雅思考试it作形式主语的用法

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it做形式主语用法大全

It作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：1. It + be + 形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not。

2。

It + be + 名词词组+ 主语从句，这类名词有：a fact，a pity，a shame，an honour，a question等，如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3。

It + be + 过去分词+ 主语从句，这类过去分词有:announced, believed，expected，hoped，decided, reported, said, shown等，如:It is reported that 16 people were killed in the earthquake。

It is not decided who will give the operation to the patient。

4。

It + 不及物动词（seem, appear, happen等) + 主语从句，这类不及物动词有:appear，happen，seem等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called。

5。

It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult，hard, important，possible，wise等作表语,有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language。

雅思考试it作形式主语的用法

雅思考试it作形式主语的用法雅思考试中，it这个词的用法还是很变化多端的。

考虑到它在雅思考试中的高出现率，今天天道雅思论坛小编就来为同学们做一个雅思辅导，说一说it的用法。

以下是今天的精彩讲解。

雅思考试，先来了解一下it作形式主语的用法：(一)什么是形式主语作为形式主语的it并无实际语义，是为满足语法上的需要，避免句子头重脚轻，它代替的是句子的逻辑主语。

(二)形式主语it所在的句型类别1、作不定式的形式主语(1)句型It;is;+;a;pity/a;pleasure;+;to;do;sth.It;is;+;wrong/right/wise/cruel/naughty/selfish;+;of;sb.;+;to;do;sth.It;is;+;necessary/hard/important/difficult/possible/common;+;for;sb.;+;to;do;sth.(2)雅思范文写作实例A.;Beyond;this,;it;is;also;of;paramount;importance;to;use;theaters;and;museums;as;the;“social;classroom”;of;culture;and;history;education.B.;I;think;it;is;by;no;means;pointless,;in;any;way,;to;try;to;keep;traditions;alive;wit h;technology.;(Cambridge;3,;P162,;Task;2)C.;It;is;difficult;to;say;who;has;the;right;to;judge;whether;children;working;is;“wron g”;or;“valuable”.;(Cambridge;3,;P164,;Task;2)D.;…,;it;is;important;to;remember;that;children;need;to;d evelop;skills;other;than;inte llectual;ones,;and;…(Cambridge;3,;P168,;Task;2)E.;Finally,;I;think;that;it;is;also;important;to;remember;that;children;need;to;relax;a s;well;as;work,;…(Cambridge;3,;P168,;Task;2)F.;Because;people;interpret;happiness;for;themselves;in;so;many;different;ways,;it;is;d ifficult;to;give;ang;definition;that;is;true;for;everyone.;(Cambridge;4,;P165,;Task;2)G.;It;is;quite;common;these;days;for;young;people;in;many;countries;to;have;a;break;for ;studying;after;graduation;from;high;school.;(Cambridge;5,;P165,;Task;2)H.;They;may;think;that;it;is;better;to;continue;in;a;particular;job,;or;to;do;sth;compl etely;different;from;from;a;university;course.;(Cambridge;5,;P165,;Task;2)据本人统计，剑桥官方的雅思真题(剑3—剑8)几乎每一篇Task2考官范文中，都有所使用，甚至在有的文章中出现三次之多。

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一、it作形式主语1.不定式作真正主语常用句式归纳：It is no use/good/need/help doing…做……没用处/没好处/没必要/没帮助； It is great fun doing做……非常有趣；It is a waste of time/money doing 做……简直是浪费时间/金钱的2.that从句作真正主语常用句式归纳：1）it+be+过去分词+that…It is argued that…大家争论……；It is assumed that…假定……；It is believed that…大家相信……；It is agreed that…大家同意……；It is hoped that…大家希望……；It is (well) known that…家喻户晓……；It is reported that…据报道……；It is recommended that…据推荐……；It is rumored that…谣传……；It is said that…据说……；It is suggested that…有人建议……；It is supposed that…大家推测……；It is thought that…大家认为……；It is taken for granted that………被视为当然It must be remembered that…务必记住……；It has been decided that…大家决定……。

2)it+be+形容词+that…It is clear/obvious that……很明显；It is important that…重要的是……；It is surprising that…令人惊讶的是…；It is necessary that……有必要；It is strange that………很奇怪；It is likely/possible that……很可能。

it作形式主、宾语的用法解析

it作形式主、宾语的用法解析it作形式主、宾语的用法解析IT这个词中英语中最渐渐不过了，当it作为形式主语和形式宾语出现时，你会用法吗?以下是店铺整理的it作形式主语和形式宾语的用法解析，希望对你有所帮助。

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 ...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”作为形式主语的十大考点

