高中英语it的用法课件
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
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
高中英语语法It的用法讲解与练习
It的用法It的用法在高考中也是重现率较高的语言点，尤其是it用于强调句。
其考查方式多通过“单项填空”进行，偶尔也出现在“短文改错”和“完形填空”中。
一、要点点拔1．代替上文中提到过的人或事物。
指代人时，一般用于小孩或身份不十分明朗的人。
1) －Who is the baby?－It‘s my teacher’s son．2) －Who is that gentleman?－It's my friend Tom．He(不可用It) wants to see you．2．用于表达天气、环境、时间、距离、季节等。
例如：1) It’s half an hour’s walk from here to our school．2) It‘s nice and warm here．3) But it's two o'clock now, and it's time for us to go to school．3．用作形式主语.it 没有具体意义，而只是帮助把真正的主语移至句子后尾，使句子显得平稳一些，能借it 给移至句子后尾的主语有三种：一种由不定式表示，一种由动名词表示，一种由从句表示。
1).It 替代真正的主语——动词不定式短语.It is easier to say than to do .It is a good act to help the others.2).it 替代真正的主语——动名词短语,以动名词短语做主语的句子，主要在以no good, no use, no harm, dangerous, foolish 等词作表语的句中.It’s no harm drinking running water in that area。
It’s foolish talking like that.3).it 替代从句作主语，用从句做主语的带it 的句子很多,常见的有下面几类：①It is a pity (a shame ,a fact ,a wonder ,a good thing, etc. ) that…It is a shame that he didn’t pass the exam.②It is strange ( surprising, obvious ,true, good, possible, clear, etc. ) that…。
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
高考英语It的用法
高考英语It的用法It是高考英语中一个极其重要的词，其用法多样，在不同的语境中具有不同的意义。
下面我们将从it的用法、句型和固定搭配三个方面进行讲解。
一、it用作实词1、表示时间、天气、距离、温度等自然现象。
例如：It is Monday today.今天是星期一。
It is raining outside.外面正在下雨。
It is 5 kilometers away from here.距离这儿有5公里远。
2、表示观点、看法、态度等主观想法。
例如：I think it is a good idea.我认为这是一个好主意。
We think it is important to learn English well.我们认为学好英语很重要。
二、it用作形式主语当不定式、动名词或从句作主语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式主语，代替不定式、动名词或从句，而把真正的主语放在句尾。
例如：It is important to learn English well.学好英语很重要。
It took me an hour to finish the homework.我花了一个小时完成作业。
三、it用作形式宾语当不定式、动名词或从句作宾语时，为了保持句子结构平衡，避免头重脚轻，常用it作形式宾语，代替不定式、动名词或从句，而把真正的宾语放在句尾。
例如：I think it is important to learn English well.我认为学好英语很重要。
He found it hard to learn English well.他发现学好英语很难。
四、it用于强调句型中强调句型是英语中一个重要的句型，用于突出强调某个成分，特别是主语、宾语和状语等。
在强调句型中，it没有实际意义，只是起到引导作用。
例如：It is I who am the best student in my class.我是班里最好的学生。
高中英语语法复习5 强调句、It的用法、省略和插入语
语法复习五：强调句、It的用法、省略和插入语一、强调句（一）强调句句型1、陈述句的强调句型：It is/ was + 被强调部分（通常是主语、宾语或状语）+ that/ who （当强调主语且主语指人）+ 其它部分。
e.g. It was yesterday that he met Li Ping.2、一般疑问句的强调句型：同上，只是把is/ was提到it前面。
e.g. Was it yesterday that he met Li Ping?3、特殊疑问句的强调句型：被强调部分（通常是疑问代词或疑问副词）+ is/ was + it + that/ who + 其它部分？e.g. When and where was it that you were born?4、强调句例句：针对I met Li Ming at the railway station yesterday.句子进行强调。
强调主语：It was I that (who) met Li Ming at the railway station yesterday.强调宾语：It was Li Ming that I met at the railway station yesterday.强调地点状语：It was at the railway station that I met Li Ming yesterday.强调时间状语：It was yesterday that I met Li Ming at the railway station.5、注意：构成强调句的it本身没有词义；强调句中的连接词一般只用that, who，即使在强调时间状语和地点状语时也如此，that, who不可省略；强调句中的时态只用两种，一般现在时和一般过去时。
原句谓语动词是一般过去时、过去完成时和过去进行时，用It was … ，其余的时态用It is … 。
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形式宾语
I think it his duty to clean the blackboard. Sentence patterns: … an honour a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /that 3. S + V + it + no good + doing sth. no use
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. 2. The Foreign Minister said, “It is our hope that the two sides will work towards peace.” 3. It is known to everybody that the moon travels round the earth once every month.
