表语。I want a man that/who understands English.我需要一个懂英语的人。我需要一个懂英语的人。He is not the man that he used to be.他已不是以前的他了。他已不是以前的他了。This is the picture that I bought yesterday.这就是我昨天买的那幅画。这就是我昨天买的那幅画。5.which (1)修饰修饰“物物”作主语、宾语。作主语、宾语。The building which stands near the river is our school.耸立在河旁边的那幢房子是我们的学校。耸立在河旁边的那幢房子是我们的学校。(2)修饰句子中的短语、整个句子,作主语、宾语,常引导一非限修饰句子中的短语、整个句子,作主语、宾语,常引导一非限 制性定语从句,有时可插在句中。制性定语从句,有时可插在句中。I have to work on Sunday,which I dont like.我星期天得上班,这点我不喜欢。我星期天得上班,这点我不喜欢。They tried to catch the bird,which was impossible.他们想抓住那只鸟,而这是不可能的。他们想抓住那只鸟,而这是不可能的。(3)修饰一短语、句子时,也可作定语,使句子更加明确。修饰一短语、句子时,也可作定语,使句子更加明确。He came back late,by which time all the guests had already left.他回来迟了,到那个时候所有的客人都已经走了。他回来迟了,到那个时候所有的客人都已经走了。I was told to go not by train but by bus,which advice I followed.有人告诉我不要乘火车而乘汽车,我听从了此建议。有人告诉我不要乘火车而乘汽车,我听从了此建议。6as (1)在限制性定语从句中,若先行词被在限制性定语从句中,若先行词被the same,such,as,so所修饰,从句的引导词用所修饰,从句的引导词用as,作主语、宾语。,作主语、宾语。I dislike such students as are careless.我不喜欢那些粗心的学生。我不喜欢那些粗心的学生。Ill lend you as much money as you need.我会借给你所需要的那么多钱。我会借给你所需要的那么多钱。(2)作为关系代词,作为关系代词,as可引导非限制性定语从句,修饰一短可引导非限制性定语从句,修饰一短 语或整个句子,也可插在句中。语或整个句子,也可插在句中。As we know,the earth goes round the sun.众所周知,地球绕着太阳转。众所周知,地球绕着太阳转。The number of the visitors,as we had expected,was well over two hundred.来访者的数目远远超过两百人,这是我们预料之中的。来访者的数目远远超过两百人,这是我们预料之中的。关系副词关系副词when(时间时间);where(地点地点);why(原因原因)作状语作状语(1)I still remember the day when I was born.(2)This is the house where I lived two years ago.(3)Can you tell me the reason why you did it?定语从句中的关系副词可由定语从句中的关系副词可由“介词介词which”来代替,以上来代替,以上(1)句中的句中的whenon which(2)句中的句中的wherein which(3)句中的句中的whyfor which语法专练语法专练1I have seen the film,_leading actor is my favourite.Aits Bthat Cwhose Dwhich 解析解析:定语从句修饰定语从句修饰film,引导词在定语从句中作,引导词在定语从句中作 leading actor的定语,表所属关系的定语,表所属关系。答案答案:C2The girl_everybody had thought could win a gold medal failed at last.Awho Bwhom Cwhat D/解析解析:everybody had thought为插入语,定语从句引导为插入语,定语从句引导 词在句中作词在句中作could win a gold medal的主语。的主语。答案答案:A3Do you think the reason_he gave is believable?Afor which Bwhich Cwhy Dfor that 解析解析:句意为:你认为他给出的理由可信么?句意为:你认为他给出的理由可信么?which作作 gave的宾语,故用关系代词。的宾语,故用关系代词。答案答案:B4This is the job_they laughed.Awhich Bthat Cat which Dat that 解析解析:句意为:这是个他们嘲笑的工作。句意为:这是个他们嘲笑的工作。laugh at表表“嘲嘲 笑笑”,which作作at的宾语。的宾语。答案答案:C5.Beihai Park is one of the most beautiful parks_built about 300 years ago in Beijing.Awhich was Bwhich were Cthat were Dwhere were 解析解析:定语从句修饰定语从句修饰parks,且在定语从句中引导词作主,且在定语从句中引导词作主 语,由于先行词有最高级修饰,故只能用语,由于先行词有最高级修饰,故只能用that。