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Section_ⅢGrammar—it的用法(1)语法图解探究发现①It is a beautiful day here and I am sitting under the big tree at the end of the garden.②Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up.③It is never too late to mend.④It is no use talking to them.⑤It is said that he stole the money.⑥I think it difficult to learn English well.⑦We make it clear that speaking to the teacher in that way is not polite.⑧I don't like it when people talk with the mouth full of food.[我的发现](1)①句it表示天气，②句第一个it代替to_give_it_up作形式宾语；第二个it代替句中所说的“吸烟”的事。
(2)在句③④⑤中it用作形式主语，其中句③用在“It is＋形容词＋(for/of＋sb.)＋动词不定式(短语)”中，it指代动词不定式(短语)；句④用在“It is＋no use/good＋动名词(短语)”中，it指代动名词(短语)；句⑤用在“It is＋said/believed/reported＋that从句”中，it指代that 从句。
(3)在句⑥⑦⑧中it用作形式宾语，其中句⑥用在“动词＋it＋形容词＋动词不定式(短语)”中，it指代动词不定式(短语)，句⑦用在“动词＋it＋形容词＋that从句”中，指代that 从句；句⑧it用在某些特殊的句式中，指代when从句。
“It” QQ 124360073 it “It”(1)This is our new car. I bought it yesterday.(2)1. Where is the cat? It’s under the bed.2. The baby cried when it was hungry.(3)Who is it? It’s me.(4)1. He smokes in bed and I don’t like it.2. It would be ideal if you could join us.(5)1. What time is it? It’s seven o’clock.2. It’s about 50 kilometers from here to my home.3. It is snowing. It was very quiet in the garden.(6)I cannot help it.“It”It's ++ that......; It's ++ to do......;1.It is important / difficult / necessary / possible / likely / natural /… + that…...It's ++that......; It's ++doing sth1. It is a pity / shame / duty / rule that…...2. (It is) no wonder that …3. It is a waste of time /money doing sth.It is no good/no use/no pleasure doing sthIt +(hit/strike/occure to sb/happen/matter/seem/appear)+that......It struck / hit sb that… “ ……”; It happened that… “ ……”It occurred to him that… “ ……”; It doesn’t matter that… “ ……”It seems (appears) that… …; It looks as if…It follows that… “ ...,”It's ++that......It is said/ reported/ believed/thought / recognized / understood that…it It’s…that… it’s…when…; it’s…since…; it’s/it will be…before…;1. It was some time ___________ we realized the truth.2. It was not yet eight o'clock ____________ he arrived home.3. That was really a splendid evening. It's years ____________ I enjoyed myself so much.4. It may be five or six years ____________ it is possible to test this medicine on human patients.“It”(think/ find/ feel/ consider/ make/ regard/ suppose) +it++()1. I find it difficult to do the job well.2. I think it best that you should stay here.(enjoy, like, dislike, love, hate, prefer, appreciate) +it + when (if)-1. I hate it if you say such things in public. I dislike it when you whistle.2. We really appreciate it when she offered to help. I’d prefer it if I didn’t have to do so much work.(depend on, see to, look to, insist on, stick to, answer for) +it + that-1.See to it that you’re not late again.2.Look to it that this doesn’t happen again.3. I can’t answer for it that he will come.4. You may rely on it that he’ll come to meet you.5. You may depend on it that he will help you.take it for granted that...""owe it to sb that...""1. I took it for granted that he would help us.2. I owe it to you that I am still alive.“It”take it easy It doen'st matter Keep it a secretI can't help it.I got it.Go for it.give it a trymake it when it comes to ......It all depends.; It's up to you.believe it or not“it” BY WJC。