“it”作为形式主语的十大考点1、It’s +形容词/名词+（for sb. / sth）+to do sth可以用于这类句型的形容词和名词以及例句如下：点击添加图片描述（最多60个字）2、It’s +形容词+of sb. +to do sth这个句型是同学们最容易丢分的，大家需要知道在这个句型中，形容词是描述人的品德、特征。

同学们看一下能用于这个句型的形容词和例句：点击添加图片描述（最多60个字）3、It’s +形容词/名词+doing sth在这个句型中，常见的形容词和名词有：no /little use, no /much good, useless等。

例如：It is no use crying over spilt milk.It is no good talking about other’s faults.4、It’s +形容词+that…能用于这个句型的形容词有：possible, important, impossible, necessary, strange, natural, surprising, obvious, true, likely, unusual等。

除了true, likely,obvious这三个词外，其他的词后面that从句一般要用虚拟语气，（should+动词原形）should可以省略。

大家看下面例句：点击添加图片描述（最多60个字）5、It’s +名词+that…在这个句型中，常用的名词有：fact, honor, belief, good thing / news, （no）wonder, no doubt, pity, shame等。

如例句1。

需要注意的是，在使用pity和shame的时候，从句一般用虚拟语气（should+动词原形），should可以省略。

意思是表示出乎意料“竟然”，如果没有这种意义的时候，就可以不用虚拟语气。

如例句2和3。

点击添加图片描述（最多60个字）6、It’s +及物动词的过去分词+that…这个句型中常见的及物动词的过去分词和例句如下：点击添加图片描述（最多60个字）7、It+不及物动词+that…能用于这个句型中的不及物动词常见的有：seem, happen, appear, matter等，例如：点击添加图片描述（最多60个字）8、It+及物动词+宾语+主语从句用于这类句型的动词有：affect, disappoint, impress, interest, worry等，例如：点击添加图片描述（最多60个字）9、It takes sb. + sometime to do sth.这个句型的意思是“花费某人多长时间做某事”例如：It took us half an hour to ride to the town by bike.10、It’s time (about time, high time ) +that…这个句型中that后面的从句要用虚拟语气，需要注意的是：常常用过去时态表示虚拟，有的时候也用should+动词原形，should不能省略。

IT做形式主语

用法一：it作逻辑主语综述形式主语it 作为形式主语的it并无实际语义，只是为满足语法上的需要，避免句子头重脚轻，它代替的是句子的逻辑主语，概括起来会有如下情况：不定式作逻辑主语如：It is very kind of you to give me a hand in time.It is my pleasure to address the meeting.It was pretty hard for him to bring up the child on his own.从句作逻辑主语如：It so happened that the tickets were sold out.It is extremely obvious that she has been lying about her identity.It suddenly occurred to me that the message must have been hidden between the layers of the briefcase.动名词短语作逻辑主语这类句子远不如前面两种出现率高，主要在（no, good, waste, useless, no use, dangerous）等词语的后面用如：It is no use reasoning with him.It is no good reading in dim light.作形式主语的代词只能用it ，不能用that，this等词。

例如: 1）It is easier to lose friends than to make friends.交朋友难而失去朋友比较容易。

2）It is important for modern young people to master at least two foreign languages.掌握至少两门外语对于当代年轻人来说是很重要的。

雅思写作3structure

第六季
插入语 Smoking, in my opinion, should not sacrifice others’ interests. (from my perspective, I think..) They, however, stick to this practice. (indeed, nevertheless..)
Reasonable complex sentence:
合理的学术复杂句
从句 If human beings continue to pollute the environment, more natural disasters are sure to take place. Parents and teachers shouldn’t often criticize those kids who have been overburdened with study. Many developed countries do great harm to environment, which has aroused anger around the world.
第五季
倒装，强调 Seldom do parents care children’s children’ psychological development. (hardly, rarely, scarcely, in no way, by no means, under no circumstances) Only with the help of developed countries can environmental protection be guaranteed.
（It is estimated/expected/said/reported/th ought/believed that….） that… It is expected that too much criticism will stifle students’ creative power. students’

形式主语的四种句型

形式主语的四种句型作为英语语法中重要的概念之一，形式主语在句子中所起的作用不可小觑。

它通常指代作为主语的一些短语，以便避免出现复杂的结构和重复过多的词语。

在句子中，形式主语的位置一般放在句首，可以是it，there，what以及whether。

接下来，我们将详细介绍四种典型的形式主语句型，并举例说明它们在日常交际中的应用。

一、以it为形式主语的句型1. It + be + 形容词 + (for someone) + to do something这种句型用于表达特定行为或事物对某人来说是容易或困难的，常用形容词有easy/hard, important/unimportant, convenient/inconvenient等。

