中考英语语法:it的9种主要句式

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高考英语语法总复习7it的用法课件

高考英语语法总复习7it的用法课件

A. it
B. her
it作形式宾语
C. that
D. this
★it知识点补充★
it变化成形物代形式 注意区分its和it’s
it→its(它的)
it’s=it is
it和现三单 It sounds good.
it
it变化成反身代词 it→itself(它自己)
it变化成复数形式 it→they(他们 主格) it→them(他们 宾格)
注意: 某些动词(短语)后接从句时要用it作形式宾语,再接从句,构成“动词(短语)+it+that/if/when/...从句”,如: ①I hate/like it when... 我讨厌/喜欢... ②You should see to it that... 你应该确保... ③You can depend on it that... 你可以相信... ④I can’t help it if... 如果...我也没有办法 ⑤I would appreciate it if... 如果...我将感激不尽
★常用it作形式主语的句式★
(5)用于It is/was...that/who... 强调句中 1.It was they that/who cleaned the classroom yesterday.
昨天是他们打扫的教室。
2.They cleaned the classroom yesterday.
were using ___it___ every day.
此处作using的宾语,根 据语境可知,所填词指 代上文的railway,故填
it
(4)作形式主语或形式宾语,代替动名词、不定式或从句
2.I find it difficult to work with him.

英语语法_it作形式主语或宾语

英语语法_it作形式主语或宾语

The team is headed by a 44-year-old Mongolian, whose wife is a Tibetan.The Tower of London, where so many people lost their lives, is now a tourist attraction.She is going to spend the summer holidays in Qingdao, where she has some relatives.They will fly to Kunming, where they plan to stay for two or three days, and then go on to Guilin.She was very fond of speaking French, which indeed she spoke well.They turned a deaf ear to our demands, which enraged all of us.She married Joe, which surprised everyone.Which表示this或that时,也可用于in which case, at which point, on which occasion等说法:I may have to work late, in which case I’ll telephone.The speaker paused to examine his notes, at which point a loud crash was heard.As was usual with her, she took a walk around here after supper.The output, as is reported, has been doubled in the past three years.I smiled broadly, as I always do in those situations.He opposed the idea, as could be expected.She was not unconscious, as could be judged from her eyes.限制性定语从句The girl to whom I spoke is my cousin.This is the man to whom I referred.This is the question about which we’ve had so much discussion.The tool with which he is working is called a wrench.The agency from which we bought our tickets is bankrupt.限制性和非限制性定语从句的理解My brother who is a doctor lives in New York.My brother, who is a doctor, lives in New York.My brother who is a doctor lives in New York.我有不止一个brother,其中当医生的那个在纽约工作。

中考英语语法总复习:九大句子成分(主谓宾定状补)

中考英语语法总复习:九大句子成分(主谓宾定状补)

中考英语语法总复习:九大句子成分(主谓宾定状补)构成篇章的基本单位是句子,每个句子是由词或短语构成的,这些词或短语便是句子成分。

不同的内容需要不同类型的句式结构,这些句式结构又构成英语中不同的句子类型。

句子成分、基本句型、句子种类、句子结构时英语句法的基础。

组成句子的各个部分叫作句子成分。

句子成分包括:主语(subject)、谓语(predicate)、表语(predicative)、宾语(object)(直接宾语、间接宾语)、宾语补足语(object complement)、主语补足语(subject complement)、定语(attribute)和状语(adverbial)等。

主语和谓语是句子的主题部分,其他成分如定语和状语是句子的次要部分。

一、主语名词、代词,数词、不定式、动词的-ing形式、从句等可作句子的主语。

1)名词或名词短语作主语例句:The instinct of a man is to pursue everything that flies from him,and to fly from all that pursue him.人的本能是追逐从他身边飞走的所有东西,却逃离追逐的东西。

例句:The Lord prefers common-looking people.That is the reason he makes so many of them.上帝喜欢长相平凡的人,所以他创造了这么多普通的人。

例句:A light wind woke among the trees.微风从林间掠过。

2)代词作主语例句:This is all I want.Nothing else.这就是我想要的全部,没别的。

例句:Who teaches you folk music ?谁教你们民间音乐?例句:We do not remember days;we remember moments.我们并不记得每一天;但我们记得某些时刻。

