高中英语it的用法PPT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.
高中英语课件-代词it用法zxx
_距__离__, __地__点___等 two miles away. It lies
in the south of the
SheeB: It is an eagle.
Summary 3
'it' 可用作指示代词, 代替_t_h_i_s_ 或_t_h_a_t_.
by bike every day.
7.It’s not easy ___fo_r____ us to learn a foreign language.
8. It’s very kind __o_f you to help me..
9.Children find_i_t_ interesting to play
7)It(the advice) might help you to stop and strengthen your resolve. (Line 29) 人称代词(指代前面提到的advice)
8)It is not easy to stop smoking. (Line 1,Page 19) 形式主语
Ⅱ. 形式主语
Sentence pattern one 句型一:
It + _b_e_ + a_d__j.\_n_._\_p__.p_ + _t_o_d_o__s_th_._ _d_o_i_n_g_s_t_h_.
真主
_t_h_a_t _从__句__
It is clear /obvious/true/possible/certain…that It is said (reported, learned,believed…) that It is a pity ( a shame ... ) that .. It seems, looks, appears that... It occurs to/strikes sb that某人突然想到 It looks ( seems ) as if .. It doesn't matter whether ( if ) ... It is no good (use ) doing sth It takes sb. … to do sth. It is time for sb to do…
高中英语 语法 it的用法
it was+ 时间段 + before + 主语 + did it will be + 时间段 + before + 主语 + do/ does It has been three years since his father died. it has been/is + 时间状语 + since + 从句
判断下列句子是否是强调句。
1. It’s in that very seat that the teacher sat down.
2. It is clear that not all boys like football.
3. It was because he was ill that he didn’t go to school.
I wonder_w_h_e_r_e _i_t _ w__as_ th_a_t_you met your old friend.
1) He didn’t go to bed until ten o’clock.
It was not until ten o’clock that he went to bed. 直到十点他才上床睡觉。
强调词it和形式主语it的判别： 可用恢复原句的方式来判别，即把it is/ was… that…取消后，如果剩下的词仍能组成一个完 整的句子，那么就是强调句型，否则就不是。
易混淆题：
It was at the street corner that I met Lucy yesterday. It was the street cornerwhere I met Lucy yesterday.
Grammar
判断下列句子是否是强调句。
1. It’s in that very seat that the teacher sat down.
2. It is clear that not all boys like football.
3. It was because he was ill that he didn’t go to school.
I wonder_w_h_e_r_e _i_t _ w__as_ th_a_t_you met your old friend.
1) He didn’t go to bed until ten o’clock.
It was not until ten o’clock that he went to bed. 直到十点他才上床睡觉。
强调词it和形式主语it的判别： 可用恢复原句的方式来判别，即把it is/ was… that…取消后，如果剩下的词仍能组成一个完 整的句子，那么就是强调句型，否则就不是。
易混淆题：
It was at the street corner that I met Lucy yesterday. It was the street cornerwhere I met Lucy yesterday.
Grammar
高中英语it的用法课件-(详细有高考题-精品)
动词 +it + that + clause
enjoy, like, / love, dislike, appreciate hate, don't mind, be fond of, feel like, see to / depend on / insist on
例 : I hate it you can dance so well but I can't.
2.非人称代词it
it有时并不指具体的东西，而泛指天气、时间、环境等， 称为非人称的it： ⑴.指天气：
It is a lovely day, isn’t it? It is a bit windy.
⑵.指时间:
It was nearly midnight when she came back.
⑶.指环境:
no good 3. S + V + it +
no use
+ doing sth.
形式宾语归纳
该句型中的it 作形式宾语，记忆方便---“6123结构”。
6 主句中常用的动词： think,believe,make,find,consider,feel； 1 形式宾语it； 2 宾补的两种形式：形容词或名词； 3 真正宾语的三种形式：
an honour
…
… said It is / was p.p. known + that-clause believed
…
1. 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。
高中英语UNIT4GLOBALWARMINGSECTIONⅢGRAMMARIT的用法(2)课件新人教
2．特殊疑问句：特殊疑问词＋is/was＋it＋that＋其他成分？ Where was it that you met Tom yesterday? 昨天你是在哪儿遇见汤姆的？ Who was it that came up with the bright idea? 究竟是谁提出了这个好主意？ [点津] 强调句型也可用于宾语从句中，但注意语序要用陈述 句语序：动词＋特殊疑问词＋it is/was＋that＋其他。 I wonder why it was that he gave up his well-paid job. 我不知道他为什么放弃他的高薪工作。
[点津](1)强调句可以强调主语、宾语和状语，但不能强调 谓语，强调谓语动词要用“do/does/did＋动词原形”。
Do be careful when you cross the street. 过马路时，务必要小心啊！ (2)当被强调部分是人时，可用 that/who，其他情况都用 that。 (3)强调时间、地点、原因时不能用 when, where, why， 只能用 that。
→ He did finish his homework yesterday.
