高中英语it的用法3PPT课件
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高中英语 语法代词 it的用法课件(共32张ppt)
2) It was not until __C__ that ____ to prepare his lessons. A. did his father come in, the boy began B. did his father come in, did the boy begin C. his father came in, did the boy begin D. his father came in, the boy began
3) I hope that it will be fine Weather tomorrow.
4) It’s spring now.
Season
5) It’s quiet here. Circumstance
2. 用作人称代词, 代表前面提到的人 或事。
1) Who’s it? _It_’_s me. 2) Look at the picture. _I_t is a picture
Exercises
1) It was not _C__ she took off her dark
glasses ___ I realized she was a
famous film star.
A. when, that B. until, when
C. until, that
D. when, then
3. I don’t think __D_ possible to master a foreign language without much memo ry work. A. this B. that C. its D. it
4. Was it during the Second World War _A__ he died? A. that B. while C. in which D. then
高中英语It的用法
9. Meeting my uncle after all these years was an unforgettable moment, _____ I will always B treasure. Ａ．that Ｂ．one Ｃ．it Ｄ．What A 10. I prefer a flat in Inverness to ______in Perth, because I want to live near my Mom’s. A. one B. that C. it D. this 11. Cars do cause us some health problems — in B fact far more serious _______ than mobile phones do. A．one B．ones C．it D．those
Grammar It 的用法
1. it 作形式主语,代替不定式、动名词短语或主 语从句表示的真正主语： It is hard to deal with him. It is impossible for her to come. It is no good/use waiting here. It is evident that he is lying. It is not clear whether he will go or not. 2. it 作形式宾语,代替不定式、动名词短语或宾 语从句表示的真正宾语： I think it easy to repair the radio. I find it hard for her to do the math problems. He felt it no use learning English. I think it necessary that we should take exercise.
高中英语语法it的用法
It was with a strong belief that Martin Luther king led many movements
用于强调结构（ 用于强调结构（emphatic structure ）
It is/was + 被强调部分 + that/who...+其他成分 其他成分 I met Tom in the street yesterday. 强调结构的一般疑问句型： 强调结构的一般疑问句型： Is/was + it + 所强调的部分 + that / who…? Was it you that met Tom in the stress yesterday? 强调结构的特殊疑问句型： 强调结构的特殊疑问句型： 疑问词 + is/was + it + that/who…? Who was it that you met in the street yesterday? Where was it that you met Tom yesterday?
It’s 10:08 It weighs only 3 kilos
It’s lovely It’s a large sum of money
I.人称代词 人称代词 a.用作人称代词，代替前文提到过的事物，以避免重 用作人称代词， 用作人称代词 代替前文提到过的事物， the house that the Parkers bought 复: B b.也可以指动物或婴儿 未知性别的婴儿或孩子 也可以指动物或婴儿(未知性别的婴儿或孩子 也可以指动物或婴儿 未知性别的婴儿或孩子): The Parkers bought a new house but ___ will need a lot of work before they can move in. 2.非人称代词 B. it 非人称代词 A. they C. one D. which 有时并不指具体的东西，可指weather 、time 、 有时并不指具体的东西，可指 distance、environment 等 2. We’ve、 been looking at houses but haven’t found A ___ we like yet.in the café. It was very quiet a house ItA. half an hour’sones to the city. D. them is one B. walk C. it 3.指示代词 指示代词 指代this或that 指代 或 This is your pen, isn’t it? What’s that on the desk? I guess it might be a robot.
高中英语语法：it的用法
13.It is not yet known where she has gone.
14.It was unknown whether they would be killed or not. (代名词性从句作形式主语) 15.He felt it his duty to help others.
16.We think it important that college students should master at least one foreign language.
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. It was not until she took off her dark glasses that I realized she was a famous film star. 8.The people in the country are friendly to us.(强调句的特殊
疑问句)
Who is it that are friendly to us? 9.He went to college in 1992. (强调句的特殊疑问句) When was it that he went to college? 10.He did not go to school yesterday because he was ill. (强 调句的特殊疑问句) Why was it that he did not go to school yesterday?
高中英语语法知识之It的用法总结
高考英语语法知识之It 的用法总结1. It is + 被强调部分+ that ...该句型是强调句型。
将被强调的部分放在前面, 其它部分置于that之后。
被强调部分可以是主语, 宾语, 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。
I.wa.the.tha.(who.cleane.th.classroo.yesterday.I.wa.i.th.stree.tha..me.he.father.2. It was 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.no....unti....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...didn’.realiz.sh.wa..famou.fil.sta.unti.sh.too.of.he.dar.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.I.i.importan..necessary.right.strange.natural....tha....由于主句中的形容词不同, tha.后的从句中要用虚拟语气（shoul..动词原形）, shoul.可以省去。
高中英语模块三it的用法 .ppt
形式宾语
Sentence patterns:
… … find possible 1. S+ think + it + necessary +( for sb. ) to do sth. /clause feel important … …
…
a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /clause an honour … 3. S + V + it + no good + doing sth. no use
形式宾语
I think it his duty to clean the blackboard. Sentence patterns: … a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /clause an honour …
3. S + V + it + no good + doing sth. no use
1. I like (enjoy, hate…) it when…. Sentence patterns: 2. I would appreciate it if… 3. …see to (depend on…) it that…
形式主语 高考真题
1. It is necessary to be prepared for a job interview. Having the answers ready will be of great help.
高中英语课件-it作形式主语及形式宾语句型
like/dislike/love/enjoy/hate/appreciate +it when…
I would appreciate +it +if… 注意：表好恶的动词不能直接接宾语从句，
需要在从句前加上形式宾语it。
ห้องสมุดไป่ตู้
it的固定用法
When it comes to.... 当谈到…；
take it for granted that... 认为…理所当然
It is a fact(a pity, a shame, an honour，no wonder) +that从句 注：It is no good (use ) doing sth.(动名词短语做真正主语)
做某事是没益处(没有用的)的
注：区分常见的there be固定句型
There is no doubt that 毫无疑问 There is no need to do 没有必要 There is no point doing sth 做某事无意义
depend on it that...某人相信...
see to it that... 务必，保证
Let it be/go.