高中英语语法:it的用法

高中英语语法:it的用法

6.When he was about to go out, it began to rain.
It was when he was about to go out that it began to rain.
7.I did not realize she was a famous film star until she took off her dark glasses.
3. This is not my book. It is Mary’(osb. ject)
4. Whose jacket is that? It is mine(.pronoun)
5. It’s half past five now. (time) 6. It’s getting colder and cold(ewre.ather) 7. Is it very far to the post office(d?istance) 8. It was very quiet at the momen(etn. vironment) 9. How is it getting with you?
They met Tom in the street yesterday. It was they who/that met Tom in the street yesterday.
(主语) It was Tom hat they met in the street yesterday.
(宾语) Was it in the street that they met Tom yesterday?
8.It was 11:00 when they arrived at the factory. 9.It will be July 1 when we meet again. 句型:It +be +具体时间+when 从句

高中英语语法讲解 it的用法

高中英语语法讲解 it的用法

it的用法(2)编稿:牛新阁审稿:王春霞概念引入上个单元中,我们已经学习it作代词和形式主语、形式宾语的用法,现在将继续学习it引出强调句的用法及一些与it有关的重点句型。

先看这些句子:1. There is no doubt that the earth is being warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon.2. It was a scientist called Charles Keeling, who made accurate measurement of the amountof carbon dioxide in the atmosphere from 1956 to 1997.3. They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.4. It was during the 20th century that the temperature of the earth went up about one degree Fahrenheit.这些句子都是强调句,中的斜体词部分标识出了句中的强调句结构。

用法讲解it引出的强调句1【高清课堂:it的用法----强调句】强调句的结构:It is / was + 被强调部分(主语,宾语,状语)+ that (who / whom) + 其它部分在强调句型中:1. 被强调部分可以是主语、宾语或状语。

2. 引导词一般用that,如果是人的话,强调主语还可以用who,强调宾语用who和whom皆可。

初中英语语法大全:9 英语五个基本句型

初中英语语法大全:9 英语五个基本句型

初中英语语法大全:英语五个基本句型1简单句、并列句、复合句根据语法形式,即句子的结构,英语的句子可分为简单句、并列句和复合句。

1简单句句型:主语+谓语只包含一个主谓结构,而句子的各个结构都只由单词或短语表示。

简单句有五种基本句型,详见第十七章。

They are playing baseball in the garden.他们正在公园里打棒球。

Her brother and sister both are teachers.她的哥哥和姐姐都是老师。

2并列句句型:简单句+并列连词+简单句(常见的并列连词有and,but,or)并列句是由两个或两个以上的简单句连接而成。

并列句中的各简单句意义同等重要,相互之间没有从属关系,是平行并列的关系。

它们之间用连词连结。

My friend was at home, and we talked for along time.我的朋友在家,我们谈了好长时间。

Her father is a doctor and her mother is a teacher.她父亲是个医生,她母亲是个老师。

I liked the story very much but Li Ming wasn't interested in it.我非常喜欢这个故事,可是李明却对它不感兴趣。

Hurry up,or you'll be late.快点,否则你就会迟到的。

3 复合句句型:主句+连词+从句;或连词+从句+主句(包含一个主句、一个或一个以上的从句,或只包含一个从句,但有两个或两个以上的主句的句子叫复合句。

)句子的成分组成句子的各个部分叫做句子的成分。

句子成分包括:主语、谓语、表语、宾语(直接宾语、间接宾语)、宾语补足语、定语和状语。

主语和谓语是句子主体部分(在英文中一般的句子必须有主语和谓语)。

表语、宾语和宾语补足语是谓语里的组成部分。

其他成分如定语和状语是句子的次要部分。

倒装强调it句型汇总

倒装强调it句型汇总
高考语法专题之特殊句式
【考点分析】
特殊句式主要包括倒装结构和强调结构及特殊 语境下的一些句式。其考点主要分布在: 各种句式的基本结构;各种句式的特殊情况; 与定语从句一起混合考查;完全倒装与部分倒装的 考查等。倒装结构和强调结构常出现在各个题型。 掌握倒装结构和强调结构有助于分清句子结构 和正确理解句意。因此,考生要能把握部分倒装、 完全倒装的常见句型及倒装形式,强调句型的 被强调成分,强调句与定语从句的区别等。
2 以否定词开头作部分倒装 如 Not only…but also, Hardly/Scarcely…when, No sooner… than 1) Not only did he refuse the gift, he also severely criticized the sender. 2) Hardly had she gone out when a student came to visit her. 3) No sooner had she gone out than a student came to visit her. 注意:not only…but also… 连接两个并列分句时, 第一个分句应使用部分倒装。 Not only does he do well in his lessons, but also he often helps others with their lessons.
4.一般疑问句的强调句为“Is (was) it +强调部分+ that…? 特殊疑问句为: “特殊疑问词+ is (was) it +that…?”结构。如: It is at 7:00 that he will leave for Hong Kong Is it at 7:00 that he will leave for Hong Kong? When is it that he will leave for Hong Kong? 5. “not…until…”句型的强调结构为 “It is/was not until…that…”如: It was not until he graduated from high school that he realized his mistakes. 6.区分定语从句和强调句型某些定语从句和强调句型形式 差不多,容易混淆。如果去掉it is /was that句子 仍然通顺成立,则为强调句型,成立不通顺, 则为定语从句。