二、强调句型的疑问形式 1．一般疑问句：Is/Was＋it＋被强调部分＋that/who＋其他成分？
Was it Li Ping that/who he met yesterday? 他昨天遇到的人是李平吗？ Was it last year that you got the degree? 你是在去年获得学位的吗？
即时演练 4 选词填空 (when, before, since, that)
①It was 20 years ago that the two friends met in Vietnam. ②It will be 20 years before they meet in Vietnam. ③It is 20 years since he came to live here. ④It was 20 years that he spent in writing this novel. ⑤It was midnight when he came back home. ⑥It was in 1949 when our country was founded that he left his
高中英语it作主语的用法专题辅导
号顿市安谧阳光实验学校高中英语it作主语的用法一、具有具体指代作用的作主语的it1. it作主语，可指代上下文提到过的事物或情况，代替前面出现过的单数名词。
如：—Where is my book?—It’s on your desk.2. it作主语，可替代前面出现过的this或that。
如：—What’s that over there?—It’s a temple.3. it作主语，可指代人，常用于说话者揣测心目中不清楚，或未看清楚，或不知其性别的人，尤其是婴儿。
如：—Look. There is a person coming toward us in the distance.—Who is it?(it代替person，不知性别)The baby is crying now. It may be hungry. (it代替baby)—Who is singing outside?—It’s Wang Hua. (it指推测的人)4. it作主语，可表示天气、时间、距离、度量衡以及环境等。
如：It is fine today.What time is it? It’s eight o’clock.It’s a half hour’s ride to our school.It is ten kilometers from the city to our hometown.It was very quiet at that moment.二、具有形式主语作用的it由于主语是由较长的主语从句、不定式短语、动词-ing短语等充当，为了使句子平衡，习惯上把它们放在句末，然后把it放在主语位置上作形式主语。
常见句型有：1. “it+be+形容词+that从句”。
这样的形容词有certain，difficult，easy，funny, important，likely，natural，necessary, obvious，possible，probable，strange，wonderful等。
高中英语语法it的用法
to do doing clause
形式主语
运动
是很
重要
It’s important for us to do s的ports
It is obvious that going for sports will do a lot of good to your health.
知道自己的缺点是很重要的。 It is important to know your shortcomings.
It happens (seems， looks， appears ) that... It is no good (use ) doing sth…
It doesn’t matter( no wonder…)+wh-/how-clause It takes sb. ... to do sth…
It looks ( seems ) as if ...
他居然还活着, 真是个奇迹。
It is a wonder that he is still alive.
It’s a pity that the Chinese team didn’t attend
手 It it边shea有Wg个ooor小dldi笔dCe记aupt本o. 是hoan个ve…e’s好ad主luittty意le。notebook handy.
…
大学生有必要p至o少ssi掌ble握一门外语。 It is / I(wsthaisosun+ledcaemsdsaja.srteyni…rmte)hcpaaeotstrslaetaaarcnsyottl+lae(gfoeforsertiugsbdn/.elcn)alttnaoguudsaoegset.h.
IAt _w_a_s wveerlyikqeuyieett.in the caafhé.ouse
形式主语
运动
是很
重要
It’s important for us to do s的ports
It is obvious that going for sports will do a lot of good to your health.
知道自己的缺点是很重要的。 It is important to know your shortcomings.
It happens (seems， looks， appears ) that... It is no good (use ) doing sth…
It doesn’t matter( no wonder…)+wh-/how-clause It takes sb. ... to do sth…
It looks ( seems ) as if ...
他居然还活着, 真是个奇迹。
It is a wonder that he is still alive.
It’s a pity that the Chinese team didn’t attend
手 It it边shea有Wg个ooor小dldi笔dCe记aupt本o. 是hoan个ve…e’s好ad主luittty意le。notebook handy.
…
大学生有必要p至o少ssi掌ble握一门外语。 It is / I(wsthaisosun+ledcaemsdsaja.srteyni…rmte)hcpaaeotstrslaetaaarcnsyottl+lae(gfoeforsertiugsbdn/.elcn)alttnaoguudsaoegset.h.
IAt _w_a_s wveerlyikqeuyieett.in the caafhé.ouse
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在句3与句4中，it的作用是_形__式__主__语__, 真正主语 是_动__名__词__短__语___.
__i_t __用来指代前面提到的可数名词，所指的是事物本身； __o_n_e__则用来替代前面出现过的可数名词，泛指，指一类
事物中的一个 .
_th__a_t__用来代替不可数名词或单数可数名词，特指。
9
一.It 作为形式主语
ห้องสมุดไป่ตู้
二.
当不定式、动名词、从句等用作句
子主语时，为保持句子平衡，通常把真正的
某人做某事某人是…….
2 It’s foolish of you to quit your job now.
2020/9/17
12
3.It is no good crying over spilt milk. 4.It is no use casting pearls before swine .
十年树木，百年树人。
3
Grammar: Use of “It”
4
课文原句再现
1.It’s a beautiful day here and I am sitting under the big tree at the end of the garden.
2.Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up.
④ It never rains but it pours(泼水).
不鸣则已, 一鸣惊人。
2
⑤ It is easy to open a shop but hard to keep it always open.
创业容易守业难。
⑥ It takes three generations (代,辈) to make a gentleman.
• It is about 8:30 now. time
distance
• It is about 25km from Longxian to Bazi.