答案答案:C6On the table she found a piece of paper_some puzzling secret codes.Awhich was written Bthat was written Con which were written Don that was written 解析解析:定语从句修饰定语从句修饰paper,意为,意为“纸上写着令人迷惑的密纸上写着令人迷惑的密 码码”。后面是倒装句。后面是倒装句。答案答案:C7I dont like the way_he spoke to me.Awhat Bby which Cby that D/解析解析:定语从句修饰定语从句修饰way,引导词作状语时可用,引导词作状语时可用in which/that/不填。不填。答案答案:D8He makes good use of the time_he can spare.Athat Bin which Cin that Dwhen 解析解析:句意为:他充分利用了他能腾出的时间,引导词句意为:他充分利用了他能腾出的时间,引导词 that作作spare的宾语。的宾语。答案答案:A9It was a meeting_importance I did not realize at the time.Awhich Bat which Cits Dwhose 解析解析:定语从句修饰定语从句修饰meeting,引导词,引导词whose在定语从句中在定语从句中 作作importance的定语,表所属关系。的定语,表所属关系。答案答案:D10This is the factory_they visited the other day.Athat Bwhere Cto which Dwhat 解析解析:句意为:这是一个他们那天参观的工厂。引导词句意为:这是一个他们那天参观的工厂。引导词 that在定语从句中作在定语从句中作visited的宾语的宾语。答案:答案:A11He is not the same man_he used to be.A/Bwhich Cas Dwhat 解析解析:定语从句的先行词被定语从句的先行词被the same修饰时,定语从句的修饰时,定语从句的 引导词用引导词用as,此句中,此句中as作作be的表语的表语。答案答案:C12In an open boat,the four men,_a doctor,met with a storm on the sea.Aone of them was Bone of them were Cone of whom was Done of whom were 解析解析:中间是一定语从句修饰中间是一定语从句修饰four men,表示部分与整体,表示部分与整体 的关系,的关系,whom作作of的宾语。的宾语。答案答案:C定语从句定语从句(二二)1whom,which在定语从句中可作介词的宾语,这样的介词一在定语从句中可作介词的宾语,这样的介词一 般放在般放在whom,which之前也可放在原来的位置上。之前也可放在原来的位置上。that也可作也可作 介词宾语,但介词不能放在介词宾语,但介词不能放在that前,只能放在原位置上;含有前,只能放在原位置上;含有 介词的固定词组,介词也只能放在原位置上。介词的固定词组,介词也只能放在原位置上。This is the nurse to whom Tom spoke just now.This is the nurse whom Tom spoke to just now.这就是那个这就是那个Tom刚才跟她谈话的护士。刚才跟她谈话的护士。The child whom you take care of is ill.你照看的那小孩病了。你照看的那小孩病了。2定语从句中用定语从句中用that不用不用which情况情况 (1)先行词是序数词或被序数词、形容词最高级以及先行词是序数词或被序数词、形容词最高级以及the very,the only修饰。修饰。This is the first film that I have seen at this cinema.这是我在这个剧院看的第一部电影。这是我在这个剧院看的第一部电影。(2)先行词为不定代词先行词为不定代词all,one,none,anything,everything,nothing,little,much,few等或被等或被much,little,just,few,no,any,every等所修饰。等所修饰。He has little time that he can spare.他一点时间也抽不出。他一点时间也抽不出。Is there anything that I can do for you?有什么需要我帮忙的吗?有什么需要我帮忙的吗?(3)当定语从句的先行词包括人或物时。当定语从句的先行词包括人或物时。Look at the girl and her dog that are crossing the bridge.看看正在过桥的那个女孩和她的狗。看看正在过桥的那个女孩和她的狗。(4)前面已有疑问词前面已有疑问词who,which时,为避免重复。时,为避免重复。Which is the book that you lost?你丢失的书是哪本书?你丢失的书是哪本书?Who is the lady that is playing the piano?那个弹钢琴的女士是谁?那个弹钢琴的女士是谁?(5)当先行词是疑问代词当先行词是疑问代词what时。时。What did Tom hear that made him very sad?Tom听到什么话使他那么悲伤?听到什么话使他那么悲伤?(6)当指人、物的关系代词作表语时。当指人、物的关系代词作表语时。