it做形式宾语的用法
“It”作形式主语和形式宾语的用法详解
新希望英语语法精讲—--—--“It"作形式主语和形式宾语“It"作形式主语和形式宾语的用法详解It作形式主语和形式宾语用法,是英语学习的主要语法项目之一。
无论是单项选择,还是完行填空,it 用法始终是反复考查的重、热点之一.现将it在特殊句型中作形式主语和形式宾语用法,进行如下归纳分析,以供学习参考。
一、It 用作形式主语当不定式(短语)、动名词(短语)或从句在某个句子中作主语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾.此时it只起先行引导作用,本身无词义.e.g. It is wrong to tell a lie。
(说谎是错误的.) 〔It为to tell a lie的形式主语〕It is no use arguing about it. (争吵是没用的。
)〔It为arguing about it的形式主语〕It is uncertain who will come. (谁要来还不确定。
) 〔It为who will come的形式主语〕It 作形式主语的常见句型:①It + be + 形容词+ to do sth. / doing / that ….e。
g. It is very important to learn a foreign language. (学一门外语非常重要.)It is useless crying over the spilt milk。
(覆水难收.)It was really surprising that she married a man like that.(她嫁给那样的男士真让人惊讶。
)②It + be +名词词组+ doing / that ….e。
g。
It is no good telling lies. (撒谎没好处。
)It is a pity that you didn’t go to see the film yesterday. (你昨天没看成那部电影真遗憾。
it作形式宾语时的几种特殊结构
it作形式宾语时的几种特殊结构it作形式宾语时的几种特殊结构it作形式宾语时的几种特殊结构在英语中,当动词不定式、动名词或从句在句中充当宾语且其后又带有宾语补足语时,习惯上要在宾语补足语前使用一个没有具体意义的形式宾语it,而将真正的宾语移到补足语的后面,构成“动词+it+宾语补足语+不定式(动名词或从句)”结构。
如: Shefelt it her duty to take good care of them.她感到好好照顾他们是她的责任。
I think it no good going there now.我认为现在去那里没有好处。
He makes it a rule to work out for an hour in the park after supper every day.他养成了每天晚饭后在公园锻炼一个小时的习惯。
The headmaster has made it clear that the school meeting will not be put off.校长说得很清楚校会不会推迟。
但我们常会碰到it用作形式宾语时之后没有形容词或名词作宾语补足语的情况,这一点在高考试题中涉及,需引起学习者的注意。
I hate_____ when people talk with their mouths full. (NMET 1998)A. itB. thatC. theseD. them (答案为: A)我讨厌人们一边吃饭一边说话。
I like _____ in the autumn when the weather is clear and bright. (全国卷2021)A. thisB. thatC. itD. one (答案为: C) 我喜欢秋天晴朗的天气。
以上这两道高考题中,it用作形式宾语,它的真正的宾语则是由when引导的从句。
“it”的这种特殊用法常出现在以下几种结构中。
高考语法it用法详解
一. it作人称代词在特定的环境中,it可指人,如指婴儿、性别不详或身份不明的人。
e.g.1. The baby stopped crying as soon as it saw the woman.(指婴儿)2. —Who is it?—It’s me.(性别不详或身份不明)二. it作形式主语或形式宾语it可以作形式主语或形式宾语而把真正的主语或宾语后置。
1. 用it作形式主语的情况:(1) It+系动词+形容词+that从句It is necessary/important/surprising/strange+that从句,从句中谓语动词常用“should+动词原形”形式,且should可省略。
(2) It+系动词+名词+that从句It is a pity/a shame/good news/a fact/an honour/a wonder/no wonder/our duty+that从句。
e.g. It’s no wonder that you’ve achieved so much success.难怪你取得了如此大的成功。
(3) It+不及物动词+that从句It seems/happened/turned out /occurs/appears+that从句。
e.g. It happened that he was out when I called on him.当我去拜访他的时候,碰巧他出去了。
(4) It+系动词+过去分词+that从句It is said /reported/ announced/ believed/ thought/ well known/ hoped/ pointed out/ found out/ suggested/ ordered/ advised/ requested/ insisted/ required/ demanded+that从句。