It用法一、It用作实词表达以下概念：指代前文提到的事物,前文中的this，that;替代前文中的内容；指代一位性别不明的小孩或未知的人;指代未指明但谈话双方都知道的那件事;指代______ _______ _______ _________等自然现象。
二、It用作形式主语替代作主语的______ ______ _______,而把真正作主语的从句、动词不定式、动名词置于句尾。
It 作形式主语的常见句型：1。
代作主语的动词不定式,其句型为（1）It be adj。
(for sb。
) to do sth.（2）It be adj. of sb. to do sth.(3）It替代作主语的动名词的常见句型：It’s no good/use ______…It’s （well)worth _______…It’s (well)worth one’s while _____- It’s (well）worth while _______2. It替代作主语的从句常见句型（1）It is + noun +从句（2）.It is adj。
+clauseIt’s surprising that… （______）………竟然……It's a pity/shame that…(______)………竟然…（3）It verb sb. + clause= It is v-ing + clauseIt+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze/bot her/concern/frighten/please/anger sb. that…(4）It verb (to sb.）that…= sb/sth verb to do（verb = appear, seem, come about, emerge，follow，chance, happen，occur，transpire，turn out ，work out)（5）It is v—ed that…=sb/sth is to do(verb=say，report，think, believe，hope，expect，agree，accept，decide，determine，intend, plan，understand，know）四、It 作形式宾语用来替代作宾语的________ ________ ________，而把真正作宾语的从句、动词不定式、动名词置于句尾。
it 充当形式主语，构成大量的常用句式。
要注意it后谓语不同的形式，并译成通顺的汉语。
1.It is a fact that... 事实是……It is a wonder that... 这真是个奇迹It is no wonder that... 难怪……2.It is obvious that... 很明显……,很清楚…It is strange that... 奇怪的是……，……令人费解3.It so happened that... 碰巧……，说来也巧It follows that... 从而……于是乎……,这样一来It seems that... 看来……It appears that... 看来……似乎It turns out that... 原来……，结果It occurred to me that... 我突然想到……4.It was said that... 据说……It was reported that... 据报道……It is believed that... 据认为，人们相信…It is universally accepted that... 普遍认为……It was announced that... 据宣布……It is estimated that... 据估计……It is to be noted that... 值得注意的是……It must be admitted that... 必须承认……It can safely be said that... 完全可以说……It can thus be concluded that... 由此可以得出结论……It doesn't matter... ……是无关紧要的It doesn't need to be bothered that... 无须担忧……It makes no difference... ……毫无区别、。
Unit3 单元语法详解“it”的用法一、代词it1. 代替前文提到的事物。
如：——Where is the dog?-It's in the bedroom. ——狗在哪?——在卧室里。
2. 指性别不明的婴儿或不明确身份的人。
如：There is a knock on the door. It must be the postman.有人在敲门，一定是邮递员。
3. 代替指示代词this，that。
如：——What's this?——It's a new machine. ——这是什么？——是一种新机器。
二、it 用于某些句型It's time for sth. 该做某事了It's time to do sth. 该做某事的时候了It's time for sb. to do sth. 是某人该做某事的时候了It's(about/high）time+that从句某人该做某事了（从句谓语用一般过去时）It's the first(second)time+that从句某人第几次做某事（从句谓语用现在完成时）It's+时间段+since从句自从……有多长时间了It will be/was+时间段+before从句过多长时间才……(1）It is the first time that I have been here.这是我第一次来这儿。
(2）It is three years since the war broke out.自战争爆发以来有三年了。
(3）It will be half a year before I come back.还得再过半年我才能回来。
三、it用作形式主语当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平衡，通常把真正的主语后置，而在句首使用形式主语t。
如：(1）It's unknown when he will come.他什么时候来还不知道。
高中英语学习资料madeofjingetiejiGRAMMAR“it”的用法（一）【概括】it的用法好多，本单元我们主要学习它的基本用法以及它作形式主语或形式宾语的用法。
1.用作人称代词，指代上文提到的事物、动物、性别不明或没必需知道性其他人。
如：“Where’syourcar?”“It’sinthegarage.”Herdogwashowlingatthedoor,soheletitin.Thebabynextdoorkeptmeawake.Itcriedallnight.用作非人称代词，用来指代时间、日期、地址、天气、温度、距离、环境、状况等。
如：Itwas4o ’clockandthemailstillhadn’tcome.It’squitewarmatthemoment.It’sover200milesfromLondontoManchester.It’sgettingverycompetitiveinthecarindustry.3.用作形式主语，真实的主语常为不定式（短语）、动词-ing形式（短语）或名词性从句。