He is not the man that he used to be.他已不是以前的他了。他已不是以前的他了。(7)在在There be句型中。句型中。Theres still a seat in the corner that is still free.角落处仍有一个空着的座位。角落处仍有一个空着的座位。3.as与与which引导非限制性定语从句,修饰一短语或整个句引导非限制性定语从句,修饰一短语或整个句 子时的区别。子时的区别。(1)as引导的定语从句可置于句首、句中、句末,但引导的定语从句可置于句首、句中、句末,但which 只能置于句中,句末。只能置于句中,句末。I helped him with his homework,as/which was my duty.我帮他做作业,这是我的职责。我帮他做作业,这是我的职责。As was my duty,I helped him with his homework.(2)as常用于某些短语中。如:常用于某些短语中。如:as is said above,as is known,as is reported/announced,as it is或出现在或出现在 appear,expect,think,suppose,mention等表猜测,等表猜测,想象,预测的动词中。想象,预测的动词中。He was late again,as was expected.他又迟到,这是预料之中的事。他又迟到,这是预料之中的事。(3)which引导的定语从句和主句往往有因果关系或引导的定语从句和主句往往有因果关系或which从句是对主句从句是对主句的评论。的评论。The street hasnt been cleaned for weeks,which makes it very dirty.街道已几个星期没清扫了,显得非常脏。街道已几个星期没清扫了,显得非常脏。The young man cheated his friend of much money,which was disgraceful.那个青年骗了他朋友许多钱,这是丢脸的事。那个青年骗了他朋友许多钱,这是丢脸的事。(4)which修饰一短语、句子时可作定语,但修饰一短语、句子时可作定语,但as不可。不可。Chaplin went to the States in 1910,by which time he had learnt to dance and act in comedies.卓别林于卓别林于1910年到了美国,到那时他已学会在喜剧中跳舞、表演了。年到了美国,到那时他已学会在喜剧中跳舞、表演了。(5)定语从句还可由定语从句还可由“名词名词/代词代词of which/whom”来引导,表部分与整体来引导,表部分与整体或所属关系。或所属关系。China has hundreds of islands,the largest of which(of which the largest)is Taiwan.中国有成千上万的岛屿,其中最大的是台湾。中国有成千上万的岛屿,其中最大的是台湾。The house the window of which faces south is our room.窗户朝南开的房窗户朝南开的房子是我们的房间。子是我们的房间。语法专练语法专练1We have two spare rooms upstairs,_has been much used in the past two years.Aneither of which Bneither of that Cnone of which Dnone of that 解析解析:两者的全否不能用两者的全否不能用none,that不能直接放在介词不能直接放在介词 后作宾语,故选后作宾语,故选A。答案答案:A2_was natural,he married Mary.AWhich BIt CThis DAs 解析解析:句意为:他娶了玛丽,这很自然。句意为:他娶了玛丽,这很自然。as引导定语从引导定语从 句,修饰后面的句子,作主语,表句,修饰后面的句子,作主语,表“这一点这一点”。答案答案:D3He has two ChineseEnglish dictionary,_were bought last week.Atwo of which Bboth of which Cboth of them Dall of whom 解析解析:C不是定语从句,不是定语从句,D修饰人。修饰人。A表示表示“其中两个其中两个”,故选故选B,表,表“这两本汉英字典都是上周买的。这两本汉英字典都是上周买的。”答案答案:B4His glasses,_he was like a blind man,fell to the ground and broke.Awhich Bwith which Cwithout which Dthat 解析解析:句意为:他的眼镜掉到地上破了,没有眼镜他就句意为:他的眼镜掉到地上破了,没有眼镜他就 像是个瞎子像是个瞎子。答案答案:C5This is the second school_I used to work at,many students of_still have a good relationship with me.Awhere;that Bthat;which Cwhich;which Dthat;whom 解析解析:第一空引导词作第一空引导词作work at的宾语,前有序数词修饰的宾语,前有序数词修饰 故用故用that,后面又是一定语从句修饰,后面又是一定语从句修饰school。答案答案:B6Let me think of a proper situation_this idiom can be used.AWhere Bthat Cwhich Dfor which 解析解析:定语从句的引导词在后面的从句中作状语修饰定语从句的引导词在后面的从句中作状语修饰 situation。