“It”作形式主语和形式宾语的用法详解
it作形式主语和形式宾语it既可作人称代词,用来表示动物或无生命的物体等,也可以作无人称代词,在句中作主语,表示“时间”、“距离”、“天气”等。
它还可以引导强调句,使语气得以加强。
此外,it在句中能作引导词,充当句子中的形式上的成分,如形式主语、形式宾语等。
㈠it作形式主语:it作形式主语时没有具体的意义,而只是帮助把真正的主语移到句子后部去,使句子显得平稳一些。
it作形式主语时,可以代替三种形式:不定式、动名词和主语从句。
1. it代替不定式短语常用于下列句型中:It + be +形容词+ (for/of sb.) to do sth.It + be + 名词+ to do sth.It takes sb. some time to do sth. 干…花了某人…时间It’s up to sb. to do sth. 干…是某人的职责或义务如:①It is everyone’s duty to obey the law.遵守法律是每个人的义务。
(it作形式主语, 代替不定式短语to obey the law)②It is difficult for a foreigner to learn Chinese.对于一个外国人来说,学习汉语是困难的。
(it作形式主语, 代替不定式短语to learn Chinese)③It is not right to use these places as rubbish dumps.把这些地方用来倒垃圾是不对的。
(it作形式主语, 代替不定式短语to use these places as rubbish dumps)④It took them a year to build the bridge.建这座桥花了他们一年的时间。
(it作形式主语, 代替不定式短语to build the bridge)⑤It is bad manners to stare at people.瞪着眼睛看人是不礼貌的。
(完整word版)It作形式宾语用法总结.doc
"It" 做形式宾语用法总结当不定式(短)、名(短)或从句在某个句子中作,保持句子构平衡,避免句式构的混乱,常用it 作形式,而将真正的放在句尾,构成“ +it+足+不定式(名或从句)” 构,也可称作“6123 构”。
此 it 仍只起先行引作用,本身无。
它可以代替三种形式:不定式、名和从句。
it 作形式,需具两个条件:① 真正的是不定式、名或从句; ②有足,具了两个条件,形式it 一定要用。
+ 不定式⒈ it 代替不定式短think/ find/ feel/ consider/ make/ regard形⋯容+ it +/名短如:①I find it pleasant to work with him.(it 作形式,代替不定式短to work with him)②T hey felt it difficult to finish the work in such a short time.(it 作形式,代替不定式短to finish the work in such a short time )③S he thinks it her duty to help us.( it 作形式,代替不定式短to help us)④I think it my honor to be invited to speak here.( it 作形式,代替不定式短to be invited to speak here )⑤Tom didn’t find it difficult to write letters i n Chinese.( it 作形式,代替不定式短to write letters in Chinese )⑥A ll these noises made it impossible for me to go on with the work.( it 作形式,代替不定式短to go on with the work )⒉ it 代替名短( 只限于少数句型,在多数情况下用不定式更多一些)如:①T he professor considers it no good reading without understanding.②Do you consider it any good trying again?③He found it useless( no use) arguing with him.④He thought it absolutely senseless attempting the impossible.⑤I don ’t think it worthwhile going to such a place.⒊ it 代替从句:如:①We all thought it a pity that the conference should have been cancelled.②I took it for granted that they were not coming.③I ’ll see to it that everything is ready in time.“ it的”特殊用法常出在以下几种构中。
it做形式宾语的五种形式
it做形式宾语的五种形式
it做形式宾语的五种形式如下:
1、主语+think+形式宾语it+形容词/名词+to do sth.
2、主语+believe+形式宾语it+形容词/名词+to do sth.
3、主语+make+形式宾语it+形容词/名词+to do sth.
4、主语+find+形式宾语it+形容词/名词+to do sth.
5、主语+consider+形式宾语it+形容词/名词+to do sth.
