that和if引导的宾语从句

that和if引导的宾语从句

--- that 和if/whether引导的宾语从句

在复合句中,如果由一个句子充当宾语,这个句子叫做宾语从句。引导的宾语从句常见的关联词有that/whether,what,who,where,why,how等。

一.That引导的宾语从句

1、关联词

当宾语从句是陈述句时,用that引导,that在口语或非正式文体中常省略。

I think (that) he’ll return in an hour.

我想他将在一个小时以后回来。

(当宾语从句的主语是that时,that不能省略)

2、①如果主语为一般现在时从句可选任意适当的时态

I’m sorry to hear that you were ill last week.

听说你上周生病了,我很难过!

②如果主句是一般过去时,从句一般要用过去的某种时态

She didn’t know that Tom had left for Shanghai.

他不知道汤姆已经动身去上海了。

③当宾语从句是表达客观事实或自然规律的句子时,即使主句用过去的时态,宾语从句仍用一般现

在时态。

The teacher told us that light travels faster that sound.

老师告诉我们光的传播速度比声音快。

二.If/whether引导的宾语从句

当从句部分是一般疑问句或选择疑问句时,常用if或whether引导的宾语从句,if/whether意为‘‘是否’’。

I wonde if/whether he is a driver.

我想知道他是不是个司机。

爱丽丝想知道她考试是否及格了。

涉及that等引导的定语从句

涉及that等引导的定语从句 定语从句历年都是高考的重难点,尤其是涉及that,which,as的考题。下面是定语从句的语法规则和具体应用,希望同学们好好揣摩。 一、限制性定语从句只能用that的几种情况 1. 当先行词是anything,everything,nothing (something 除外),few,all,none,little,some等代词时,或者是由every,any,all,some,no,little,few,much,each等词修饰时。例如: Have you taken down everything (that)Mr. Smith has said?你记下了斯密思先生说的一切吗? There seems to be nothing (that)seems impossible for him in the world. 对他来说,没有什么不可能。 There is little (that)I can do for you. 对你,我无能无力。 由此可知,一般情况下,可将that用括号括住。部分时候that也可以省略。例如: All that can be done has been done. 今日事,今日毕。 此外,当先行词指人时,偶尔也可以用who。例如: Any man that/who has a sense of duty won’t do such a bad

thing. 任何一个有责任感的人不会做这样的坏事。 2. 当先行词被序数词修饰时,例如: The first place that they visited in London was the Big Ben. 他们访问伦敦时,首先去看大本钟。 3. 当先行词被形容词最高级修饰时,例如: This is the best movie that I have seen. 这是我看过最棒 的电影。 4. 当形容词被the very,the only,the same,the last,any,little等修饰时,例如: This is the very good dictionary that I want to buy. 这是很好的词典,我想买。 After the fire in his house,the old motorcycle is the only thing that he owned. 家里失火后,旧摩托是他唯一所有的东西了。 当先行词指人时,偶尔也可以用who,例如: Erik is the only person in our company who will attend the meeting. 艾里克是我们公司唯一出席会议的人。 5. 当先行词前面有who,which等疑问代词时,例如: Who is the man that is sitting at the corner?坐在角落里的是谁? Which is the T-shirt that fits me most?什么T恤衫最配我?

if和weather引导宾语从句的区别

2.whether和if的区别: 引导动词后面的宾语从句时,一般情况下二者可以通用;引导形容词后面的宾语从句时,二者可以通用(如: He is not sure whether/if it is right or wrong.)。但是以下 几种情况只能使用whether而不能使用if: A)引导主语从句时: Whetherwe shall attend the meeting hasn’t been decided yet.注意: 如果使用it作形式主语,则whether和if都能引导主语从句。如: It hasn’t been decidedwhether/ifwe shall attend the meeting. B)引导表语从句时: The question iswhetherthe film is worth seeing. C)引导同位语从句时: D)引导动词后面的宾语从句置于句首时: Whethershe is married I don’t kn ow.E)引导动词后面的宾语从句表示选择概念时: 1) He wonderedwhetherhe should wait for them or go on. 2) He wonderedwhetherhe should go there by air or by sea. F)引导动词后的宾语从句,后面紧接or not时: 当or not置于句末时,也可使用if。如: They discussedwhetherJohn could attend the meeting.H)引导介词后面的宾语从句时:

It all depends onwhetherthey will support us. I)后接动词不定式作宾语时: He doesn’t knowwhetherto stay (or not). J)为了避免与表示条件的if重复或为了避免产生歧义时,常使用whether: 1) He askedwhether, if I got the job, I’d move to Beijing. 2) Please let me knowifyou like it.该句可译为“请告诉我你是否喜欢。”或“如果你喜欢,请告诉我。”如果使用whether就可以避免产生歧义。 注意: whether可以引导让步状语从句,意为“不论是否…,不管是…还是…”。例如: WhetherI am busyor not, I shall spare no effort to learn English well. 3.疑问词与关系词的区别: A)疑问词引导的名词性从句含有疑问意义;关系词引导的名词性从句不含有疑问意义,相当于一个名词或代词后加一个定语从句。注意以下关系词引导的名词性从句: 1) What he said proved to be right.他所说的后来证明是对的。 2)He is no longer what he was five years ago.他已不再是五年前的样子了。 3)The morning is when I’m busiest.早上是我最忙的时候。 4) This is where I disagree.这一点是我所不同意的。 5) The coat is where you left it.大衣还在你原来放的地方。 6) That’s how I look at it.这是我对这个问题的看法。 7) That’s why I object to the plan.这就是我反对这个计划的原因。

定语从句中that 和which的用法

定语从句中的that和which的用法 引导定语从句的关系代词有:that(指人或物),which (指物),who (指人).指人时可用that或who ;指物时可用that 或which 。 That和which在从句里都可以做宾语和主语,做宾语时可以省略。指物时,两者一般可以互换,但在下列情况下只能用that: 1)当先行词是all ,any ,anything ,everything ,nothing 或被它们修饰时.例如: Is there anything that I can do for you 有什么可以为你做的吗? All that can be done must be done . 凡是能做的都必须做. 2)当先行词被形容词的最高级或序数词修饰时.例如:That is one of the most interesting books that are sold in the bookshop . 那是这家书店出售的最有趣的书之一. The first thing that we should do is to get some food . 我们该做的第一件事是弄点吃的. 3)当先行词有:the only ,the very ,the same ,the last 等修饰时.例如:

My necklace is not the only thing that's missing . 我的项链不仅是丢掉的东西. 4)当主句以who或which开头时,定语从句中引导词用that ,不用which 或who .以避免重复.例如: Who is the girl that is wearing a red coat 正穿一件红色外套的女孩子是谁? 5)当先行词既有人又有物时,用that .例如: The writer and his novel that you have just talked about are really well known . 你刚才谈起的那位作家以及他的小说确实很著名. 请注意: 以下几种只能使用which的情况: 1.引导非限制性定语从句,用which。 2.在“介词+关系代词”结构中,关系代词必须用which。 如:The house in which we live is very large. 我们住的房子非常大。 This is the reference book of which the teacher is speaking. 这就是老师正在谈及的那本参考书。 注意:如果介词不放在修饰事物的限定性定语从句的句首,which就可换为that,例如:This is the question which/that we've had so much discussion about. =This is the question about which we've had so much discussion.