situation为一抽象地点为一抽象地点。答案答案:A7.I have never dined with you,sir;and I see no reason_.Ahow can I know Bhow I ought to know Cwhy shall I know Dwhy I would know 解析解析:定语从句修饰定语从句修饰reason,引导词在定语从句中作状语。,引导词在定语从句中作状语。答案答案:D8Do you have anything to say for yourselves?Yes,theres one point_we must insist on.Awhy Bwhere Chow D/解析解析:定语从句修饰定语从句修饰point,引导词在定语从句中作介词,引导词在定语从句中作介词on 的宾语,可省。的宾语,可省。答案答案:D9On the whole,the time_the students devote to the games in the Internet cafes without doubt has a great effect on the study in the school.Ain which Bon which Cwhen Dthat 解析解析:句意为:总的来说,学生们花在电脑游戏上的时间句意为:总的来说,学生们花在电脑游戏上的时间 毫无疑问对学习有很大影响。定语从句修饰毫无疑问对学习有很大影响。定语从句修饰time,引导词,引导词 作作devote的宾语,的宾语,devote time to表表“花时间在花时间在”。答案答案:D10To his disappointment,the opinion he had stuck _ out wrong.Ato turn Bto turning Cto turned Dto be turned 解析解析:句意为:使他失望的是,他一直坚持的观点结果是句意为:使他失望的是,他一直坚持的观点结果是 错的。错的。he had stuck to为定语从句修饰为定语从句修饰opinion;引导词作;引导词作 to的宾语。的宾语。答案答案:C11The farmer used wood to build a house_to store grain.Awith Bin which Cwhich Din here 解析解析:句意为:农民用木头建一个储存粮食的屋子。句意为:农民用木头建一个储存粮食的屋子。in whichwhere。答案答案:B12It was in the stone house_was built as a school by local villagers_the boy finished his primary school.Awhich;that Bthat;where Cwhich;which Dthat;which 解析解析:第一空为定语从句的引导词,作主语,定语从句修饰第一空为定语从句的引导词,作主语,定语从句修饰 house,第二空为强调句型中的,第二空为强调句型中的that。答案答案:A名词性从句名词性从句就是一个从句作用相当于一名词,是在复合句中有着名词功就是一个从句作用相当于一名词,是在复合句中有着名词功能的从句,根据其在复合句中所充当的句子成分可划分为主能的从句,根据其在复合句中所充当的句子成分可划分为主语从句,宾语从句,表语从句以及同位语从句。语从句,宾语从句,表语从句以及同位语从句。名词性从句的引导词有连接代词,连接副词以及连词,包括:名词性从句的引导词有连接代词,连接副词以及连词,包括:who,whom,whose,that,which,when,why,where,what,if,whether,how,as if等。要特别注意等。要特别注意that,which,what在定语从句和名词性从句中的区别。在定语从句和名词性从句中的区别。that在定语从句中作主语,宾语,表语;在名词性从句在定语从句中作主语,宾语,表语;在名词性从句中不作成分,没有意义,只起引导作用。中不作成分,没有意义,只起引导作用。which在定语从句中常作主语,宾语;而在名词从句中在定语从句中常作主语,宾语;而在名词从句中常作定语,表常作定语,表“哪一个哪一个”。what定语从句中无定语从句中无what引导词,名词性从句中作主语,引导词,名词性从句中作主语,宾语,表语,表示宾语,表语,表示“所说的话所说的话”“所要的东西所要的东西”“所做的事所做的事”以及保持原有疑问词以及保持原有疑问词“什么什么”之意。之意。主语从句主语从句1What we need is more time.我们需要的是更多的时间。我们需要的是更多的时间。2Who will go is not important.谁去都不重要。谁去都不重要。3Whether shell come or not has not been decided yet.她来不来还没有定。她来不来还没有定。注意注意:(1)从句作主语,谓语动词用单数。从句作主语,谓语动词用单数。(2)主语从句中表主语从句中表“是否是否”用用whether,不用,不用if。(3)从句作主语,为避免从句作主语,为避免“头重脚轻头重脚轻”,可用,可用it作形式主语,而将作形式主语,而将从句放在后面。从句放在后面。例:例:It is a pity that she has made such a mistake.她犯了这样一个错误,真是遗憾。她犯了这样一个错误,真是遗憾。表语从句表语从句China is no longer what it used to be.中国不再是以前的中国了。