高考英语 回顾 代词it的用法课件
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高考英语复习 It的用法讲解
It 的用法一链接高考二主要内容1. 作人称代词或非人称代词2. 指无生命的东西或不详的性别3. 作形式主语4. 作形式宾语5. 用于强调句型中6. 用于几种特殊句式中三练一练一链接高考●主要形式：语法填空、写作等●考点：1. 作人称代词或非人称代词2. 指无生命的东西或不详的性别3. 作形式主语4. 作形式宾语5. 用于强调句型中（时态问题）6. 用于几种特殊句式中（特殊句式用于写作的积累）二·主要内容“It”的用法极其广泛,既可以作人称代词,也可以作非人称代词,表示时间、距离、气候等；既可以充当形式主语和形式宾语,也可以用于强调句结构中;它还常常用在某些动词或特殊词类之后,构成习惯用语。
下面就其使用的重点及难点,分门别类地加以总结。
1. 作人称代词,可以用来代替人、物或事；亦作非人称代词，表示时间、天气、季节、距离等。
It i s r aining c ats a nd d ogs. 雨下得很大。
It is a long way to the college. 大学距这儿很远。
It is eight o’clock sharp now. 现在是8点整。
2. 指无生命的东西，性别不详或性别无关紧要时，可用“It”来指动物，幼童等。
The baby cried because it was hungry。
小宝贝因为饿而哭了。
3. 作形式主语英语中不定式、动名词、主语从句在作主语时，主语往往显得很长，使整个句子看上去有点头重脚轻，这时就需要借助“It”作形式上的主语，而把整个句子的主语移到句子后边去，使句子看上去平稳一些。
It is difficult to study and work at the same time.一边工作一边学习很难。
It is very clear that the elephant's l eg is round a nd tall like a tree.大象的腿跟树干一样圆而高，这点显而易见。
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.
it、one、that的用法与区别ppt课件
The weather of this week is worse than that of last week. (that代替不可数名词
weather) The quality of iron produced in your factory is better than that in their
• Cook was a strict but good captain, one who took good care of his sailors.
• The water in the well is cleaner than that in the river.
.
• VI. it可以替代句中的不定式或从句等, 充当形式主语或形 式宾语。one与that均无此用法。
• The umbrella you bought is cheaper than that I bought. （替代词that在该句中特指“the umbrella I bought”, 以区别“the umbrella you bought”）
.
• II. one与that虽可用来指代同名异物, 但 one为泛指, 相当于a／an＋名词; that为特 指, 相当于the ＋名词。所以one所指代的 名词的修饰语一般为 a／an ／some ／any; that所指代的名词的修饰语往往是the ／ this ／that。
.
区别
• I. it／one ／that三者均可用作代词, 指代前面提 到的名词。一般说来, it指代同名同物; one与that 则指代同名异物。
• I have lost my umbrella; I'm looking for it. （该句中it就是指前面的my umbrella）
weather) The quality of iron produced in your factory is better than that in their
• Cook was a strict but good captain, one who took good care of his sailors.
• The water in the well is cleaner than that in the river.
.
• VI. it可以替代句中的不定式或从句等, 充当形式主语或形 式宾语。one与that均无此用法。
• The umbrella you bought is cheaper than that I bought. （替代词that在该句中特指“the umbrella I bought”, 以区别“the umbrella you bought”）
.
• II. one与that虽可用来指代同名异物, 但 one为泛指, 相当于a／an＋名词; that为特 指, 相当于the ＋名词。所以one所指代的 名词的修饰语一般为 a／an ／some ／any; that所指代的名词的修饰语往往是the ／ this ／that。
.
区别
• I. it／one ／that三者均可用作代词, 指代前面提 到的名词。一般说来, it指代同名同物; one与that 则指代同名异物。
• I have lost my umbrella; I'm looking for it. （该句中it就是指前面的my umbrella）
高考英语二轮复习：it的用法课件(共40张PPT)
① It is difficult for a foreigner to learn Chinese. ② It is everyone’s duty to obey the law. ③ It took them a year to build the bridge. ④ It is up to us to help those in need.
二、it 作形式主语
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。
①It 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 t真正的主语移到句子 后部去，使句子显得平衡，避免“头重脚轻”。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。
二、it 作形式主语
1. it代替不定式短语，常用于下列句型中： It + be +adj + (for/of sb.) to do sth. It + be + n + to do sth. It takes sb. some time to do sth. It’s up to sb. to do sth.
二、it 作形式主语
b) It doesn’t matter（It’s no wonder；It doesn’t make too much difference等）＋连接代词或连接副词引导的从句。 ➢ It doesn’t matter whether we go together or separately. ➢ It is no wonder why he came here too late.
二、it 作形式主语
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。
①It 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 t真正的主语移到句子 后部去，使句子显得平衡，避免“头重脚轻”。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。
二、it 作形式主语
1. it代替不定式短语，常用于下列句型中： It + be +adj + (for/of sb.) to do sth. It + be + n + to do sth. It takes sb. some time to do sth. It’s up to sb. to do sth.
