1、h It is never too old to learn.活到老活到老,学到老。学到老。It is easier to fall than to rise.摔倒容易爬起来难。摔倒容易爬起来难。It is no use crying over spilt(溢出的溢出的)milk.覆水难收。覆水难收。It never rains but it pours(泼水泼水).不鸣则已不鸣则已,一鸣惊人。一鸣惊人。Proverbs(谚语谚语)with“It”h It is easy to open a shop but hard to keep it always open.创业容易守业难。创业容易守业
2、难。It takes three generations(代代)to make a gentleman.十年树木十年树木,百年树人。百年树人。h用作人称代词用作人称代词作非人称代词作非人称代词做形式主语做形式主语作形式宾语作形式宾语用于强调结构用于强调结构习惯用法习惯用法h1.The boy became fatter and fatter each day and made his parents sad.A.which B.what C.he D.it h2.Someone is ringing the doorbell.Go and see A.who is he B.who he is
3、 C.who is it D.who it ishLife is like a fire;it begins in smoke,and ends in ashes.【人生犹如火堆，始于青烟，终于灰烬】【人生犹如火堆，始于青烟，终于灰烬】h1.用作人称代词用作人称代词2.代替前文提到的事代替前文提到的事物物3.指代身份和性别等指代身份和性别等不明确的人不明确的人hit与与one的区别的区别 Do you still have the bicycle?No,I have sold _.A.that B.it C.one D.this Is this knife yours?No.It is Xia
4、o Zhangs.Mine is _ on the desk.A.that B.it C.the one D.thisB.My bike has been stolen.I think I should buy_.C.A.that B.it C.one D.this Attention:这两个词都可以代表前面说过的名词这两个词都可以代表前面说过的名词,it用于用于同名同物同名同物的场合；的场合；one则用于则用于同名异物同名异物的场合。的场合。hit与与that的区别的区别The climate of South China is mild;I like _very much.A.that B
5、.it C.one D.this（it指指the climate of South China）The climate of South China is much better than _of Japan.（that指指the climate）A.that B.it C.one D.this两词都可代替某一特定名词，但两词都可代替某一特定名词，但that指同一类，并非指同一类，并非同一个。同一个。h2.用作非人称代词用作非人称代词 hRead and analyze the sentences.It is Friday today.It was very cold last Monday.
6、It is about 8:30 now.It is about 25km from Longxian to Bazi.It lies in the south of Shaoguan city.It is 40 C!You got a high fever!Conclusion:it 可以用作非人称代词可以用作非人称代词,表示表示_,_,_,_,_,_等。等。dateweathertimedistanceplacetemperature 日期日期天气天气时间时间距离距离地点地点温度温度h她回来时已接近午夜。她回来时已接近午夜。It was nearly midnight when she c
7、ame back.这里很吵。这里很吵。It is noisy here.今天很冷。今天很冷。It is very cold today.h3.It 3.It 做形式主语做形式主语 it可以用作句子的形式主语可以用作句子的形式主语,而把而把句子逻辑上的真正主语移到后面去句子逻辑上的真正主语移到后面去,可以移到后面的主语是：可以移到后面的主语是：To doTo do V-ing V-ing 主语从句主语从句 h It is important to know your limitations.知道自己的局限性是很重要的。知道自己的局限性是很重要的。It is a good idea to go c
8、amping.去野营是个好主意。去野营是个好主意。It is against the law to do that.这样做是违法的。这样做是违法的。It gives me great pleasure to see the movie.观看电影让我很高兴。观看电影让我很高兴。To dohno good(不好）不好）no use（没用）（没用）great fun（很有趣）（很有趣）worthwhile（值得）（值得）a new experience(一种新的经历）一种新的经历）It isdoing sth.V-inghIt is great fun working for him.为他工作很有意
9、思。为他工作很有意思。Do you think it is worthwhile quarrelling with him？你认为和他吵值得吗？你认为和他吵值得吗？h（1）It+be+名词名词+that从句从句e.g.It is a pity/a fact/a wonder/no wonder that（2）It+be+形容词形容词+that从句从句e.g.It is important/likely/possible/right that（3）It+不及物动词不及物动词+that 从句从句e.g.It seems/happens/appears that（4）It+be+动词的过去分词动词的
10、过去分词+that从句从句e.g.It is said/believed/known/reported that主语从句主语从句hIt is a wonder that he is still alive.他居然还活着他居然还活着,真是个奇迹。真是个奇迹。It happened that the harvest was bad that year.碰巧碰巧,那年的收成不好。那年的收成不好。It is said that there was an earthquake in Japan.据说日本发生了地震。据说日本发生了地震。h 主语从句中除了主语从句中除了that也可能是疑问词引导的也可能是疑
11、问词引导的 It is still a question how many people are to come.多少个人会来，还是个问题。多少个人会来，还是个问题。It is none of your business where I spend my summer.我在哪儿过夏天，这不关你的事。我在哪儿过夏天，这不关你的事。It remains to be seen whether it will do us harm or good.对我们有好处还是有害处，还要等着瞧。对我们有好处还是有害处，还要等着瞧。h4.It 做形式宾语做形式宾语当复合宾语中的宾语是当复合宾语中的宾语是不不定式、动
12、名词、宾语从句定式、动名词、宾语从句时，往往把宾语放在它的时，往往把宾语放在它的补足语后面，而用补足语后面，而用it作形式作形式宾语，放在谓语之后。宾语，放在谓语之后。h结构：动词结构：动词+it+宾语补足语宾语补足语+真正真正的宾语（不定式、动名词、从句）的宾语（不定式、动名词、从句）IT做形式宾语的做形式宾语的6123结构结构6：动词：动词：consider,think,make,find,believe,feel1：形式宾语：形式宾语：it 2：宾补：宾补：名词和形容词名词和形容词3：真正的宾语：真正的宾语：to do,v-ing,从句从句h I think it no use argu