中国不再是以前的中国了。The question is whether it is worth doing.问题是是否这事值得做。问题是是否这事值得做。The reason why he was late was that he was ill.他迟到的原因是他病了。他迟到的原因是他病了。注意注意:(1)表语从句中表表语从句中表“是否是否”,用,用whether不用不用if。(2)“reason”(原因原因)作主语,表语从句只能用作主语,表语从句只能用that不用不用because引导。引导。宾语从句宾语从句1Do you know whose pen it is?你可知道这是谁的笔?你可知道这是谁的笔?2Our country is now quite different from what it used to be.我们的国家已完全不同于过去的样子了。我们的国家已完全不同于过去的样子了。3What do you think will happen?你认为会发生什么?你认为会发生什么?注意注意:(1)动词动词think,believe,suppose,imagine后接后接 疑问词引导的宾语从句时,疑问词要提至主句之首,疑问词引导的宾语从句时,疑问词要提至主句之首,把把do you think/suppose/imagine.看成插入语。看成插入语。What do you think she will do?你认为她会怎么做?你认为她会怎么做?(2)that除了在除了在besides,except,but等介词后可引导宾语从句等介词后可引导宾语从句外,其它介词后不接外,其它介词后不接that引导的从句,如果要接,必须用引导的从句,如果要接,必须用it作作形式宾语。形式宾语。I know little about him except that he is from Beijing.我对他一无所知只知道他是北京人。我对他一无所知只知道他是北京人。You may depend on it that they will support you.你要靠他们的支持。你要靠他们的支持。(3)动词动词doubt(怀疑怀疑)后接宾语从句,主句为肯定句时用后接宾语从句,主句为肯定句时用whether/if引导;主句为否定句或疑问句时用引导;主句为否定句或疑问句时用that引导。引导。I doubt whether he will come.他来不来我很怀疑。他来不来我很怀疑。Do you doubt that he will come?你对他要来表示怀疑吗?你对他要来表示怀疑吗?同位语从句同位语从句它一般跟在某些名词如它一般跟在某些名词如idea,news,fact,promise,hope,question,truth,doubt等后,用以说明名词所表示的具体内容。等后,用以说明名词所表示的具体内容。The news that our team has won the match is true.我们队赢了比赛胜利的消息是真的。我们队赢了比赛胜利的消息是真的。I have no idea when he will come.我不知道他什么时候来。我不知道他什么时候来。注意注意:要与定语从句区别开,定语从句是对被修饰词的一种修:要与定语从句区别开,定语从句是对被修饰词的一种修饰而同位语从句是对其前面名词的一种说明。饰而同位语从句是对其前面名词的一种说明。Ill keep the promise(that)I make two years ago.我会信守我两年前许下的诺言。我会信守我两年前许下的诺言。(定语从句定语从句)Her father made a promise that if she passed the exam,he would buy her a new bike.她父亲许诺要是她考试过关,他会给她买辆新自行车。她父亲许诺要是她考试过关,他会给她买辆新自行车。语法专练语法专练1Do you know_he is getting along well with his work?Athat Bhow Cwhat Dwhich 解析解析:句意为:你可知道他目前的工作情况很好吗?句意为:你可知道他目前的工作情况很好吗?that引导宾语从句,不作成分。引导宾语从句,不作成分。答案答案:A2_wins gets a prize.AWho BWhom CWhich DWhoever 解析解析:句意为:获胜者会有奖。:句意为:获胜者会有奖。Whoever wins为主语从为主语从 句。句。whoeveranyone who。答案答案:D3We have received the information_Grant may have left the country.Awhen Bthat Cwhich Dwhat 解析解析:that引导一同位语从句,表明引导一同位语从句,表明information的内容,的内容,在名词性从句中不作成分。在名词性从句中不作成分。答案答案:B4_the manager said suggested that he hadnt decided_to have a talk with them or not.AWhat;if BWhether;what CWhat;whether DThat;whether 解析解析:句意为:经理所说的话表明了他还没决定是否同他句意为:经理所说的话表明了他还没决定是否同他 们谈判。们谈判。What the manager said为一主语从句,引导词作为一主语从句,引导词作 said的宾语,不定式前表的宾语,不定式前表“是否是否”只能用只能用whether。答案答案:C5There is much chance_the sick child will get well.Athat Bwhich Cif Duntil 解析解析:that引导同位语从句,在从句中不作成分,表明引导同位语从句,在从句中不作成分,表明 chance的内容。