THAT用法情况总结

THAT用法总结 第一、that 用作形容词(后接复数名词时用those) 它用来指已被提到的人或物;也可表对比,指两个中较远的那个。 What about that book you borrowed from me last month? 请注意,that 有时候在句子中具有喜欢或轻蔑等感情色彩。 that little son of his 他那个小宝贝儿子 That George!乔治那家伙!(含有轻蔑语气) 第二、that 用作代词。 1. that 用作指示代词(复数形式是those),其指代意义同形容词用法,同时它还可以用作定语从句中的先行词;还可为了避免重复,代替前述名词。 .that用来替代前面提到的特指的事物,所代替的名词可以是可数名词,也可以是不可数名词.代替可数名词可以用the one替换.但其前面不可用任何限定词修饰.例如: 1)The population of China is larger than that of Japan.(that代替不可数名词population,不可用the one替换) 2)The headteacher in your class is younger and more active than that in theirs.(that代替可数名词headteacher,可用the one替换) that 代替指物的单数可数名词或抽象不可数名词,一般是特指的 those 代替指人或指物的复数名词,一般是特指的=the ones one 代替指人或指物的单数可数名词,一般是泛指的 ones 代替指人或指物的复数名词,一般是泛指的 That is what he told me. What is that (which) you have got in your hand? The price of rice is higher than that of flour. 2. that 用作关系代词,引导限制性定语从句。先行词可人可物,用法相当于who或which。(但是在下列情况下多用that:先行词既有人又有物时;先行词有形容词最高级、序数词、不定代词、very,only等修饰时;先行词是不定代词时)He talked about the teachers and schools that he had visited. I think it one of the most wonderful films that the film company has ever produced. She has little information that is useful for our research. Is there anything that I can do for you? 请注意,that 在定语从句中作宾语时通常可省略。 The books (that) I sent you will help you in your studies. 第三、that 用作连词,引导名词性从句,状语从句和强调句。 1. that名词性从句。 ①引导宾语从句。及物动词后的引导词that可省略。 I didn't expect (that) he could win the championship. The teacher pointed out that Tom was not working hard enough.

That 引导的宾语从句

That 引导的宾语从句 如:he suggests that the park is very popular. Lingling thinks the park will be busy . I don’t think they allow people to swim in the lake . 放在动词后面作宾语的句子,叫宾语从句。分三类,,一类是that 引导的宾语从句,二是whether(无论)/if 如果,引导的宾语从句。还有就是连接代词,连接副词引导的宾语从句。 (1)that 引导宾语从句,that 没有实际意义,通常可以省略。但不一定所有的动词可以接that 宾语从句。常用的有:suggest think believe expect feel hear hope prefer Promise report say see tell understand warn(警告) (2)有时that 是不能省略 宾语从句主语是that,如:he says that that is a useful book. 当宾语从句前有插入语时。如:it says ,on the card ,that it is made in China. 当宾语从句中含有主从复合句时。I’m afraid that you lost it ,you must pay for it 当两个或多个宾语从句并列连词连接时,除第一个从句中that 可以省略外,其 它从句的that 不能省略。如:he says the film was interesting and that he enjoy it. (3)宾语从句的时态 主句现在的现在某种时态(一般现在时,现在进行时,现在完成时)从句可根实际情况来定。 如果主句是过去的某种时态(过去进行时,一般过去时)宾语从句一定要过去的某种时态。(包括,一般过去,过去进行时,过去将来时,过去完成时) 宾语从句表示是客观事实或真理,主句是过去式,从句也用一般现在时。 Teacher told me that the earth is round . (4)宾语从句中的否定转移, 谓语动词是think believe 等,做否定时,主句是否定,从句是肯定句。

if引导的条件状语从句中考解析

If引导的条件状语从句 [课本链接] If you do, you’ll be sorry. (Unit 5, Section A) [定义] 条件状语从句通常由if(如果),unless(除非),as long as(只要)引导。 if引导的条件状语从句表示假如从句的动作发生,主句的动作就(不)会发生。[句子结构] 中考考点之[时态呼应] 在复合句中: ⑴当主句是一般现在时或是一般将来时时; (2)当主句是祈使句时; (3)当主句含有情态动词时,if引导的条件状语从句通常用一般现在时。如:

例句: If she doesn’t come, she will be sorry. 如果她不来,她会遗憾的。 Have a good rest if you are tired. 如果累了,你就好好休息一下。 We must study hard if we want to pass the final exam. 如果想通过期末考试,我们必须努力学习。 [同义句转换] 1. If引导的条件状语从句可以用“祈使句,+and / or +一般将来时的句子”转换。 祈使句,+and+陈述句可以转化为if 引导的肯定条件状语从句。 祈使句,+or+陈述句可以转化为if 引导的否定条件状语从句。如: If you work hard, you’ll pass the exam easily. → Work hard, and you’ll pass the exam easily. 努力学习,你将很容易通过考试。 If you don’t hurry up, you’ll miss the train. → Hurry up, or you’ll miss the train. 快点儿,否则你就赶不上火车了。 真题(2010重庆中考)Work hard,________ you may catch up with your classmates soon. A.or B.but C.and D.yet 课后练习:用if连接下列句子 1、Go to bed early,and you will have a good rest. 2、Hurry up, or you’ll miss the bus. 2. 用含介词with或without的介词短语转换。如: If there is no water, fish can’t live. → Fish can’t live without water. 离开水,鱼不能生存。 [if引导的条件状语从句和宾语从句的区别]

由what、how、if引导的宾语从句

1.在句中担当宾语的从句叫宾语从句,宾语从句可作谓语动词的宾语,也可做介词的宾语。 eg, He said he was good at drawing. (动词宾语) He asks him how long Mike has been down . (动词宾语) Miss Zhang is angry at what you said. (介词宾语) 2.宾语从句的引导词有三类: (1) 以that 引导的宾语从句,主要用来引导句形式的宾语从句,that可以省略。eg, The radio says (that) the clouds will lift later on. She told me (that) she would like to go with us. (2) 以连接代词which, what, who等或连接副词how, where, why 等引导的宾语从句,从句是陈述语序 eg, Could you tell me what's the matter with u? I want to know how soon it will begin. (3) 以whether 或if 引导的宾语从句, 主要用来引导一般疑问句意思或选择疑问句意思的宾语从句,从句同样是陈述语序 eg, I wonder if /whether u have told the new to Li Lei . 3.宾语从句的时态 (1) 当主句为一般现在时态、现在进行时态、或一般将来时态时,从句可用所需要的任何时态。 eg, I want to know what time he got up this morning. You are telling me that you won't stop until tomorrow? (2) 当主句为一般过去时态时,从句要用于过去有关的时态。 eg,They asked what Jean was doing now . Linda said that the train had left. (3) 当从句表述的是客观真理或自然现象时,宾语从句要使用一般现在时。 eg, Lisa asked whether light travels faster than sound. Polly said no news is a good news 注意:一般情况下, W h e t h e r和if 可以互用,但有些情况例外。 1. 当从句做介词的宾于是只用whether 不用I t eg, We are talking about whether we'll go on the pinic. 2. 引导词与动词不定式或not 连用时,只用w h e t h e r. eg, Please let me know what to do next. Could you tell me whether u go or not? 3. if当如果讲时,引导的是条件状语从句,这时不能用whether. e,g, You can't work the plan out if you don't have the meeting .

定语从句中that和which的用法;微习题

that和which引导的定语从句:微习题 用which 或that填空: 1. You should hand in all _________you have. 2.Please send us all the information ________you have about the candidate for the position. 3. What is the first American film _______you have seen? 4.The first place________ they visited in London was the Big Ben. 5. This is the best________ has been used against pollution. 6.This is the most exciting film _______I ever seen. 7. They talked about the persons and things ______ they remembered at school. 8. Which is the T-shirt _______ fits me most? 9. That is the very book _____he is looking for. 10.He is the only man _______ can do the work. 11. Tom was late for work again this morning,_______ made the boss angry. 12. Football, ________is a very interesting game, is played all over the world. 13. This is the place in _______ Lu Xun used to live. 14. The chair on ______ she sat is made of wood. 15. He lived in a big house, in front of _______ stood a big tall tree. 答案: 1. that 2. that 3. that 4.that 5. that 6. that 7. that 8. that 9. that 10. that 11. which 12. which 13. which 14. which 15. which