13、ing with him.我认为和他争吵没有用。我认为和他争吵没有用。I found it very interesting to study Japanese.我发现学日语非常有趣。我发现学日语非常有趣。h5.用于强调句中用于强调句中强调句基本结构：强调句基本结构：It is/was+被强调部分被强调部分+that/who+句子的其他部分句子的其他部分 如果强调的是人，可以用如果强调的是人，可以用who代代that。h用强调句改写句子用强调句改写句子Prof.Lin teaches us English.It is Prof.Lin who teaches us English.(强调主语强
14、调主语)Prof.Lin teaches us English.It is English that Prof.Lin teaches us.(强调宾语强调宾语)I saw the film in Shanghai.It was in Shanghai that I saw the film.(强调状语强调状语)I went to university in 2001.It was in 2001 that I went to university.(强调状语强调状语)h not until 句型的强调句句型的强调句1)句型为：句型为：It is/was not until+被强调被强调部分部
15、分+that+其它部分其它部分2)注意注意：因为句型中：因为句型中It is/was not 已已经是否定句了，经是否定句了，that后面的从句要用肯后面的从句要用肯定句。定句。He didnt go to bed until his mother came back.It was not until his mother came back that he went to bed.h6.用于特殊句型中用于特殊句型中 hmake itas it is thats it forget itgot it guess it worth it 及时赶到及时赶到;成功成功;办成办成 相当于相当于 in
16、fact,in reality 意为实际意为实际上，事实上上，事实上相当于相当于Thats all.Thats so much.意为意为“到此为止，没有别的了；就到此为止，没有别的了；就这样这样”用于回答用于回答sorry，也可以委婉表示拒，也可以委婉表示拒绝或不同意。绝或不同意。意为明白了，理解了意为明白了，理解了猜对了猜对了相当于相当于useful，有好处，值得做，有好处，值得做htake it easybelieve it or not10.It(all)depends11.Its up to you.12.It couldnt be better/worse.13.It doesnt
17、matter.14.Dont mention it.15.take it for granted不要慌，别担心不要慌，别担心信不信由你信不信由你那要看情况，还没有定下来那要看情况，还没有定下来由你决定由你决定没有比这更好的了没有比这更好的了/更糟糕的了。更糟糕的了。没关系没关系不用谢不用谢想当然想当然h7.常用句型及考点常用句型及考点 h辨析：辨析：It+be+adj.of sb to do sthIt+be+adj.for sb to do sth1.It+be+adj.of/for sb to do sthIt is kind of you to help me.It is foolish
18、 of him to do that.It is important for us to study hard.It is difficult for them to settle the problem.h如果句型中的形容词是用来如果句型中的形容词是用来描述描述sb的特征的特征（如（如kind/rude/cruel/polite/right/wrong/foolish/silly/stupid/wise等），则用等），则用 of 此时句式可此时句式可以换成以换成sb+be+adj.+to do sth；Its kind of you to help me.=You are kind to h
19、elp me.若句型中形容词是用来若句型中形容词是用来描述不定式性质的描述不定式性质的（如（如important/necessary/hard/difficult/easy/natural/common等），则用等），则用 forh2.It is time(about time，high time)that是时候该做某事了是时候该做某事了 本句型中本句型中that后的从句应该用虚拟语气。后的从句应该用虚拟语气。3.It is the first(second)time that第一次第一次 本句型中本句型中that后的从句要用后的从句要用现在完成时现在完成时4.It takes sb time
20、/money to do sth5.It doesnt matter whether是否是否没关系没关系6.It is up to sb to do sth由某人决定做某事由某人决定做某事h高考链接高考链接1.He didnt make _ clear when and where the meeting would be held.(天津天津2007)A.this B.that C.it D.these 2._ is our belief that improvements in health care will lead to a stronger,more prosperous econ
21、omy.(浙江浙江2006)A.As B.ThatC.This D.ItCDh3.The doctor advised Vera strongly that she should take a holiday,but _ didnt help.(2005全国全国)A.it B.she C.which D.he4.Id appreciate _ if you would like to teach me how to use the computer.(山东山东2006)A.thatB.it C.this D.youABh5.It was _ he came back from Africa t
22、hat year_ he met the girl he would like to marry.(江西江西2009)A.when;then B.not;untilC.not until;that D.olny,when6.It was along the Missippi River _Mark Twain spent much of hid childhood.(天津天津2008)A.how B.which C.that D.whereC C h改错改错1.You wont find difficult to get to the city 2.center.(2004全国全国)2.I k
23、now there is not easy to be a teacher.(2004湖北湖北)3.This is not surprising that the Silver Ghost was regarded as“the best car in the world”.find后加后加itthere itThis IthExercises:1.I hate _ when people talk with their mouths full.A.it B.that C.these D.them 2.In which play is _ your brother will appear?A.