的内容。答案答案:A6Are you sure_the gold ring?Awhere she had put Bwhere had she put Cwhere she has put Dwhere has she put 解析解析:从句不用倒装语序,根据主句从句不用倒装语序,根据主句are you sure可知不可知不 能用能用had done。答案答案:C 7This is just_they are mistaken.Awhen Bwhat Cwhere Dwhich 解析解析:句意为:这就是他们错误所在,句意为:这就是他们错误所在,where引导一表引导一表 语从句,在表语从句中作状语语从句,在表语从句中作状语。答案答案:C8She seems to be happy_she has got.Awith what Bwith that Cin what Dby which 解析解析:be happy with表表“对对感到高兴感到高兴”,介词,介词with后后 为宾语从句,引导词作为宾语从句,引导词作got宾语宾语。答案答案:A9Ill make_to all that you were once a thief.Aknown Bknowing Cthem known Dit known 解析解析:that从句作宾语用从句作宾语用it作形式宾语,作形式宾语,known为宾语补为宾语补 足语,与足语,与it成被动关系。成被动关系。答案答案:D10Computer can only give out_has been stored.Athat Bwhich Cwhat Deverything 解析解析:give out后接宾语从句,引导词作后接宾语从句,引导词作has been stored 的主语,故用的主语,故用what。答案答案:C11_he did it remains a secret.AWhat BWhom CThat DHow 解析解析:句意为:他如何做的仍是个谜,句意为:他如何做的仍是个谜,how he did it为一为一 主语从句,主语从句,how在从句中作状语,若无在从句中作状语,若无it可选可选what,作,作 did的宾语。的宾语。答案答案:D12He works too hard,thats_is wrong with him.Athat which Bthat that Cwhat Dthe thing what 解析解析:thats后接一个表语从句,表语从句的引导词又是后接一个表语从句,表语从句的引导词又是 作作is wrong的主语,故选的主语,故选what。答案答案:C14.I dont suppose anyone will volunteer,_?A.do I B.dont I C.will they D.wont they 解析解析:I think/believe/suppose/imagineI think/believe/suppose/imagine接接thatthat从句,后接反从句,后接反 意疑问句时,反意疑问句的主谓语要与意疑问句时,反意疑问句的主谓语要与thatthat从句的主谓语保持从句的主谓语保持 一致,但要注意否定的转移。一致,但要注意否定的转移。答案:答案:C状状 语语 从从 句句英语中的状语从句有时间、地点、原因、目的、结果英语中的状语从句有时间、地点、原因、目的、结果条件、方式、让步、比较九大从句。条件、方式、让步、比较九大从句。一一、时间状语从句、时间状语从句 引导词有:引导词有:when,as,while,since,before,after,till/until,once,whenever,every time,each time,the first time,by the time,the day,the year,as soon as,hardly.when,no sooner.than,immediately,directly,instantly,the moment,the minute,the instant等。等。1.when (1)从句的动作可以是延续性的,也可以是非延续性的。从句的动作可以是延续性的,也可以是非延续性的。When I got to the station,the train had left.当我到达车站的时候,火车已经开走了。当我到达车站的时候,火车已经开走了。(2)主从句的动作可同时发生,或从句的动作发生在主句的动作之主从句的动作可同时发生,或从句的动作发生在主句的动作之 前或之后。前或之后。When it rained,I went to school by bus.下雨时,我乘公共汽车上学。下雨时,我乘公共汽车上学。When I got home,he had done the work.我到家时,他已把事情做好了。我到家时,他已把事情做好了。They continued their way when the storm had passed.暴雨之后他们继续上路。暴雨之后他们继续上路。(3)作为等立连词,意为作为等立连词,意为“这时这时”,强调一个意想不到的事发生。,强调一个意想不到的事发生。I was about to start when it began to rain.我正要出门这时天开始下雨了。我正要出门这时天开始下雨了。(4)引导时间状语从句,带有条件意味引导时间状语从句,带有条件意味“如果,要是如果,要是”。I cant tell you when you wont listen.你不愿听我就不跟你讲。你不愿听我就不跟你讲。2.while (1)从句的动词必须是延续性的。