• It lies in the south of Shaoguan city. place
• It is 40°C ! You got a high feveTre! mperature
3.Believe me, I know how easy it is to begin smoking and how tough it is to stop.
2020/9/17
5
The use of “it” 1.用作人称代词，代表前面提到的人或事物。 1) Who’s it? ___I_t’_s____me. 2) Look at the picture. __It___is a picture of our
A. That, It B. It, He C. He, It D. Who, He
一般说来，在指代身份或性别明确的人时，通 常要根据情况用代词he／she；若是指代身份 或性别不明的人，则用代词it
Ba8ck
1. I can’t find my pen. I’m going to buy _o_n__e_. 2. Life today is better than __th_a_t__ in the old days. 3. I can’t find my pen. I must have lost __i_t __.
主语放在句末，而在句首使用形式主语it.
10
eg: 1. It is illegal（for a teenager）to drive a car without a license.
2. It is necessary for you to give him a letter.
3. Conclusion：
dangerous…
2020/9/17
11
（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， careless，foolish，stupid，wise，crazy. eg: 1. It‘s kind of you to help me with the problem.
Good morning, everyone!
1
Proverbs(谚语) with “It”
① It is never too old to learn.
活到老, 学到老。
② It is easier to fall than to rise. 摔倒容易爬起来难。
③ It is no use crying over spilt (溢出的) milk. 覆水难收。
Conclusion :it 可以用作非人称代词，表示 _天__气__,_时_间___,__距__离__,_地__点___,_温__度___,_日__期__ 等。
7
e.g: ___C___ a. Jim is at the door．____wants to see you． b. Someone is at the door．____must be Jim．
形式主语
不定式短语
4. 在句1和句2中 it 的作用是___________ ,真正主语是________。
（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，impossible，likely，right， wrong，important，obvious，useful，useless，
school. 2.用于代替指示代词this 和that。 ---Is this jacket yours? ---Yes, __it____is.
6
Read and analyze the following sentences.
• It is Friday today. Date
• It was very cold last Monday. weather
__i_t __用来指代前面提到的可数名词，所指的是事物本身； __o_n_e__则用来替代前面出现过的可数名词，泛指，指一类
事物中的一个 .
_th__a_t__用来代替不可数名词或单数可数名词，特指。
9
一.It 作为形式主语
ห้องสมุดไป่ตู้
二.
当不定式、动名词、从句等用作句
子主语时，为保持句子平衡，通常把真正的
某人做某事某人是…….
2 It’s foolish of you to quit your job now.
2020/9/17
12
3.It is no good crying over spilt milk. 4.It is no use casting pearls before swine .
十年树木，百年树人。
3
Grammar: Use of “It”
4
课文原句再现
1.It’s a beautiful day here and I am sitting under the big tree at the end of the garden.
2.Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up.
④ It never rains but it pours(泼水).
不鸣则已, 一鸣惊人。
2
⑤ It is easy to open a shop but hard to keep it always open.
创业容易守业难。
⑥ It takes three generations (代,辈) to make a gentleman.
• It is about 8:30 now. time
distance
• It is about 25km from Longxian to Bazi.
• It lies in the south of Shaoguan city. place
• It is 40°C ! You got a high feveTre! mperature
3.Believe me, I know how easy it is to begin smoking and how tough it is to stop.
2020/9/17
5
The use of “it” 1.用作人称代词，代表前面提到的人或事物。 1) Who’s it? ___I_t’_s____me. 2) Look at the picture. __It___is a picture of our
A. That, It B. It, He C. He, It D. Who, He
一般说来，在指代身份或性别明确的人时，通 常要根据情况用代词he／she；若是指代身份 或性别不明的人，则用代词it
Ba8ck
1. I can’t find my pen. I’m going to buy _o_n__e_. 2. Life today is better than __th_a_t__ in the old days. 3. I can’t find my pen. I must have lost __i_t __.
主语放在句末，而在句首使用形式主语it.
10
eg: 1. It is illegal（for a teenager）to drive a car without a license.
2. It is necessary for you to give him a letter.
3. Conclusion：
dangerous…
2020/9/17
11
（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， careless，foolish，stupid，wise，crazy. eg: 1. It‘s kind of you to help me with the problem.
Good morning, everyone!
1
Proverbs(谚语) with “It”
① It is never too old to learn.
活到老, 学到老。
② It is easier to fall than to rise. 摔倒容易爬起来难。
③ It is no use crying over spilt (溢出的) milk. 覆水难收。
Conclusion :it 可以用作非人称代词，表示 _天__气__,_时_间___,__距__离__,_地__点___,_温__度___,_日__期__ 等。
7
e.g: ___C___ a. Jim is at the door．____wants to see you． b. Someone is at the door．____must be Jim．
形式主语
不定式短语
4. 在句1和句2中 it 的作用是___________ ,真正主语是________。
（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，impossible，likely，right， wrong，important，obvious，useful，useless，
school. 2.用于代替指示代词this 和that。 ---Is this jacket yours? ---Yes, __it____is.
6
Read and analyze the following sentences.
• It is Friday today. Date
• It was very cold last Monday. weather