24、that where B.this when C.it that D.it where3._ the harder you work,the better result youll get.A.Its believed that B.What we believed that C.Its fact D.What the fact isACAh4.Nothing can stop us,_?A.cant it B.can it C.cant we D.can we5.-Can you tell us how the war was won in the end?-I dont know,_.A.
25、Its hard to say B.It doesnt matter C.Its no use saying D.It depends on the workBAh6.Does _ matter a lot whether she will come here by bus or by taxi?A.The thing B.that C.it D.her mother7.-Listen!Someone is unlocking the goods.-_ must be your father coming back from Beijing.A.It B.There C.That D.This
26、CAh8.-Have you written a letter to her?-No,but Im going to write _ tonight.A.it B.that C.those D.one9.-Are they coming to the meeting?-_.A.I know so B.I am sure so C.I am sure of it D.I question it10._ now pretty late,we took candles and went upstairs.A.Being B.For C.For being D.It beingDADh11.The t
27、eacher told the students _.A.why to learn English important B.why was it important to learn English C.why it important to learn English D.why it was important to learn English12.The TV sets made in China are much better than _ in Japan.A.that B.those C.them D.itDBh13.Our food and service are better
28、than _ used to be.A.It B.we C.they D.them14.-Im looking for a flat.-Would you like _ with _ garden?A.it;the B.it;a C.one;a D.one;the15._ four years since I joined the Army.A.It was B.It is C.There is D.There wasCCBh谓语动词的强调谓语动词的强调1)It is/was that 结构不能强调结构不能强调谓语谓语，如果需要，如果需要强调谓语时，强调谓语时，用助动词用助动词do/does或
29、或did。Do sit down.务必请坐。务必请坐。He did write to you last week.上周他确实给你写了信。上周他确实给你写了信。Do be careful when you cross the street.过马路时，务必（千万）要小心啊！过马路时，务必（千万）要小心啊！2)注意注意：此种强调只用：此种强调只用do/does和和did，没有别的形，没有别的形式；过去时用式；过去时用did，后面的谓语动词用原形。，后面的谓语动词用原形。hIt的一些习惯用法的一些习惯用法How is it with your study?学习好吗？学习好吗？Thats it.这就对了
30、。这就对了。It went hard with him.他身遇不幸。他身遇不幸。It is all over with me.我完蛋了。我完蛋了。We must fight it out.我们必须坚持到底。我们必须坚持到底。I cant help it.我没有办法。我没有办法。hh1.It besince 自从自从,已经已经时间了时间了 本句型主句中用时间作表语，一般用本句型主句中用时间作表语，一般用现在现在时或完成时时或完成时，since引导的从句常用瞬间动引导的从句常用瞬间动词的词的一般过去时态一般过去时态。主句如用一般过去时，。主句如用一般过去时，则从句用过去完成时。则从句用过去完成时。
31、It is(has been)5 years since his father died.It was 5 years since his father had been dead.h 2.It bewhen 当当的时候是的时候是时间了时间了 本句型中的本句型中的when引导的是一个时间状语从句，引导的是一个时间状语从句，主句中的主句中的it指时间，表语由具体的时间充当。指时间，表语由具体的时间充当。当他起床的时候一点钟了。当他起床的时候一点钟了。It was one oclock when he got up.h3.It was/will be.before.过了一段时间过了一段时间,才才
32、该句型主句中的该句型主句中的 it 指时间，指时间，主句中的时态常是主句中的时态常是一般一般将来时或过去时将来时或过去时两种时态主句中的表语多是两种时态主句中的表语多是long，not long，3 days，2 weeks 等表示时间段的词等表示时间段的词或短语或短语,否定表示否定表示：没多久没多久,就就 It was 3 days before he went to Beijing.It will be not long before he finishes his job.hmake it 及时赶到及时赶到;成功成功;办成办成 e.g.You can make it if you hur
33、ry.如如果你赶快还可以及时赶到。果你赶快还可以及时赶到。You neednt worry;he will make it.你不必担心你不必担心,他会办到的。他会办到的。hcatch it 被责骂被责骂;受处罚受处罚e.g.If I come home late Ill catch it from my mother.如果我回家晚了如果我回家晚了,我妈妈会骂我。我妈妈会骂我。Youll catch it because of your carelessness.你会因为你的不小心受处罚的。你会因为你的不小心受处罚的。htake it for granted that相当然的认为某事相当然的认为某事不要想当然。不要想当然。Dont take it for granted.不要想当然的认为别人帮你是应该的。不要想当然的认为别人帮你是应该的。Dont take it for granted that others should help you.我认为他会成功是理所当然的。我认为他会成功是理所当然的。I take it for granted that he will succeed.h