从句的动词必须是延续性的。We waited while he dined.他吃饭时我们等着。他吃饭时我们等着。(2)强调某一段时间主句和从句的动作在同一时期发生。强调某一段时间主句和从句的动作在同一时期发生。While we were having our class,Mr.Li came in.我们上课的时候,李老师进来了。我们上课的时候,李老师进来了。(3)当转折连词当转折连词“然而然而”,有对比之意。,有对比之意。You like sports while I like reading.你喜欢运动而我喜欢看书。你喜欢运动而我喜欢看书。3.as (1)表示一个人的两个动作交替或同时进行,表示一个人的两个动作交替或同时进行,“一边一边,一边,一边”。She dances as she sings.她边唱边跳。她边唱边跳。(2)表示两个同步发展的情况,有逐步的过程表示两个同步发展的情况,有逐步的过程“随着随着”。As time went on/by,she became more and more worried.随着时间的推移,她变得越来越焦虑。随着时间的推移,她变得越来越焦虑。(3)表两个短促行为或事件几乎同时发生。表两个短促行为或事件几乎同时发生。I thought of it just as you opened your mouth.正当你开口说时,我想出来了。正当你开口说时,我想出来了。4.since (1)表主句的动作从过去的某一点时间持续到现在,从句常用过表主句的动作从过去的某一点时间持续到现在,从句常用过 去时,主句常用现在完成时。去时,主句常用现在完成时。Tom has lived here since he came to this city.自从自从Tom来到这个城市就住在这儿。来到这个城市就住在这儿。(2)since后只能接点时间,不接段时间,且跟点时间时,只能接后只能接点时间,不接段时间,且跟点时间时,只能接 持续性动词作谓语。持续性动词作谓语。He has been away from Hangzhou since last Monday.自上星期一,他就离开了杭州。自上星期一,他就离开了杭州。(3)句型:句型:It is段时间段时间since从句,从句动词用过去式,从句,从句动词用过去式,It was段时间段时间since从句,从句动词用过去完成式。从句,从句动词用过去完成式。It was twenty years since she had left for America.她到美国已二十年了。她到美国已二十年了。(4)若若since从句的谓语是延续性动词或状态动词,则要从该动词所从句的谓语是延续性动词或状态动词,则要从该动词所 表示的动作或状态结束时算起。表示的动作或状态结束时算起。It is two years since we studied English.我们学英语已两年了。我们学英语已两年了。Each time I called on him,he was busy with his work.每次我去看他时,他都在忙。每次我去看他时,他都在忙。By the time you get there,it will be dark.当你到那儿的时候,天就会黑了。当你到那儿的时候,天就会黑了。His father died the year he was born.他出生的那年,他的父亲去世了。他出生的那年,他的父亲去世了。二、地点状语从句二、地点状语从句 引导词有:引导词有:where,wherever,everywhere I found the pen where I had left it.我在原来放笔的地方找到那支笔。我在原来放笔的地方找到那支笔。You must be firm,where you think yourself to be right.你认为自己是对的,你就一定要坚持。你认为自己是对的,你就一定要坚持。三、原因状语从句三、原因状语从句 引导词有:引导词有:because,as,since,now that(既然既然)because语气最强,是全句最重要部分。语气最强,是全句最重要部分。as,since语气较弱,语气较弱,as主从并重,从句说明原因,主句说明结主从并重,从句说明原因,主句说明结 果,而果,而since常表示显然或已知的理由。常表示显然或已知的理由。Since everyone is here,lets start.既然都到了,我们就开始。既然都到了,我们就开始。As it was late,I had to go.不早了,我得走了。不早了,我得走了。He was scolded because he was late.因为迟到,他受到了责备。因为迟到,他受到了责备。四、目的状语从句四、目的状语从句 引导词有:引导词有:so that,in order that,in case so that/in order that引导目的状语从句时,从句中常接情态动引导目的状语从句时,从句中常接情态动 词词may,might,can,could,will,would等。等。They set out early so that they might arrive at the station in good time.他们动身早以便于及时到达车站。他们动身早以便于及时到达车站。Take your umbrella in case it rains.带把伞以防天下雨。带把伞以防天下雨。五、结果状语从句五、结果状语从句 引导词有:引导词有:so that,such.that,so.that He spoke so fast that I couldnt follow him.他说得快结果我没听懂。他说得快结果我没听懂。It was such a good day that we all went swimming.