高考英语临考冲刺 语法讲解 it用作形式主语代替动名词主要用于哪些句式

高考英语临考冲刺 语法讲解 it用作形式主语代替动名词主要用于哪些句式

2014届高考英语临考冲刺语法讲解:it用作形式主语代替动名词主要用于哪些句式it用作形式主语代替动名词的用法主要见于以下句式:1. It is no use (no good, fun, great fun, a new experience, a great honour, etc) doing sth。

如:It is no good talking. 空谈是没有用的。

It’s fun working for him. 为他工作很有意思。

It’s great fun sailing a bo at. 扬帆驾舟十分有趣。

It’s no use shouting at him—he’s deaf. 向他叫喊是没有用的——他耳聋。

It has been a great honour your coming to visit us. 你来看望我们是极大荣幸。

2. It is good (nice, useless, interesting, pleasant, tiring, etc) doing sth。

如:It is useless speaking. 光说没有用。

It was pleasant sitting there. 坐在那里很愉快。

It’s so nice sitting here with you. 和你坐在一起真是愉快。

It’s good hearing English spoken. 听到人讲英语,我很高兴。

It’s terribly tiring working late like this. 这样干到深夜是非常累人的。

3. it is worth while doing sth。

如:It’s worth while doing the work. 这项工作值得做。

Do you think it’s worth while quarrelling with me? 你认为和我吵值得吗?4. 其他句式。

It句式的用法归纳

It句式的用法归纳

It句式的用法归纳摘要:It句式是英语语法知识中的重点内容。

若要更好地掌握其考点,须在大量练习、实践并对比的基础上,不断探索与总结,方能更加运用自如。

本文就It不同句式的用法分别加以阐述。

关键词:It句式;用法;归纳作者简介:赵先福,男,1969年生,甘肃永登人,任教于甘肃省永登县第一中学。

It句式是大纲要求掌握的重点内容之一,它有多种用法,在历年的高考中均有与其相关的考题,下面笔者就其不同句式的用法分别加以阐述。

一、it用作形式主语时,主语从句后置常见的几种结构(1)It is/was +形容词+subject clause(可用于此句型的形容词有clear, certain, funny, good, impossible, likely, natural, obvious, strange, surprising, true, wonderful等)。

例如:It is possible that the constant rising of the oil price will affect the development of the world economy.It is obvious that going for sports will do much good to your health.注意:若该句型中的形容词为necessary, right, strange, natural,wonderful等时,主语从句中可用虚拟语气(should+动词原形,should可以省略)。

例如:It is important that we (should) learn English well.(2)It is/was +名词词组+ subject clause(可用于此句型的名词词组有a pity, a duty,a good thing, no surprise, an honour, a fact, a shame, a mystery, manners等)。

高考英语语法:高中英语语法,“Itis……”句式归纳之一

高考英语语法:高中英语语法,“Itis……”句式归纳之一

高考英语语法:高中英语语法,“Itis……”句式归纳之一《高中英语语法-“ It is……”句式归纳之一》由留学英语组编辑整理(www.)。

本内容整理时间为05月12日,如有任何问题请联系我们。

“ It is……”句式归纳之一高中英语教材中出现了不少“ It is ……”这样的句子。

其中it 表达的意义不同,“ It is ……”的含义也就不一样。

本文在此将教材中出现过的这类句子罗列出来,供同学们学习时参考。

一 . It is time ( for sb. ) to do sth. 意为“该是某人做某事的时候了”。

例如:It's seven o'clock now. Mike, it is time ( for you ) to go to school.7 点了。

迈克,你该去上学了。

此句式的变异形式为: It is ( high ) time that sb did sth. 该句式表示“某人现在该做某事了”,从句中谓语动词常为过去式,说明现在应该做的事情。