二、it 作形式主语
b) It doesn’t matter（It’s no wonder；It doesn’t make too much difference等）＋连接代词或连接副词引导的从句。 ➢ It doesn’t matter whether we go together or separately. ➢ It is no wonder why he came here too late.
it用法总结ppt课件
3). It be ... before ... 该句型主句中的 it 指时间， 主句中的时态常是一般将来时或过去 时两种时态．主句中的表语多是long， not long ， 3 days ， 2 weeks 等表示时间段的词或短语，常译为“．．．之后．．．”。
It was 3 days before he went to Beijing. It will be not long before he finishes his job.
8
2）.It is +v-ed +that 从句 ① It is said (reported， learned....) that ...
据说（据报道，据悉．．．）“。 It is said that he has come to Beijing.
②. It is suggested ( ordered /demanded/insisted/commanded... ) that ...
②. It is important ( necessary， right， strange， natural...) that ... that 后的从句中要用虚拟语气（should + 动词原形）， should 可以省去，建议记住该句型中的形容词。 It is important that we (should) learn English well.
It is time that children went to bed.
② It is the first ( second ... ) time that ... “是第一（二）．．．次．．．”。
It is the first time I have been here. = This is the first time I have been here.
It was 3 days before he went to Beijing. It will be not long before he finishes his job.
8
2）.It is +v-ed +that 从句 ① It is said (reported， learned....) that ...
据说（据报道，据悉．．．）“。 It is said that he has come to Beijing.
②. It is suggested ( ordered /demanded/insisted/commanded... ) that ...
②. It is important ( necessary， right， strange， natural...) that ... that 后的从句中要用虚拟语气（should + 动词原形）， should 可以省去，建议记住该句型中的形容词。 It is important that we (should) learn English well.
It is time that children went to bed.
② It is the first ( second ... ) time that ... “是第一（二）．．．次．．．”。
It is the first time I have been here. = This is the first time I have been here.
高考英语考点 15 It的用法
考点十五It的用法it作为代词用法非常灵活，可用于代替上文中提到的事物，代替上文中说到的一件事，代替不知情的人（尤其是不知身份、性别和姓名的人）。
也可用于表示时间、天气、距离、计算结果等。
还可用来代替不定式、动名词、从句等，充当形式主语或形式宾语。
一、用于指人以外的一切生物、无生命的东西和事情一般指说话者心目中已经了解或所指的生物、无生命的东西或事情，没有性别的区分；可以是可数名词，也可以是不可数名词，在句子中既可以作主语，也可以作宾语。
1. 指动物和植物。
☞ Look at that bird. It always comes to my window. 看看那只鸟。
它总是飞到我的窗前来。
2. 指代无生命的东西。
☞This is my watch. It’s made in Switzerland. 这是我的手表。
它是瑞士产的。
3. 代替上文提到过的整个事情。
☞Well, you mustn’t play on the road. It’s dangerous! 哦，你不能在马路上玩。
这是危险的！二、用于指代人1. 指代说话者心目中不太清楚的那个人，常在打电话或敲门时用。
☞—Who is knocking at the door? ——谁在敲门？—It’s me. ——是我。
2. 指说话者心目中的那个人。
☞—Look, someone is coming. Who can it be? ——看，有人过来了。
他可能是谁呢？—It may be the headmaster. ——可能是校长。
3. 在回答用指示代词表示人的特殊问句时，常用it指人。
☞—Who’s that? ——那人是谁？—Is it Helen? ——是海伦吗？—Yes, I think you’re right. It’s Helen. ——是的，我想你说对了，是海伦。
三、用于指时间、距离和自然现象等1. 表示时间。
☞—What’s the date? ——今天是几月几日？—It’s the third of March. ——今天是3月3日。
【全国百强校】内蒙古包头市第九中学人教版高中英语复习课件：代词it、one与that用法区别(共22张PPT)
I can’t find my hat. I don’t know where I put it.
it
We had a picnic last term and it was a lot of fun. 2.it可以替名词性从句、动名词和不定式 短语，作形式主语或形式宾语而one和that 无此用法. • If you take a bus at the airport, it will take you half an hour to get there. • I found it harhe cost of renting a house in central A in any other Xi’an is higher than ____ area of the city. • A. that B. this C. it D. one 9.—There is still a copy of the book in A the library. Wall you go and bottow___? • —No, I’d rather buy ___in the bookstore. • A.it;one B.one;one C.one;it D.it;it
3.The population of Henan C Province is larger than ____of any province in China. A.one B.it C.that D.the one
1.it可用来指代前文提到的那个事物，指是 同名同物 The weather here is too windy. I don’t like it.
4.The two girls are so alike that A strangers find_____ difficult to tell one from the other. A. it B. them C. her D. that D is our belief that improvements 5.___ in health care will lead to a stronger, more prosperous economy. A. As B. That C. This D. It
it
We had a picnic last term and it was a lot of fun. 2.it可以替名词性从句、动名词和不定式 短语，作形式主语或形式宾语而one和that 无此用法. • If you take a bus at the airport, it will take you half an hour to get there. • I found it harhe cost of renting a house in central A in any other Xi’an is higher than ____ area of the city. • A. that B. this C. it D. one 9.—There is still a copy of the book in A the library. Wall you go and bottow___? • —No, I’d rather buy ___in the bookstore. • A.it;one B.one;one C.one;it D.it;it
3.The population of Henan C Province is larger than ____of any province in China. A.one B.it C.that D.the one
1.it可用来指代前文提到的那个事物，指是 同名同物 The weather here is too windy. I don’t like it.