形式宾语介绍:
当不定式(短语)、动名词(短语)或从句在某个句子中作宾语时,为保持句子结构平衡,避免句式结构的混乱,常用it作形式宾语,而将真正的宾语放在句尾。
此时it仍只起先行引导作用,本身无词义。
特殊形式宾语:
通常意义的形式宾语主要见于真正宾语为不定式、动名词、从句等且其后跟有宾语补足语时的情形,即用于“动词+it+宾语补足语+真正的宾语”这样的结构,但以下几类形式宾语却比较特殊,其后没有宾语补足语。
宾语介绍:
宾语,也称受词,是指一个动作(动词)的接受者。
宾语分为直接宾语和间接宾语两大类,其中直接宾语指动作的直接对象,间接宾语说明动作的非直接,但受动作影响的对象。
一般而言,及物动词后面最少要有一个宾语,而该宾语通常为直接宾语,有些及物动词要求两个宾语,则这两个宾语通常一个为直接宾语,另一个为间接宾语。
在英语中,有些动词接了一个宾语后句子意思仍不完整,还需要再加上一个词或短语放在宾语之后来补充说明其身份、特征、状态或所做的动作,这种“宾语+宾语补足语”结构称为复合宾语。
it作形式主语和宾语的几种结构
“It”作形式主语和宾语It作形式主语和形式宾语用法,是中学阶段英语学习的主要语法项目之一。
纵观历届高考题,无论是单项选择,还是完形填空,it用法始终是反复考查的重、热点之一。
现将it在特殊句型中作形式主语和形式宾语用法,进行如下归纳分析。
一、It 用作形式主语当不定式(短语)、动名词(短语)或从句在某个句子中作主语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾。
此时it只起先行引导作用,本身无词义。
e.g. It is wrong to tell a lie.(说谎是错误的。
) 〔It为to tell a lie的形式主语〕It is no use arguing about it.(争吵是没用的。
) 〔It为arguing about it的形式主语〕It is uncertain who will come.(谁要来还不确定。
) 〔It为who will come的形式主语〕It 作形式主语的常见句型:① It + be + 形容词+ to do sth. / doing / that ….e.g. It is very important to learn a foreign language.(学一门外语非常重要。
)It is useless crying over the spilt milk.(覆水难收。
)It was really surprising that she married a man like that.(她嫁给那样的男士真让人惊讶。
)② It + be +名词词组+ doing / that ….e.g. It is no good telling lies.(撒谎没好处。
)It is a pity that you didn’t go to see the film yesterday.(你昨天没看成那部电影真遗憾。
It 的用法
It 的用法1:it 做形式主语,不定式to do 或that 引导的句子做真正的主语例句: It is important for us to protect environment. 保护环境对我们来说是很重要的。
(it 做形式主语,真正的主语是to protect environment)即to protect environment is important for us 是本句,但这样显得头重脚轻,所以用it 做形式主语.例句: It is common knowledge that science and technology is the first productive force.( it 做形式主语,that 引导的句子做真正的主语2:it 做形式宾语,不定式to do 或that 做真正的宾语例句:He thinks it very hard to master a foreign language.他认为掌握一门外语是很难的。
(he 做主语,thinks 做谓语,it 做形式宾语,very hard 做宾补,to master a foreign language 做真正的宾语,即He thinks to master a foreign language very hard.例句:He thinks it very essential that he should have a decent job.他认为他应该有一份体面的工作是很必要的即He thinks that he should have a decent job very essential.3: it 用于强调句,其结构是it is \was+强调部分+that例句:It was his carelessness that caused his fatal failure.正是他的粗心导致了他的致命失败。
(强调his carelessness,做caused的主语,即强调主语)例句:It was in the cinema that I came across my former English teacher.在电影院我巧遇我的前任英语老师。
It作形式主语和形式宾语的用法详解
新希望英语语法精讲------"It〞作形式主语和形式宾语"It〞作形式主语和形式宾语的用法详解It作形式主语和形式宾语用法,是英语学习的主要语法工程之一。
无论是单项选择,还是完行填空,it 用法始终是反复考察的重、热点之一。
现将it在特殊句型中作形式主语和形式宾语用法,进展如下归纳分析,以供学习参考。
一、 It 用作形式主语当不定式〔短语〕、动名词〔短语〕或从句在*个句子中作主语时,为保持句子构造前后平衡,防止头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾。
此时it只起先行引导作用,本身无词义。
e.g. It is wrong to tell a lie. (说谎是错误的。
) 〔It为to tell a lie的形式主语〕It is no use arguing about it. (争吵是没用的。
) 〔It为arguing about it的形式主语〕It is uncertain who will e. (谁要来还不确定。
) 〔It为who will e的形式主语〕It 作形式主语的常见句型:① It + be + 形容词 + to do sth. / doing / that ….e.g. It is very important to learn a foreign language. (学一门外语非常重要。