It’s 10:08 It weighs only 3 kilos
It’s lovely It’s a large sum of money
2.2.指时间 指时间: 指时间 It was nearly midnight when she came back. So you are going to be married this time？ ？ When is it？ ？ 2.3.指环境 指环境: 指环境 It was very quiet in the café. 2.4.指距离： 指距离： 指距离 It is half an hour’s walk to the city centre. 2.5.指不知性别的人：
6. It is suggested ( ordered /demanded/insisted/commanded... ) that ... 该句型和上一个同属一个句型， 该句型和上一个同属一个句型，主句中的过去分 词是表示请求，建议，命令等词时， 词是表示请求，建议，命令等词时，that 后的从 句要用虚拟语气（ 动词原形）， ），should 句要用虚拟语气（should + 动词原形）， 可以省；常译为“据建议；有命令．．．） 可以省；常译为“据建议；有命令．．．） It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours.
Who is it? ---It’s me. Her face lighted when she saw who it was. 2.6. 指某件事： 指某件事： It doesn’t matter. /It is a shame, isn’t it?
基本用法: 基本用法:
it可用来指代前文提到的人 物或事情 也可以用来 可用来指代前文提到的人,物或事情 可用来指代前文提到的人 物或事情,也可以用来 指时间,金钱 距离,天气等自然现象 金钱,距离 指时间 金钱 距离 天气等自然现象
It ____ was a sunny day. Peter decided to go it for a walk to the park, though _____ was two miles away. ___ was so comfortable to walk on It the street.
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 该句型中 是形式主语，真正的主语是 的主语从句，常译为“清楚（显然，真的， 的主语从句，常译为“清楚（显然，真的，肯 ．．．）” 是主语从句最常见的一种结构。 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.
11. It is ... when ...。 。 引导的是一个时间状语从句， 该句型中的 when 引导的是一个时间状语从句， 指时间，表语由具体的时间充当， 主句中的 it 指时间，表语由具体的时间充当，常 译为＂ ．．．的时候 的时候， 译为＂当．．．的时候，是．．．＂ It was 5 o’clock when he came here. 12. It be ... before ... 指时间， 该句型主句中的 it 指时间， 主句中的时态常是将 来一般时或过去时两种时态． 来一般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．．．” 之后．．． 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.
Eg:
It was a sunny day. Peter decided to go for a walk to the park, though it was two miles away.
It can be used as impersonal
pronouns to talk about time, date, distance or weather and so on.
2.I would appreciate it if… 3.…see to (depend on…) it that
• Please see to it that the door is locked. • See to it that you are here on time tomorrow morning. • You may depend on it that it is true. • You may depend on it that we support you • You may depend on it that he will turn up in time.
形式宾语
Sentence patterns:
… … find possible 1. S+ think + it + necessary +( for sb. ) to do sth. /that feel important … …
…
a rule 2. S+ V + it + one’s duty + ( for sb. ) to do sth. /that an honour … 3. S + V + it + no good + doing sth. no use
7. It is a pity ( a shame ... ) that ... 该句型中， 后的从句一般用虚拟语气（ 该句型中，that后的从句一般用虚拟语气（should + 动 后的从句一般用虚拟语气 词原形）， ），should可省去．表示出乎意料，常译为＂竟 可省去． 词原形）， 可省去 表示出乎意料，常译为＂ ＂。没有这种意义时 则不用虚拟语气。 没有这种意义时， 然＂。没有这种意义时，则不用虚拟语气。 It is a pity that such a thing ( should ) happen in your class. It is a pity that he is ill. 他生病了，真遗憾！ 他生病了，真遗憾！ 8. It is time ( about time ，high time ) that ... 该句型中that 后的从句应该用虚拟语气，值得注意的是 后的从句应该用虚拟语气， 该句型中 常用过去时态表示虚拟． 有时也用should + 动词 ① 常用过去时态表示虚拟．② 有时也用 原形， 不能省，常译为＂ 正是）．．． ）．．．的时 原形，should 不能省，常译为＂是（正是）．．．的时 侯．．．＂ It is time that children should go to bed. = It is time that children went to ___ in the autumn when the weather is clear and bright.(04全国) A. this B. that C. it D. one 点拨:这是it作形式宾语的一种特殊用法.少数动词( it作形式宾语的一种特殊用法 点拨:这是it作形式宾语的一种特殊用法.少数动词(如like, love, enjoy, dislike, hate, appreciate等)或包含介词的 动词短语( on等 后接宾语从句, 动词短语(如see to, depend on等)后接宾语从句,必须先由 it担任形式宾语 再接从句. 担任形式宾语, it担任形式宾语,再接从句. Sentence patterns: 1.I like (enjoy, hate…) it when
Summary 2
形式宾语
The chairman thought ___ necessary to invite B Professor Smith to speak at the meeting.(05全国) A. that B. it C. this D. him Sentence patterns: important … possible find 1.S+ think + it + necessary +( for sb. ) to feel do sth. … /that