天气很好我们所有人都去游泳了。天气很好我们所有人都去游泳了。六、条件状语从句六、条件状语从句 引导词有:引导词有:if,unless,so long as/as long as,only if,in case(万一万一),on condition that,suppose,supposing,provided,providing等等 If you will go,please tell me.要是你愿意去,请告诉我一声。要是你愿意去,请告诉我一声。Suppose he is absent,what shall we do?倘若他不在,我们该怎么办?倘若他不在,我们该怎么办?七、方式状语从句七、方式状语从句 引导词有:引导词有:as,as if/though I work as others do.我会照别人的样子去做。我会照别人的样子去做。He walked as if he were drunk.他走起路来好像喝醉了似的。他走起路来好像喝醉了似的。八、让步状语从句八、让步状语从句 引导词有:引导词有:though,although,as(尽管尽管),even if/even though,whether(无论,不管无论,不管),while(尽管尽管)no matter疑问疑问 词等词等 While they are my neighbours,I dont know them well.尽管他们是我的邻居,但我不太了解他们。尽管他们是我的邻居,但我不太了解他们。Whether he comes or not,we will not go there.不管他来不来,我们不会去那的。不管他来不来,我们不会去那的。He didnt stop working though he was ill.尽管他病了,但他没有停止工作。尽管他病了,但他没有停止工作。九、比较状语从句九、比较状语从句 引导词有:引导词有:as.as;not so/as.as;than;the比较级,比较级,the 比比 较级。较级。(1)在在as.as句型中,第一个句型中,第一个as后用形容词、副词原级;在第一后用形容词、副词原级;在第一 个个as前可加上程度状语前可加上程度状语quite,almost,nearly,just,three times,exactly,half等。等。Our room is twice as big as yours.我们的房间是你的房间两倍大。我们的房间是你的房间两倍大。I havent seen as/so old a car as that.我没看过那么古老的车。我没看过那么古老的车。(2)than引导的比较状语从句注意点引导的比较状语从句注意点 a.比较的对象要一致比较的对象要一致 The climate of Kunming is better than that of Beijing.b.比较级前可加上比较级前可加上much,still,even,far,a lot,a little,any,three years,20%,yet,a bit等修饰。等修饰。He is a head taller than I.他比我高一个头。他比我高一个头。Tom is no more diligent than Mary.Tom与与Mary一样地不勤奋。一样地不勤奋。(全否全否)Tom is not more diligent than Mary.Tom没有没有Mary勤奋勤奋(全肯,程度不一全肯,程度不一)c.一个人或物两种性质的比较,用一个人或物两种性质的比较,用more.than“与其说与其说,不如,不如说说”。Shes more shy than unfriendly.与其说她不友好,不如说她害羞。与其说她不友好,不如说她害羞。d.比较级中的被比较对象与比较对象必须是属于互为分离的两个范比较级中的被比较对象与比较对象必须是属于互为分离的两个范围。围。Shanghai is bigger than any other city in China.上海要比中国其它城市要大。上海要比中国其它城市要大。Shanghai is bigger than any city in Africa.上海要比非洲任何城市要大。上海要比非洲任何城市要大。语法专练语法专练1._,and you can see the whole city of Nanjing clearly.A.If you climb to the hill B.Unless you reach the top of the hill C.Get to the top of the hill D.Standing on the top of the hill 解析:解析:有有and and 连接是并列句。连接是并列句。A A、B B都是从句,都是从句,D D为分词作状语。为分词作状语。答案:答案:C2.Tired_ he was,he decided to finish the task.A.because B.since C.if D.as 解析解析:as(as(尽管尽管)引导让步状语从句,从句需倒装。将句子的表语引导让步状语从句,从句需倒装。将句子的表语 副词、动词提到句首。表语是单数可数名词,冠词省略。副词、动词提到句首。表语是单数可数名词,冠词省略。答案:答案:D3.Trees must be planted_there is a lot of sunlight.A.in which B.that C.which D.where 解析:解析:wherewhere引导地点状语从句,表引导地点状语从句,表“在在地方地方”。答案:答案:D4.I recognize
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