2022年从句大全,推荐文档 .pdf
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1、4同位语从句 是名词性从句(主语从句、表语从句、宾语从句、同位语从句)中的主要从句之一,从句作同位语表示与之同位的名词(短语)的实际内容,它的作用相当于名词,对前面的名词(短语)加以补充说明或进一步解释,相当于一个表语从句,它们之间的关系是同位关系,即主表关系。5定语从句 是由关系代词或关系副词引导的从句,其作用是作定语修饰主句的某个名词性成分,相当于形容词,所以又称为形容词性从句,一般紧跟在它所修饰的先行词后面。(举例子说明):主语从句在复合句中充当主语成分的句子叫做主语从句。常规主语从句,即句子在复合句中充当一个主语。主语从句的时态:不受主句的时态影响和限制。(1)That he fini
2、shed writing the composition in such a short time surprised us all.(2)Whether we will go for an outing tomorrow remains unknown.(3)Who will be our monitor hasnt been decided yet.(4)Whom we must study for is a question of great importance.(5)What caused the accident remains unknown.(6)Whatever you di
3、d is right.(7)Who the watch belongs to is unknown.(8)What we need is time.(9)What we need are good doctors.主语从句小结:(1)引导主语从句连词有that,whether,who,what,whatever等。(2)连词位于句首不能省略。(3)主语从句大多数情况下视为第三人称单数,但也有例外,如例(9)名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页,共 13 页 -宾语从句定义宾语从句就是一个句子作动词或介词的宾语。宾语从句在复合句中作宾语,位于 及物动词后;Tell him w
4、hich class you are in.Do you know what he likes?【注】宾语从句的分类:A、作动词的宾语:eg I heard the newsI 主语heard 谓语动词the news.名词作宾语I 主语heard 谓语动词that he would come here later on.一个句子作宾语-宾语从句B、作介词的宾语:eg He said nothing about this plan。He 主语said 谓语动词nothing 代词作动词的宾语about 介词the plan.名词作介词的宾语折叠三要素语序宾语从句必须用陈述语序。False:He
5、 is wondering when can he finish this difficult job.Right:He is wondering when he can finish this difficult job.【注】否定前移,及完成反意问句;在 think/believe/suppose/guess/imagine/expect等动词后跟宾语从句否定式时,可以转移到主句上去,完成反意疑问句时,应与从句主、谓保持一致。(注:否定前移的条件是,主句主语是第一人称)I dont think you are right,are youI dont believe they have fi
6、nished their work yet,have they名师资料总结-精品资料欢迎下载-名师精心整理-第 2 页,共 13 页 -【注】在表示建议suggest,advise;要求 demand、desire、require、request、propose;决定 decide;命令order、command;坚决主张insist;等动词后跟宾语从句,用(should)+v(虚拟语气)I suggested that you(should)study hardHe ordered that we should go out at once【注】如果宾语从句后有宾语补足语,用it 作形式宾语
7、,把宾语从句后置You may think it strange that he would live there折叠三要素连接词带有宾语从句的复合句就是用连接词把一个主句和一个宾语从句连接在一起。连接词有:that 可省略,what,who,when,where,why,which,if,whether,how.1从句为陈述句,常选择连接词that 或将 that 省略,直接与主句相连。【注】that 常在以下情况下不能省略(1.当 that 作 learn,suggest,explain,agree,wonder,prove,mean,state,feel,hold等动词的宾语时;(2当宾
8、语从句较长时;(3当主语状语置于主句尾,宾语从句之前时;(4当主语谓语动词(包括非谓语动词)与宾语从句之间有插入语时;(5当一个动词带有两个或两个以上宾语从句时,此时第一个that 可以省略,第二个that不可以省略;(6当宾语从句中的主语是this,that 或 this,that 做主语的定语时;(7当宾语从句是双宾语中的直接宾语时;(8当宾语从句的主语是非谓语动词或主语从句时;(9当主语中的谓语动词是固定词组时;(10当宾语从句有it 做先行词时;(11在直接引语中,转述分句把宾语从句隔开时.名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页,共 13 页 -2从句为一般疑问句,常
9、选择连接词if 或 whether。在 whether or not 结构中不能用if 替换。【注】if/whether 区别if 和 whether 在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if少数动词,如:leave,put,discuss,doubt 后的宾语从句常用whether.whether 后可以加 or not,但是 if 不可以.在不定式前只能用whether.如:I cant decide whether to stay.我不能决定是否留下。避免歧异时,我们常用whether 而不用 if.3从
10、句为特殊疑问句,常选择what,when,where,which,why,who,how 等的疑问代、副词作连接词。当 who 为主语时,句式为:who+谓语+其他.折叠三要素时态1主句是一般现在时,从句现在时态不变。He says(that)he will leave a message on my desk.They know(that)he is working hard.2主句是一般过去时,从句为各种相应还是过去时态。He answered that he was listening to me.3主句是一般将来时,一般从句为一般现在时(“主将从现”)4.当从句所叙述的事实为一个定理或