so…that的用法

so…that 、such…that、so that的用法 so…that…和such…that…引导的分句都是结果状语从句,so that既可以引导目的状语从句,也可以引导结果状语从句。 一、s o... that...句型中的so是副词,常常用来修饰形容词或副词,意思是“如此/这么……以致于……” 1. 常用句型为:主语+谓语+so+adj. / adv. + that从句。 The boy ran so fast that I couldn't catch him. He was so angry that he couldn't say a word. 2. so+形容词+a(n)+单数名词+that从句。例如: She made so good a meal that we all ate far too much. 她做的饭菜那么好吃,结果我们都吃得太多了。 It was so good an exhibition that I went to see it several times. 展览是那么好,结果我就去看了好几次。 It was so fine a day yesterday that we all went out for a picnic. 昨天天气很好,我们都出去野餐了。 3. so+many / much / few / little(少)+名词+that从句。 当名词前有many、much、few、little(少)等词修饰时,句子中要用so...that...而不能用such...that...。例如:I’ve had so many falls that I’m black and blue all over. 我跌了那么多跤,全身跌得青一块,紫一块的。 There was so much work to do that everybody got bored. 有这么多的事要做,人人都感到厌烦了。 There was so little water in the jar that it was not enough for all of us. 缸里的水太少,不够我们这些人用的。 (注:当little的意思是“小”时,仍用such...that...) 二、在such... that...句型中,such修饰名词,意思也是“如此……以致于……”。such…that…引导四种不同的 句子结构: 1. such+a(n)+形容词+单数名词+that从句。例如: This is such a good book that all of us like it very much. 这是一本很好的书,我们大家都喜欢读一读。 It was such a fine day that nobody wanted to stay at home. 天气这么好,没有人愿意呆在家里不出去。 It was such an interesting film that I saw it twice. 这是一部很有意思的电影,我看了两次。 2. such+形容词+复数名词+that从句。例如: He had such long arms that he could almost touch his knees. 他的胳膊很长,几乎就能够到他的膝盖。 They are such good students that the teacher likes them. 他们都是很好的学生,老师喜欢他们。 3. such+(形容词)+不可数名词+that从句,例如: It was such fine weather yesterday that we went swimming. 昨天天气很好,我们去游泳了。 4. one (no, any, all, many, some, several, 等)+such+可数名词+that从句。例如: There are many such good books that I can’t decide which one to choose. 有这么多的好书,我无法决定选择哪一本。He gave us several such examples about the phrase that we understood it pretty well. 关于这个短语,他举了好几个这样的例句,我们终于完全弄懂了。 三、so that 既可以引导目的状语从句又可以引导结果状语从句. 引导目的状语从句时可译为"为了" ,引导结果状语从句时可译为"以便" 如:I speak loudly so that all the students can hear me clearly.(目的状语从句) Maria likes the woolen dress so that she decides to buy it immediately .(结果状语从句) (1)so that引导目的状语从句时,表示“以便;为了”,从句中常使用can /could /may /might /will /would /should 等情态动词或助动词;引导结果状语从句时,从句中一般不用can和may等词。 (2) So that引导的目的状语从句之前不用逗号,而so that引导的结果状语从句与主句之间往往有逗号相隔开 (即略作停顿),意思是“因此;所以”。请比较: He worked hard at his lessons so that he could gain high grades in the exams.他努力学习功课,争取考试能获得好成绩。 He worked hard at his lessons, so that he gained high grades in the exams.他努力学习,结果考试获得了好成绩。 四、“so…that…”和“such…that…”可以相互转换

If引导的条件,虚拟,宾语从句练习

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