例如:It's six o'clock. It is high time that we went home now.6 点钟了。

该是我们回家的时候了。

二. It is … when …可用于下面两种场合:1. when 是连词,引导时间状语从句,意为“……的时候已是几点钟”。

例如:It was eight o'clock in the morning when they went shopping.当他们去买东西的时候已经是上午 8 点了。

2. when 是关系副词,引导定语从句,它本身在从句中作时间状语。

例如:It was July 10,1992,when he graduated from Nanjing University.他 1992 年 7 月 10 日毕业于南京大学。

三 . It is / has been + 一段时间 +since 从句。

it句型归纳总结大全

it句型归纳总结大全

it句型归纳总结大全"it"句型是英语中常见的一种句型结构,通常用来强调或者指代特定的事物或情况。

下面是对"it"句型的归纳总结:1. 强调句型:It is (was) + 被强调的部分 + that/who + 其余部分。

例,It is the book that I want to read.(我想读的就是这本书。

)。

例,It was Mary who broke the window.(打破窗户的是玛丽。

)。

2. 虚主语句型:It + be + 形容词 + to do.例,It is important to learn English well.(学好英语很重要。

)。

3. 虚宾句型:It + be + 名词 + to do.例,I find it a pleasure to work with you.(我觉得和你一起工作很愉快。

)。

4. 指代句型:It + be + 形容词 + (for sb.) + to do sth.例,It is easy for me to solve the problem.(对我来说解决这个问题很容易。

)。

5. 天气句型:It + be + adj. + (for sb.) + to do sth.例,It is hot for us to go out.(对我们来说出去很热。

)。

6. 距离句型:It + be + 距离 + to + 地点。

例,It is five kilometers to the station.(离车站还有五公里。

)。

以上是对"it"句型的归纳总结,希望对你有所帮助。

如果你还有其他问题,欢迎继续提问。

中考英语总复习之动词不定式-详解与练习

中考英语总复习之动词不定式-详解与练习

概念:动词不定式由to+动词原形构成。

这里的to是不定式标志,没有词义。

不定式具有名词、形容词或副词的某些语法功能,又有动词的时态和语态的特点及作用。

可以做主语、宾语、宾语补足语、表语、定语、状语。

一、作主语动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种:(1)把不定式置于句首.如:To get there by bike will take us half an hour。

(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中.如:①It+be+名词+to doIt's our duty to take good care of the old.②It takes sb+some time+to doHow long did it take you to finish the work?③It+be+形容词+b+to doIt is difficult for us to finish for swriting the composition in aquarter of an hour。

在句型③中,常用表示客观情况的形容词,如:easy,difficult,hard,important,possible,impossible,comfortable,necessary,better; the first,the next,the last,the best,too much,too little,not enough④It+be+形容词+of sb+to doIt is stupid of you to write down everything the teacher says.在句型④中,常用careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise rude,clever,foolish,thoughtful, thoughtless(欠考虑的;不考虑的),brave,considerate(考虑周到的),selfish(自私的)等表示赞扬或批评的词。

中考英语语法--祈使句、感叹句、反义疑问句、it、倒装句

中考英语语法--祈使句、感叹句、反义疑问句、it、倒装句

其他it作形式主语
It作形式宾语
• it用作形式宾语的句型为:主语+谓语+it +宾语补足语+动词不定式/动名词/从 句。该句型中宾语补足语可由形容词、名 词等充当。

--- Don‟t go out, please. It‟s raining heavily outside. • 请不要出去。外面雨下得很大。 • ---- Yes, I will. I have to meet my brother at the airport. • 不行,我得去机场接我弟弟。
8,陈述部分有have to +v.原 (had to + v.原),
疑问部分常用don„t +主语(didn‟t +主语)。
We have to get there at eight, don't we? 9,陈述部分若为主从复合句,疑问部分的主 语通常与主句的主语一致。 She said he would come tomorrow, didn‟t she? He told us how to get to the farm, didn‟t he?
祈使句的否定句式
祈使句的பைடு நூலகம்答
• 祈使句的动作通常是表示将来发生的动作, 所以回答祈使句时,一般用will或won‟t。 在回答具有否定意义的祈使句时,要注意 两点:一是形式一致,即Yes与will保持一 致;No与won‟t保持一致。二是意思相反, 即Yes是不的意思;No是“是”的意思。 在回答时,要注意分析上下文语境中所提 供的条件。
前肯后否 前否后肯
• Jim is doing his homework, isn‟t he? • Tom wasn‟t watching TV at 8 yesterday, was he? • You went to Beijing yesterday, didn‟t he? • You knew nothing about him, did you? • There is little water in the cup, is there? • There are a few apples in the bag, aren‟t there?