)It is useless crying over the spilt milk. (覆水难收。
)It was really surprising that she married a man like that.(她嫁给那样的男士真让人惊讶。
)② It + be +名词词组 + doing / that….e.g. It is no good telling lies. (撒谎没好处。
)It is a pity that you didn’t go to see the film yesterday. (你昨天没看成那部电影真遗憾。
“It”作形式主语和形式宾语的用法详解
新希望英语语法精讲-————-“It”作形式主语和形式宾语“It”作形式主语和形式宾语的用法详解It作形式主语和形式宾语用法,是英语学习的主要语法项目之一.无论是单项选择,还是完行填空,it用法始终是反复考查的重、热点之一.现将it在特殊句型中作形式主语和形式宾语用法,进行如下归纳分析,以供学习参考.一、It 用作形式主语当不定式(短语)、动名词(短语)或从句在某个句子中作主语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾。
此时it只起先行引导作用,本身无词义.e。
g。
It is wrong to tell a lie。
(说谎是错误的。
)〔It为to tell a lie的形式主语〕It is no use arguing about it. (争吵是没用的。
)〔It为arguing about it的形式主语〕It is uncertain who will come. (谁要来还不确定.)〔It为who will come的形式主语〕It 作形式主语的常见句型:①It + be + 形容词+ to do sth。
/ doing / that ….e。
g. It is very important to learn a foreign language。
(学一门外语非常重要.)It is useless crying over the spilt milk. (覆水难收.)It was really surprising that she married a man like that.(她嫁给那样的男士真让人惊讶。
)②It + be +名词词组+ doing / that ….e.g. It is no good telling lies. (撒谎没好处。
)It is a pity that you didn’t go to see the film yesterday。
“It”用法及其句型和固定搭配讲解
“It”用法及其句型和固定搭配讲解“It”用法及其句型和固定搭配,是高中英语语法的重点、难点,又是近几年高考的热点,因此应给予充分的重视,现将it用法归纳如下:一、It用作实词表达以下概念:指代前文提到的事物,前文中的this,that;替代前文中的内容;指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代时间、天气、气候、距离等自然现象……二、It用作形式主语替代作主语的从句、动词不定式、动名词,而把真正作主语的从句、动词不定式、动名词置于句尾.It 作形式主语的常见句型:1。
代作主语的动词不定式,其句型为(1)It be adj。
(for sb.)to do sth.此处adj。
通常为描述事件的形容词:easy,difficult,hard,necessary,unnecessary,possible,impossible,likely,unlikely,right,wrong,important,unimportant,legal,illegal,well—mannered,ill-mannered,polite,impolite,clear,obvious,certain,suitable,proper,fit,useful,useless,dangerous…例It is illegal(for a teenager)to drive a car without a license.(2)It be adj. of sb。
to do sth.此处adj. 通常为描述人的形容词:kind,unkind,nice,rude,cruel,considerate,thoughtful,thoughtless,careful,careless,silly,foolish,stupid,clever,wise,crazy。
例It’s kind of you to help me with the problem.(3)It替代作主语的动名词的常见句型It’s no good/use doing…It's(well)worth doing…It's(well)worth one’s while doing/to do…It’s(well)worth while doing/ to do例It's no use crying over spilt milk.2。
it作形式主语和宾语的几种结构
B. 动词+ it + that从句。常见于like, take, have, put等少数动词之后(it相当于that从句的同位语)。
I take it that they will succeed sooner or later.
我认为他们迟早会成功的。
The newspapers have it that some Japanese firms have gone bankrupt.
(他们发现与我们中国人一起工作很愉快。)
I don’t feel it difficult to understand the Special English.
(我觉得理解英语特别节目并不难。)
He makes it a rule never to borrow money.
(他立志决不向别人借钱。)
(我花了一些时间才读完那段阅读材料。)
It took him fourteen hours to go to New Zealand from Shanghai by plane.
(从上海乘飞机去新西兰花了他14小时。)
How long does it take you to go to Beijing from Qingdao by train?
(据说他们发明了一种新型电脑。)
It is believed that China will become one of the strongest countries in the world.