4.The two girls are so alike that A strangers find_____ difficult to tell one from the other. A. it B. them C. her D. that D is our belief that improvements 5.___ in health care will lead to a stronger, more prosperous economy. A. As B. That C. This D. It
高考英语复习之it的用法及改错十大典型 PPT课件 图文
Someone is ringing the doorbell. Go and see who it is. It’s John on the phone.
2. 用作非人称代词，指时间、天气、距离或自 然现象等。如：
It is only half an hour’s walk to the hospital. It’s about two kilometers from here to the station. It is raining heavily outside.
4. As a matter of fact, __i_t __ (that, it) is not failure itself, but what we think of failure and what we do afterwards that counts.
5. —Do you still drive your Ford car? —No, I sold __it__ (it, that) two years ago.
2）动词+介词+ it + that从句 能用于此句型的主要有：depend on, answer for, see to。 如：
You may depend on it that he will turn up in time. I can’t answer for it that the boy is honest. I’ll see to it that all these letters will be sent to the post before twelve.
surprising等。如： It is impossible that it should be a mere coincidence. It’s strange that she should have been arrested for stealing. It was surprising that he should have finished writing a novel in only twenty days.
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4) It happened that I took no money with me.
5) It matters very much whether to go or not.
6) It surprised me that he failed to pass the exam.
7) It was not long before he returned to Beijing.
4. Was it during the Second World War ___ he died? A. that B. while C. in which D. then
5. It was not until 1920 ___ regular radio broadcasts began. A. while B. which C. that D. since
2. They are all classmates. ___ is no wonder ___ they should help each oth er with their studies． A. This；whether B. It; if C. That；that D. It；that
3. I don’t think ___ possible to master a foreign language without much memo ry work. A. this B. that C. its D. it
B. Which
C. Its
D. There
13. ____ is a pity that he should be absent from the meeting today. A. There B. That C. It D. He
14. ---____is weeks since he was drunk. He hasn’t been drunk so much like this. A. He B. It C. That D. There
15. --- My mother loves music, but she
can’t sing.
--- So_____ me.
A. is it
B. it is
C. it is with D. it is so with
16. ____ no use arguing about such a
matter with him.
11. Is ___ necessary to complete the
design before National Day?
A. this B. that C. it D. he
12. I’m quite able to afford the suit.
_____ is too cheap.
A. It
8) It will be long before he comes back.
9) It is five years since he joined the Party.
10）It was Octorber when we met in Shanghai
Practice
1. Does_____ matter if he can’t finish the job on time. A. this B. that C. he D it
Language study
Grammar Review the use of “It”
1. 用作人称代词, 代表前面提到的人 或事。 1) Who’s it? _I_t’_s me. 2) Look at the picture. _I_t is a picture of our school.
6. It was about 600 years ago ___ the first o’clock with a face and an ho ur hand was made. A. that B. until C. before D. when
7. It was only when I reread this poems
D. that yourself
9. It was five o’clock in the afternoon __ they climbed up to the top of the moun tain. A. since B. when C. that D. until
10. It was at five o‘clock in the afternoon ___ they climbed up to the top of the mountain． A. since B. when C. that D. until
4) It’s spring now. Season 5) It’s quiet here. Circumstance 4. 作引导词,在句中作形式主语或形式 宾语,代替后面的短语或从句。 1) Instead of “to do”
It is important for us to learn English
Notice
1) It is reported that China has launched another man-made satellite.
2) It is ordered that the soldiers should cross the river at once.
3) It seems that he has learnt the news.
A. There
B. It is
C. That is D. This is
recently ____ I began to appreciate
their beauty.
A. until B. that C. then D. so
8. Was ____ that I saw last night at the
concert?
A. it you
B. not you
C. you
2. 用于代替指示代词this和that。
---Is this jacket yours?
---Yes, _i_t is.
பைடு நூலகம்
3. 用以表示时间、距离、天气、气候、 季节、环境等。 1) It is half past eight now. Time 2) It’s only half an hour’s walk from here to our school. Distance 3) I hope that it will be fine tomorrow. Weather
well.
I found it necessary to tell him about the matter. 2) Instead of “doing” It is no use quarrelling with him about it. I think it no good talking to her.
3) It was in the park that I met Tom yesterday. 4) It was yesterday that I met Tom in the park.
She didn’t go to bed until her father came back. 1) Not until her father came back did she go to bed. 2) It was not until her father came back that she went to bed.
3) Instead of “clause” It doesn’t matter whether he will come or not. I think it necessary that we will attend the meeting.
5. 用于强调句型中 It + be+被强调部分+that/who (a person)从句 e.g. I met Tom in the park yesterday. 1) It was I who met Tom in the park yesterday. 2) It was Tom who I met in the park yesterday.