顺其自然；
That’s it. Make it. Get it.
对了，正是； 成功了； 懂了
一. it 用作形式主语 (1) It is+ adj. + that从句/to do sth
① It is clear, obvious,true,possible,certain.... that .....
“....是清楚（显然，真的，肯定）的” ② It is necessary, important, strange, natural.... that .....
I would appreciate +it +if… 注意：表好恶的动词不能直接接宾语从句，
需要在从句前加上形式宾语it。
ห้องสมุดไป่ตู้
it的固定用法
When it comes to.... 当谈到…；
take it for granted that... 认为…理所当然
It is a fact(a pity, a shame, an honour，no wonder) +that从句 注：It is no good (use ) doing sth.(动名词短语做真正主语)
做某事是没益处(没有用的)的
注：区分常见的there be固定句型
There is no doubt that 毫无疑问 There is no need to do 没有必要 There is no point doing sth 做某事无意义
depend on it that...某人相信...
see to it that... 务必，保证
Let it be/go.
顺其自然；
That’s it. Make it. Get it.
对了，正是； 成功了； 懂了
一. it 用作形式主语 (1) It is+ adj. + that从句/to do sth
① It is clear, obvious,true,possible,certain.... that .....
“....是清楚（显然，真的，肯定）的” ② It is necessary, important, strange, natural.... that .....
高中英语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。
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Sentence patterns: 1. Sb + think + it + necessary + ( for sb. ) to do
代词：用于指人以外的一切生物，无生命的东西和事情 日期，距离，价值，度量，温度，环境等
➢ it 用作非人称代词，指代日期、时间、季节、天气、温 度、距离、重量、环境、情况等， 常不翻译出来
It’s quite hot here in summer, isn’t it ? (天气)
It’s early midnight now . We’d better go to bed. (时间)
weather,
the
way
—Everything is so nice.
指代性别不详的婴幼儿
他\她是谁？ Who is it?
The baby is crying. It might be hungry.
指代说话者心目中不太清
---Who is knocking
楚的那个人
at the door?
It’s about an hour’s drive from here to Nanchang. (距离)
It was noisy last night. （情况）
— Do you like it here？(2004年高考全国卷
Ⅱ)
—Oh, of life.
ye(环s.境T等h)e
air,
the
a house
3. 2. We’ve been looking at houses but haven’t found
___ we like yet.
4.A A. one B. ones C. it D. them
5. 3. I’m moving to the countryside because the air there
is much fresher than ___ in the city.
6. A. ones B. oneC C. that D. those
the air
Exercises:
1.---would you like to buy a bicycle of this kind? ---Yes, I'd like to have_________.
—“Who is it over there?”---It's may be Tom.
—“It must be headmaster.”
—“No, it can’t be him, for he has gone to
Paris.”
I.人称代词
a.用作人称代词，代替前文提到过的事物，以避免重复:
Throw wasted paper in the dustbin. It's just beside you. b.还可以指代前面整件事情： This spade is made of iron. It is known to all. 2.指示代词(在回答含有指示代词this\that的问句时 常用it指代)---Who is that?-- It is Lucy. What’s that on the right? I guess it might be a watermelon.
A. it B.that √C.one D.this
2.The color of my coat is different from__of yours.
A. it B. one C√. that D. this
3.The machines we use today are much better than _____we use ten years ago.
—“Hello! Who is that (speaking)?”
—“This is john/I (speaking).
此处不能用it代this
注 1: it, one, that 区别
➢ it 指代上文提到的表特指的单数可数名词或不可数名
词，即“同类又同物”;
➢ one表示“同类不同物”, 只能代替可数名词单数，相
当于a/an+可数名词单数；还可以指众多中的一个 （注意它在定语从句中的指代）(复数n用ones指代)
➢ that 表示“同类不同物”，（只在平级结构或比较级
结构或表对比结构中指代前文出现的表特指的可数名 词单数或不可数名词。（复数名词用those指代)
I had a good pen, but I lost it yesterday. I’ll buy one tomorrow.
易误辨析: it / one / that
the house that the Parkers bought
1. The Parkers bought a new house but ___ will need a
lot of work before they can move in.
2. A. theyB B. it C. one D. which
A. the one B. that C√. where D. which
2. Is this factory _______ her mother worked in last
year?
A√ . the one B. that C. where D. which
3. ______clean the blackboard is to be praised.
A. it B.that C.one √D.those
ese shoes are too tight, do you have large___?
A. it B.that √C.ones D.one
定语从句
1. Is this the factory _______ her mother
worked last year?
A√ . Anyone who B. The boy C. The one D. the
ones
形式宾语
The chairman thought ___ necessary to invite Professor Smith to speak at the meeting.(05全国)
A. that BB. it C. this D. him