(大家都相信中国将会步入世界强国之列。)
It was reported that more than 170 thousand people died in the 2004 tsunami.
it做形式宾语的用法
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(2) We ____t_h_in_k_i_t _o_u_r_d_u_ty_(认为……是我们的 职责) to clean our classroom every day.
(3) It is important _f_o_r_h_e_r_(对她来说) to come to the party.
作形式宾语( Preparatory Subject )
S + v + it+
(for sb) to do sth.. adj.
+ 从句 n
doing sth
形式宾语
Sentence patterns:
…
…
find
possible
1. S+ think + it + necessary +( for sb. ) to do sth./that-clause
I think it best that you should do more exercise.
She thought it no good worrying about him.
1.It 用作形式宾语
当不定式(短语)、动名词(短语)或从句在句子中作宾语时,为 保持平衡,避免句式结构的混乱,常用it作形式宾语,而将真正的宾 语放在句尾。此时it只起引导作用,无意义。
专题五:It作形式主语和形式宾语的用法
专题五:It作形式主语和形式宾语的用法一、It用作形式主语当从句、不定式、动名词等用作主语时,为避免头重脚轻,通常在句首使用形式主语it,而把真正的主语放在句子末尾。
1. 指代主语从句。
It is possible that he has stolen the car. 很可能他偷了小车。
It is strange that he should not have passed the test. 他测试没有通过真奇怪。
It is uncertain whether/if he will leave for Beijing tomorrow. 明天他是否去北京还不敢肯定。
2. 指代不定式(短语)作主语。
It is a pity to refuse. 拒绝是令人遗憾的。
It was his duty to attend to the matter. 处理这件事是他的责任。
It is impossible to finish the work on time. 准时完成工作是不可能的。
3. 指代动名词。
It is no good staying up too late. 熬夜是没有好处的。
It is no use saying anything more about it. 再说这件事没用。
It is useless crying over the spilt milk. 覆水难收。
It is a waste of time arguing with him. 与他争论简直是浪费时间。
It is a pleasure talking with you. 与你交谈真是件快乐的事情。
4. It用作形式主语的常用句型。
①It+is/was+形容词+to do sth./that…常见的形容词有known, clear, necessary, likely, unlikely, right, wrong, important, certain, obvious, strange, natural, kind, nice等。
(完整版)It作形式宾语用法总结
"It" 做形式宾语用法总结当不定式(短语)、动名词(短语)或从句在某个句子中作宾语时,为保持句子构造均衡,防止句式构造的杂乱,常用it 作形式宾语,而将真实的宾语放在句尾,组成“动词+it+宾语补足语+不定式(动名词或从句)”构造,也可称作“6123 构造”。
此时 it 仍只起初行引导作用,自己无词义。
它能够取代三种形式:不定式、动名词和宾语从句。
it 作形式宾语时,需具备两个条件:① 真实的宾语是不定式、动名词或从句; ②有宾语补足语,具备了这两个条件,形式宾语it 必定要用。
⒈ it 取代不定式短语think/ find/ feel/ consider/ make/ regard形容+词it +/名+ 不定式词短语如:①I find it pleasant to work with him.(it 作形式宾语,取代不定式短语to work with him)②T hey felt it difficult to finish the work in such a short time.(it 作形式宾语,取代不定式短语to finish the work in such a short time )③S he thinks it her duty to help us.( it 作形式宾语,取代不定式短语to help us)④I think it my honor to be invited to speak here.( it 作形式宾语,取代不定式短语to be invited to speak here )⑤T om didn’t find it difficult to write letters i n Chinese.( it 作形式宾语,取代不定式短语to write letters in Chinese )⑥A ll these noises made it impossible for me to go on with the work.( it 作形式宾语,取代不定式短语to go on with the work ))⒉ it 取代动名词短语( 这只限于少量句型,在多半状况下用不定式时更多一些如:①T he professor considers it no good reading without understanding.②Do you consider it any good trying again?③He found it useless( no use) arguing with him.④He thought it absolutely senseless attempting the impossible.⑤I don ’t think it worthwhile going to such a place.⒊ it 取代宾语从句:如:①We all thought it a pity that the conference should have been cancelled.②I took it for granted that they were not coming.③I ’ll see to it that everything is ready in time.“ it的”特别用法常出此刻以下几种构造中。
it作形式主语和形式宾语的用法
it作形式主语和形式宾语的用法it作形式主语和形式宾语的用法It除了用作代词表示指代意义以外,还可以用作形式主语和形式宾语。
这种用法是中学阶段英语学习的主要语法项目之一。