中考英语语法学习之强调句用法与高频考点

中考英语语法学习之强调句用法与高频考点

中考英语语法学习之强调句用法与高频考点一、强调句型为了强调句子的某一成分(通常是主语、宾语、或状语),常用强调句型:It is (was) +被强调部分+that(who)…表示强调的 it 在句子中作主句的主语;被强调部分可以是主语,宾语,表语或状语;强调的主语如果是人,that和who 都可用。

如:Last night I saw a film in the Youth Palace.强调主语:It was I that (or: who) saw a film in the Youth Palace last night.强调宾语:It was a film that I saw in the Youth Palace last night.强调地点状语:It was in the Youth Palace that I saw a film last night.强调时间状语:It was last night that I saw a film in the Youth Palace.另外,还要注意下面几点:1)在强调主语时,that 后的谓语动词要与被强调者保持人称和数的一致。

如:It is I who am a teacher.2)即使被强调的主语是复数,主句中的谓语动词也用单数。

如:It is they who often help me with my lessons.3)在强调时间、地点、原因或方式状语时,不能用when,where,why或 how ,而要用that 。

如:It was because her mother was ill that she didn't go with us.It was only when I reread his poems recently that I began to appreciate their beauty.It was the house that the murder happened.4)在强调not … until 结构中由 until 短语(或从句)表示的时间状语时,要用固定的强调句型:It is(was) not until ...that... 注意此时原句的not…until要变成not until ,that 从句中的谓语动词要用肯定式。

暴风苏公式化语法:第六章:It’s…thatwho强调句及it的其他用法

暴风苏公式化语法:第六章:It’s…thatwho强调句及it的其他用法

第六章:It’s…that/who强调句及it的其他用法强调句的形式比较简单,无非就是将要强调的部分用It’s…that/who 夹起来,但是如果和其他的句式想结合就不那么简单了。

这也是高考青睐强调句的原因所在。

第一节:基本结构It’s …that/who 是英语中用语法手段对句中除谓语以外的某一成分进行强调的一种方法。

它的形式比较简单,只要把要强调的部分夹在It’s…that/who中间,其他部分照抄跟在后面。

1.强调主语。

I met Li Ming at the railway station yesterday.It was I that (who) met Li Ming at the railway station yesterday.2.强调宾语。

I met Li Ming at the railway station yesterday.It was Li Ming that I met at the railway station yesterday.3.强调地点状语。

I met Li Ming at the railway station yesterday.It was at the railway station that I met Li Ming yesterday.4. 强调时间状语。

I met Li Ming at the railway station yesterday.It was yesterday that I met Li Ming at the railway station.5.强调各种从句。

He went to the factory at once because he had a lot of work to do.It was because he had a lot of work to do that he went to the factory at one.(原因状语)6.强调不定式。

初中英语语法——动词不定式重点考点中考实题详解

初中英语语法——动词不定式重点考点中考实题详解

初中英语语法——动词不定式重点考点中考实题详解动词不定式是动词的一种非谓语形式,没有人称和数的变化,不能单独作句子的谓语。

其构成形式为"to+动词原形",to为动词不定式的符号,本身无意义。

动词不定式具有两大特点:1.具有动词的特点,因此,后面可以跟表语、宾语或状语,构成动词不定式短语。

2.具有名词、形容词或副词的特点,可以在句子中用作主语、宾语、宾语补足语、状语、定语、表语及同位语等。

中考英语试题为例,对不定式的难点以及它在中考英语中的考查点,作一简要的总结和分析。

No.1动词不定式作主语1.It's our duty _________ the room every day.A.to cleanB.cleanedC.cleanD.cleans(甘肃省)2.It's hard for us _________ English well.A.learnB.learnsC.to learnD.learning(江西省)3.建造这座立交桥将花费工人们一年多的时间。

It will _________ the workers over a year _________ _________ the flyover.(北京市海淀区)4.It's very nice _________ you to get me two tickets _________ the World Cup.(安徽省)A.for,ofB.of,forC.to,forD.of,toKeys:1.A 2.C 3.take,to,build 4.B【解析】动词不定式作主语时,可以直接放在谓语动词前面的主语位置,也可以用先行词it作形式主语,而将真正的主语(不定式)置于后面。