如：It’s impossibleforustogetthereintime.It’salwayssadsayinggoodbyetosomeoneyoulove.It’sstrangethatshenevermentionedthewedding.4.用作形式宾语，真实的宾语常为不定式（短语）、动词-ing形式（短语）或名词性从句。
如：Manypeoplefindithardtostopsmoking.Shefindsitboringstaying/tostayathome.Ifinditstrangethatshedoesn ’twanttotravel.【辨析】it,one和that1.it指物时，是明确指上文提到的那个事物。
it能够取代单数可数名词、不行数名词及前方提到的事情或状况。
人教版高中选修六第三单元语法it的用法(1)人教版高中英语选修六的语法武汉市新洲区新洲二中英语组张元利人教版高中英语选修六的语法It’s 10:08 It weighs only 3 kilosIt’s lovely It’s a large sum of money人教版高中英语选修六的语法It was a sunny day. Jack wanted to make an ____ appointment with Rose. They decided to go for a it was two miles walk to the park, though _____ It was comfortable to walk on the street. away. ___人教版高中英语选修六的语法it it Suddenly ___began to rain. They found __ hard to walk there. Then they took a bus home. Unfortunately ___ it went wrong. When they got home, they were wet through. Thus ___ it was a day that they would never forget. 人教版高中英语选修六的语法学习纲要The Usage 形式主语 of 形式宾语“it” 固定用法基本用法三个句型常见用法特殊用法三个句型人教版高中英语选修六的语法1.基本用法:1.it作人称代词1.1.it的最基本用法是作人称代词，主要指刚提到的事物，以避免重复: 1.2.也可以指动物或婴儿(未知性别的婴儿或孩子): 1.3.也可指抽象事物:人教版高中英语选修六的语法1.基本用法:2.非人称代词it2.1.指天气：2.2.指时间:2.3.指环境:3.作指示代词:可用来代替this ,that.BACK人教版高中英语选修六的语法学习大纲that 从句——虚拟语气… possible It is / was + adj. necessar y + ( for sb. ) to do sth. / clause 逻辑主语的特性important (of sb.) … … that 从句——虚拟语气 one’s duty It +is /was + n. a pity + ( for sb. ) to do sth. / that an honour … … said/reported/noticed It is / was p.p + that-clause suggested/ordered that 从句——虚拟语气…2. it 用作形式主语人教版高中英语选修六的语法2. it 用作形式主语2.1 作形式主语替代不定式1). It takes sb. ... to do sth. ;做...要花费某人..;2). It is kind ( of sb. ) to do sth.3). It is necessary ( for sb. ) to do sth4).It +is /was + a pity ( for sb. ) to do sth.人教版高中英语选修六的语法2. it 用作形式主语2.2.作形式主语替代ing形式It is no good (use ) doing sth. 该句型中的真正主语是动名词短语，主句中的表语可以是no good,( not any good ),no use,( not any use ),no fun, useless,a waste of time d+doing sth.It is no good learning English without speaking English.人教版高中英语选修六的语法2. it 用作形式主语2.3 代替主语从句 1)It is + adj. +that从句① It is clear ( obvio us,true,possible,certain....) that .....“清楚(显然，真的，肯定...)” ②. It is important ( necessary,right,strange,natural...) that ...人教版高中英语选修六的语法2. it 用作形式主语2)It is +v-ed +that 从句① It is said (reported, learned....) that ... 据说(据报道，据悉...)“。
Grammar：The use of “it” 学案Step 1 lead-in一．Translate the proverbs.1.It’s never too late to learn.________________________________2. It never rains but it pours(泼水).________________________________3. It takes three generations to make a gentleman.________________________________4. It is easy to open a shop but hard to keep it always open.________________________________二．Discover it and analyze its components in sentences.1. It rains heavily.2. It is 20 kilometers from Granddad's house to James’.3. It is November 11, 2005.4. It is 9 o’clock at night.5.It'll be lovely in the garden tonight．6. It is bad to smoke.7. I think it important to learn English.Step 2 Grammar learning考点一：it用作代词Read and analyze the sentences.1.It is Friday today.2.It was very cold last Monday.3.It is about 8:30 now.4.It is about 25km from Longxian to Bazi.5.It lies in the south of Shaoguan city.6.It is 40°C ! You got a high fever!Conclusion(一): it 可以用作非人称代词, 表示_____,_____, ______, ______, ______, ______等。