例如：It is important for us to learn English well.(It 对应的是后面的不定式短语“to learn English well”)It is inconvenient for him to come here by bus.2. It + be + 名词 + to do something这种句型强调所作的行为或事情的性质和特点，常用名词有fact, truth,pity, shame, joy等。

例如：It is a fact that smoking is harmful to health.It is a shame to refuse help from a friend in need.3. It + be + 形容词 + that从句这种句型用于表达一种事实或假设情况的存在，以及所涉及的具体内容或状态，常用形容词有clear, evident, strange等。

例如：It is strange that he doesn't like chocolate.It is clear that the Internet has greatly changed our life.二、以there为形式主语的句型1. There + be + 名词 + (地点状语)这种句型常用于描述物品、人员、场所等存在的情况，常用名词有book, pen, people, hospital, school等。

It做形式主语讲解

④It + be +-ed（过去分词）+ that-从句
It is said that…
It is reported that… It is supposed that… It is hoped that…
据说…
据报道… 据推测… 希望…
It is well known that… 众所周知… It is generally considered that…普遍认为 …
It’s necessary for us to master a foreign language.
• ②It +be+ adj.+ of sb. to do sth
•
此处adj. 通常为描述人的形容词：kind，nice，rude， cruel，careless，foolish，stupid，wise，crazy…某人做某事，某人是… It’s very kind of you to help me with my English.
It is suggested that… 有人建议…
练习：把下列格局转换为it做形式主语的句子
1.He was rude to say so.
It was rude of him to say so.
2.Trying again is of use. It is of use trying again. 3.When and where to hold the party hasn’t been decided. It hasn’t been decided when and where to hold the party.
• eg. It’s foolish of you to drive a car after drinking. •

雅思阅读语法1__it句型

答案C. 强调句的结构是： It +be +强调部分 + that （who））+ 主谓句。强调句的连词只有两个，that和who。当强调的部分是人，且为句子的主语时，才用 "who"，其余用that。
2019/12/3
• 2）It is ten years ___ Miss Green returned to Canada. • A. that B. when C. since D. as • 答案C. 考点是连词用法。本题易误选为A. that. 其实本句不是强调句。若
2019/12/3
It 作形式主语
代替不定式、动词-ing短语、或从句。
It is amazing that at my age I am still fit . It is easy to become addicted to smoking . it is no good crying over spilt milk. (覆水难收)
3. It + be + 过去分词 + 主语从句，这类过去分词有： announced, believed, expected, hoped, decided, reported, said, shown等，如：
• It is reported that 16 people were killed in the earthquake. • It is not decided who will give the operation to the patient.
• It’s very kind of you to help me with the work. =You are kind to help me.

it做形式主语的19个句型

1.It is/was + 被强调部分+ that/who ...该句型是强调句型。

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 可以由who 换用。

如果把这种句型结构划掉后，应该是一个完整无缺的句子。

这也是判断强调句型与其它从句的方法。

2. It is not until + 被强调部分+ that ...该句型也是强调句型。

主要用于强凋时间状语，译成汉语“直到……才……”，可以说是not ... until ... 的强调形式。

It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn't realize she was a famous film star until she took off her dark glasses.3. It is clear /obvious/true/possible/certain… that …该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“清楚（显然，真的，肯定……）”是主语从句最常见的一种结构。

It is very clear that he's round and tall like a tree.= That he's round and tall like a tree is very clear.4. It is important /necessary/ right/strange/natural... that ...+(should) do 该句型和上一个同属一个句型。

“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一、it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。

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：如：It is everyone’s duty to obey the law.遵守法律是每个人的义务。

It 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 took them a year to build the bridge.建这座桥花了他们一年的时间。

It is bad manners to stare at people.瞪着眼睛看人是不礼貌的。

It is up to us to help those in need.帮助那些有困难的人是我们的责任。

eg. It’s important for us to learn English well.学好英语对我们来说是重要的。

It’s kind of you to help me.感谢你对我的帮助。

⒉ it代替动名词短语：It’s no good/use/useless/a waste of time doing sth.做某事没有用/浪费时间①It is no good/ use having a car if you can’t drive.如果你不会开车，有车也没用。

②It is a waste of time watching TV.看电视是浪费时间。

（it作形式主语,代替动名词短语watching TV）⒊ it代替主语从句：这个主语从句可以用连词that引导，也可以用连接代词或连接副词引导。

如：①It was clear that they had no desire for peace.很清楚他们没有和平的诚意。

专四应试技巧（语法词汇篇8：It的使用）1

it⽤来充当形式主语或形式宾语，后⾯的真正主语或真正宾语通常是不定式结构、动名词或名词性分句。

It的这种⽤法叫作先⾏it。

eg.
It is quite important for us to form a good studying habit.
I think it important to finish the task in time.
it⽤来充当形式主语，后置的真正主语往往可以取代先⾏it的位置，出现在句⾸。