纵观历届中考题,无论是单项选择、完型填空,还是句型转换或翻译,it用法始终是反复考查的重、热点之一。
现将it在特殊句型中作形式主语和形式宾语用法,进行如下归纳分析,以供读者学习和参考。
一、It 用作形式主语1.当不定式(短语)、动名词(短语)或从句在某个句子中作主语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾。
此时it 只起先行引导作用,本身无词义。
例如:It is wrong to tell a lie. 说谎是错误的。
It is no use arguing about it. 争吵是没用的。
It is uncertain who will come. 谁要来还不确定。
2.It 作形式主语的常见句型① It + be + 形容词+ to do sth. / doing / that ….。
例如:It is very important to learn a foreign language. 学一门外语非常重要。
It is useless crying over the spilt milk. 覆水难收。
It was really surprising that she married a man like that.她嫁给那样的男士真让人惊讶。
② It + be +名词词组+ doing / that ….,例如:It is no good telling lies. 撒谎没好处。
It is a pity that you didn’t go to see the film yesterday. 你昨天没看成那部电影真遗憾。
It is a truth that there would be no new China without the Communist Party.没有共产党就没有新中国,这是毋庸质疑的。
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作形式宾语( Preparatory Subject )
为了记忆方便我们把该句型总结为"6123结构"。 6指主句中常用的动词:think,believe,make,find, consider,feel; 1指的是形式宾语it; 2指的是宾补的两种形式:形容词或名词; 3指的是真正宾语的三种形式:不定式短语,动名词短语 或从句。
1.The fact that she was foreign made ____difficult for her to get a job in that country . A. So B. much C. that D. it
2. The doctor thought ____would be good for me to have a holiday . A. this B .that C . one D . It 3. I don’t think _______ possible to master a foreign language without much memory work. A. this B. that C. its D. it
She thought it no good worrying about him.
1.It 用作形式宾语
当不定式(短语)、动名词(短语)或从句在句子中作宾语时,为 保持平衡,避免句式结构的混乱,常用it作形式宾语,而将真正的宾 语放在句尾。此时it只起引导作用,无意义。
S + v + it+
adj.
We think it our duty to clean our classroom every day. He felt it important learning English well. They found it difficult that they would finish their work in two days.
I'll see to it that everything is ready in time. 我将负责按时做好一切准备。
You may depend on it that Tom will help you with your English. 你放心,汤姆会帮助你学英语的。
I’m counting on it that you will come. 我指望着你会来。
1.I like _______ in the autumn when the weather is clear and bright. 2.A. this B. that C. it D. one 2. I hate __when people talk with their mouths full. A. it B. that C. these D. them
I'd prefer it if I didn't have to finish the work. 要是我不必完成那项工作,那就太好了。
2>.某些含有介词的动词短语如see to, depend on, answer for, rely on, insist on, look to, stick to 等结构中往往不能直 接接宾语从句;必须先由it担任形式宾语,再 接从句.
The use of “it” as a form of an object
It作形式宾语
代替不定式短语,从句或动词-ing。
He found it difficult to stop smoking.
I think it best that you should do more exercise.
think it our duty (认为……是我们的 (2) We ________________ 职责) to clean our classroom every day. for her (对她来说) to (3) It is important ty.
(for sb) to do sth.. +
n
从句
doing sth
形式宾语
Sentence patterns:
… … find possible 1. S+ think + it + necessary +( for sb. ) to do sth./that-clause feel important … …
…
a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /that-clause an honour … 3. S + V + it + no good + doing sth. no use
完成句子
found it difficult (1) They ________________(发觉…… 难) to finish their work in two days.
4.It 作形式宾语的特殊用法
1>. 某些表示“喜、怒、哀、乐”的动词, 如like, enjoy, love, hate, dislike, appreciate等 后往往不能直接接宾语从句; 必须先由it担任形式宾语,再接从句.
We would much appreciate it if you could do us that favour. 要是你们能帮我们这个忙,我们将非常感激。