常见的句式有:(1)It is +形容词(of sb)to do sth.(2)It is +名词(for sb)to do sth.(3)It takes sb some time to do sth.(4)It is +形容词(for sb)to do sth.句式(1)中常用nice,kind,clever,good,right,wrong,foolish,careless等形容词,与介词of搭配,这些形容词常表述不定式逻辑主语的属性或性质;句式(4)中常用hard,difficult,easy,important等形容词,与介词for搭配,表示不定式表示的动作、行为的性质。

初中英语语法:it作形式宾语的四个特殊句式

初中英语语法:it作形式宾语的四个特殊句式

初中英语语法:it作形式宾语的四个特殊句式it作形式宾语的四个特殊句式当不定式、动名词、从句等复杂成分用作宾语且其后跟有宾语补足语时,通常会在宾语补足语前使用形式宾语it,而将真正的宾语移至句末,其基本结构为“动词+it+宾语补足语+不定式(动名词或从句)”。

如:I find it difficult to do the job well. 我发现做好这件事不容易。

I think it best that you should stay here. 我认为你住这儿。

We think it no use complaining. 我们认为抱怨是没有用的。

但是,以下几种形式宾语比较特殊,同学们需引起注意(同时它们也是高考的常考考点):1. 动词+ it + that-从句。

如:I like it that you came. 你来了,我很高兴。

I take it (that) he will come on time. 我认为他会准时来的。

You can put it that it was arranged before. 你能够说这是以前安排的。

Rumor has it that the defence minister will soon resign.据传闻,国防部长不久就要辞职。

说明:能用于此结构的动词不多,常见的有 have, take, put,like 等。

2. 动词 + it + when (if)-从句。

如:I dislike it when you whistle. 我不爱听你吹口哨。

We really appreciate it when she offered to help. 她来帮忙了,我们十分感激。

I’d prefer it if I didn’t have to do so much work. 要是我不必做那么多工作,好就太好了。

说明:能用于此结构的动词不多,常见的有 enjoy, hate, love, like, dislike, appreciate, prefer 等。

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中考英语语法:it的9种主要句式
it句型是初中英语中使用频率较多的重点句型之一,为了便于同学们搞好中考复习,现将常见有关it的主要句式归纳如下:
1.“Itistimefor……”表示“是……时候了”。

句中介词for后接名词或代词作宾语。

如:It’stimeforschool.是上学的时候了。

2.“It’stimetodosth.”表示“是做某事的时候了”。

此句常与上句替换使用。

如:Itistimeforustohavelunch.=Itistimeforourlunch.是我们吃午饭的时候了。

3.在“Itseems……”句中,seem是不及物动词,常作系动词用,有“好像、似乎”的意思,后面可跟动词不定式、形容词作表语,也可跟从句。

如:Itseemedthatnobodyknewanythingaboutthematter.看来没有人知道这件事。

4.“It’sone’sturntodosth.”表示“轮到某人做某事了”。

如:It’syourturntoplayping-pong.该轮到你打乒乓球了。

5.“Itis+形容词+todosth.”表示“做某事怎么样”。

其中it作形式主语,代替后面的不定式todosth.(真正主语)。

如:ItiseasytospeakEnglish.说英语很容易。

6.“Itis+形容词+forsb.+todosth.”意为“对某人来说做某事怎么样”。

这种结构中的形容词常常是easy,difficult,hard,important,necessary,quick等,这些形容词常与事物的特征有关。

如:Itisquitedifficultforustofindoutwhobrokethewindows.对我们来说,查明是谁打破了窗户是相当难的。

7.“Itis+形容词+ofsb.+todosth.”表示“某人做某事怎样”。

这种结构中的形容词常常是:good,kind,nice,wrong,clever等,这些形容词常与人的性格特点有关。

如:Itisveryniceofyoutohelpmefindmybike.你帮我找到了自行车真是太好了。

8.“Ittakessb.sometimetodosth.”表示“某人花费多少时间做某事”。

其中it是形式主语,真正主语是后面的todosth.。

如:Ittakesmeabouthalfanhourtowalktoschooleveryday.我每天花费大约半小时步行去上学。

9.“sb.thinksit+形容词(forsb.)+todosth.”中的it是形式宾语,后面的动词不定式是真正宾语,形容词在句中充当宾语(it)的补足语,运用于这种句式的谓语动词有:think,find,believe,feel等。

如:HefounditveryimportantforthestudentstolearnEnglishwell.他发现对于学生来说学好英语很重要。

(完)。

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