11、客观存在时,无论主句是什么时态,从句均用一般现在时。但与人有关的均不是定理。He told me that he was a boy.(虽然性别是客观存在的,但“男”“女”也是人为定义的,故非第 4 种情况)Father told me that practice makes perfect.(所叙述的事实为一个定理,用一般现在时)名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页,共 13 页 -折叠动词的宾语从句一般情况下大多数动词都可以带宾语从句We all expect that they will win,for members of their team are strong
12、er.我们都预料他们会赢,因为他们的队员更强壮.He told us that they would help us though the whole work.他告诉我们在整个工作#中,他都会帮忙的.部分“动词+副词”结构也可以带宾语从句动词短语也可以带宾语从句常见的这些词有:make sure 确保make up one s mind 下决心keep in mind 牢记例句:Make sure that there are no mistakes in your papers before you turn them in.在上交试卷前确保没有任何错误.折叠 it 的宾语从句动词 fin
13、d,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it 做形式宾语而将 that 宾语从句后置.例句:I think it necessary that we take plenty of hot water every day.我认为每天多喝开水是有必要的.I feel it a pity that I haven t been to the get-together.我没去聚会,感觉非常遗憾.I have made it a rule that I keep diaries.我每天写日记成了习惯.名师资料总结-精品资料欢迎下载-名师精心整理-第 5
14、页,共 13 页 -We all find it important that we(should)make a quick decision about this matter.我们都认为对这件事马上做出决定很重要.有些动词带宾语从句时需要在宾语与从句前加it这类动词主要有:hate,take,owe,have,see to.I hate it when they speak with their mouths full of food.我讨厌他们满嘴食物时说话.He will have it that our plan is really practical.他会认为我们的计划确实可行.W
15、e take it that you will agree with us.我们认为你会同意我们的.When you start the engine,you must see to it that car is in neutral.开启发动机时,一定要使汽车的离合器处于空挡位置.若宾语从句是wh-类,则不可用it 代替We all consider what you said to be unbelievable.我们都认为你所说的是不可信的.We discovered what we had learned to be valuable.我们发现我们所学到的东西都是有用的.折叠介词的宾语
16、从句用 wh-类的介词宾语从句We are talking about whether we admit students into our club.我们正在讨论是否让学生加入我们的俱乐部.The new book is about how Shenzhou 6 manned spaceship was sent up into space.这本新书是关于神州6 号载人航天飞船是如何升如太空的.用 that,if 引导的介词宾语从句有时候except,but,besides 三个介词后可见到that 引导的宾语从句I know nothing about my new neighbor ex
17、cept that he used to work with a company.名师资料总结-精品资料欢迎下载-名师精心整理-第 6 页,共 13 页 -对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.折叠形容词的宾语从句常用来引导宾语从句的形容词有:sure,certain,glad,please,happy,sorry,afraid,satisfied,surprisedI am sure I will pass the exam.我确信我会通过考试.I am sorry that I have troubled you so long.很抱歉我这么长时间在打扰你.He is g
18、lad that Li Ming went to see him when he was ill.很高兴在他生病的时候李明能去看望他.折叠编辑本段同位语从句与先行词同位或等同的从句叫作同位语从句。其关联词多为that。同位语从句用法比较固定,把关键的几个词背下来(下面这个材料供参考):一、在复合句中用作同位语的从句叫同位语从句。它一般跟在某些名词后面,用以说明该名词表示的具体内容。如:I heard the news that our team had won 我听到了我们队获胜的消息。I had no idea that you were here 我不知道你在这里。二、可以跟同位语从句的名
19、词通常有news,idea,fact,promise,question,doubt,thought,hope,message,suggestion,words(消息),possibility 等。如:Ive come from Mr wang with a message that he wont be able to see you this afternoon 我从王先生那里来,他让我告诉你他今天下午不能来看你了。三、英语中引导同位语从句的词中有连词that,whether,连接副词how,when,where等。(注:if 不能引导同位语从句。)如:l have no idea When
20、 he will be back 我不知道他什么时候回来。He must answer the question whether he agrees to it or not.他必须回答他是否同意这样一个问题。四、有时同位语从句可以不紧跟在说明的名词后面,而被别的词隔开。如:名师资料总结-精品资料欢迎下载-名师精心整理-第 7 页,共 13 页 -Several years later,word came that Napoleon himself was coming to inspect them几年以后,有消息传来说拿破仑要亲自视察他们。The thought came to him t
21、hat maybe the enemy had fled the city他突然想起可能敌人已经逃出城了。五、同位语从句与定语从句的区别。1同位语从句与前面的名词是同位关系,即说明它前面名词的内容;而定语从句与前面的名词是修饰与被修饰关系,即限定它前面的名词范围,或补充一些情况。如:The news that l have passed the exam is true 我通过了考试这一消息是真的。同位语从句,即从句所表达的意思就是前面名词的内容。The news that he told me just now is true他刚才告诉我的消息是真的。定语从句,从句对前面名词起修饰限制作用,
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