Eg. To form a good studying habit is quite important for us
并⾮所有先⾏it结构都可转化，下边句⼦只能作如下转化。

eg.
It seems that John is not coming after all.
John doesn’t seem to be coming after all.
Cleft it :
Task
1. 句⼦的基本结构
2 .分裂句的本质
3 . 分裂句的结构
4 .假拟分裂句
句⼦结构
主语+谓语
已知信息
新信息
末端中⼼
末端重⼼
Eg. I told him the news yesterday.。

it作形主语的五种

it作形主语的五种IT 作为形式主语的五种情况如下：1. 结构：It + be/have/do + 名词/代词+ 形容词/副词/动词-ing/动词过去分词等形式。

例子：-It is said that he is going to join our team.（据说他将要加入我们的团队。

）-It has been raining since morning.（自从早上就一直下雨。

）2. 结构：It + 动词过去分词+ 名词/代词+ 形容词/副词等形式。

例子：-It seemed like a good idea at the time.（当时看来这是一个好主意。

）-It occurred to me that we had met before.（我想起来我们之前见过面。

）3. 结构：It + 动词-ing + 名词/代词+ 介词+ 宾语等形式。

例子：-It's interesting to learn about different cultures.（了解不同的文化很有趣。

）-It's important to keep the environment clean.（保持环境整洁很重要。

）4. 结构：It + 动词-ing/动词过去分词+ 副词等形式。

例子：-It's been a long time since we last met.（自从我们上次见面已经过去很长时间了。

）-It doesn't matter if he doesn't know.（他不了解没关系。

）5. 结构：It + 动词-ing/动词过去分词+ 宾语等形式。

例子：-It happened that I knew the person involved.（碰巧我知道涉及的那个人。

）-It occurred to me that I hadleft my wallet at home.（我想起来我把钱包忘在家里了。

it作形式主语和形式宾语

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，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，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，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 every one '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。

先行词it作形式主语宾语的用法

先行词it作形式主语宾语的用法先行词it作形式主语宾语的用法先行词it在主语或宾语的位置，真正的主语或宾语是后面的不定式、动名词或名词性从句。

一、作形式主语主要用于It is+ adj. /n. + doing/to do/从句…句型。

Is it necessary for me to do so? 我有必要这样做吗？It is silly of him to do so. 他这样做真是可笑。

It’s no good waiting here. 在这里等没有用。

Is it certain that they will win? 他们一定会赢吗?It’s my duty to help you improve English. 帮助你们提高英语水平是我的职责。

注意：与it作形式主语的句型易混的句型。

It is known to all that the earth goes around the earth. 众所周知，地球围绕太阳旋转。

As is known to all, the earth goes around the earth.It is difficult to persuade him to stay. 劝服他留下来很难。

What is difficult is to persuade him to stay. 困难的是要劝服他留下来。

二、作形式宾语1. vt. (find, think, make, etc. ) + it +adj. /n. +doing/ to do/that…He made it a rule never to eat between meals. 他不吃零食已成了习惯。

I think it impossible for us finish our work on time. 我认为我们不可能准时完在这项工作。

We found it no good arguing with him. 同他争论是没用的。

it作形式主语的用法

it作形式主语的用法It is a good idea to be prepared with knowledge of some common types of humor.________________________________________________________________ __________解析：1)此句中it作形式主语，真正的主语是后面的不定式短语。

①It is great to see the sun rise slowly in the east.__________________________________________________。

2)it作形式主语的常见句型：(1)It＋be＋n.＋to do/that -clause常用的名词有a pity, an honor, a shame, one's duty, a wonder 等。

应用：②______ ______ ______ ______that you can't stay with us.真遗憾你不能和我们待在一起。

(2)It＋be＋adj.＋to do/that- clause常用的形容词有possible, necessary, important, dear, strange, natural等。

应用：③______ ______ ______ ______we can finish the project on time.有可能我们能按时完成那项工程。

(3)It＋be＋adj.(n.)＋doing [来源:学科网]常用于此句型的名词和形容词有no good, no use, useless等。

④It's a waste of time doing such useless things. ___________________________________________。

it做形式主语或宾语的用法

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.
(for sb) to do sth.. +
n
从句
doing sth
形式宾语
Sentence patterns:
1. I like _______ in the autumn when the weather is clear and bright. (MET2004) A. this B. that C. it D. one 2. I hate __when people talk with their mouths full. (MET98) A. it B. that C. these D. them
It is not decided who will give the operation to the patient.
It is said that he has come to Beijing.
注意：如果主句中的过去分词是表示请求，建议，命令
等词如：suggested/ ordered / demanded /insisted / commanded... 等时 that 后的从句要用虚拟语
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。