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1、Its 10:08Its lovely It weighs only 3 kilosIts a large sum of money2.2.指時間指時間:It was nearly midnight when she came back.2.3.指環(huán)境指環(huán)境:It was very quiet in the caf.2.4.指距離：指距離：It is half an hours walk to the city centre.3.it的其他用法的其他用法3.1.表示誰在做某事的句子：表示誰在做某事的句子：Who is it?-Its me.Her face lighted when she s
2、aw who it was.3.2.用來泛泛的指某件事：用來泛泛的指某件事：So you are going to be married this time？When is it？It doesnt matter.It is a shame,isnt it?it可用來指代前文提到的人,物或事情,也可以用來指時間,金錢,距離,天氣等自然現(xiàn)象基本用法基本用法:1.S+think +it +necessary +(for sb.)to do sth.The chairman thought _ necessary to invite Professor Smith to speak at the m
3、eeting.(05全國)A.that B.it C.this D.himSentence patterns:B find possiblefeelimportant /clause形式賓語形式賓語 2.S+V +it +ones duty +(for sb.)to do sth./clause 3.S +V+it +no good +doing sth.no use 形式賓語形式賓語I think it his duty to clean the blackboard.Sentence patterns:a rulean honour find possible S+think +it +n
4、ecessary +(for sb.)to do sth./clause feel important Sentence patterns:Sentence patterns:形式賓語形式賓語 a rule2.S+V +it +ones duty +(for sb.)to do sth./clause an honour 3.S +V+it +no good +doing sth.no use I like _ in the autumn when the weather is clear and bright.(04全國)A.this B.that C.it D.one點撥點撥:這是這是it
5、 it作形式賓語的一種特殊用法作形式賓語的一種特殊用法.少數(shù)動詞少數(shù)動詞(如如like,love,enjoy,dislike,hate,appreciatelike,love,enjoy,dislike,hate,appreciate等等)或或包含介詞的動詞短語包含介詞的動詞短語(如如see to,depend onsee to,depend on等等)后接賓后接賓語從句語從句,必須先由必須先由it it擔(dān)任形式賓語擔(dān)任形式賓語,再接從句再接從句.I like(enjoy,hate)it when.I would appreciate it if see to(depend on)it tha
6、tSentence patterns:C形式賓語形式賓語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.形式
7、主語形式主語高考真題高考真題 It is clear(obvious，true，possible，certain.)that.該句型中該句型中it 是形式主語，真正的主語是是形式主語，真正的主語是that 引引導(dǎo)的主語從句，常譯為清楚（顯然，真的，導(dǎo)的主語從句，常譯為清楚（顯然，真的，肯定）是主語從句最常見的一種結(jié)肯定）是主語從句最常見的一種結(jié)構(gòu)。構(gòu)。It is very clear that hes round and tall like a tree.=That hes round and tall like a tree is very clear.4.It is important(n
8、ecessary，strange，natural.)that.該句型和上一個同屬一個句型；由于主句中的形容詞不同，該句型和上一個同屬一個句型；由于主句中的形容詞不同，that 后的從句中要用虛擬語氣（后的從句中要用虛擬語氣（should+動詞原形），動詞原形），should 可以省去，建議記住該句型中的形容詞?？梢允∪ィㄗh記住該句型中的形容詞。It is important that we(should)learn English well.It is necessary that he(should)remember these words.5.It is said(reported，le
9、arned.)that.該句型中的該句型中的it 仍是形式主語，真正主語是仍是形式主語，真正主語是that 引導(dǎo)的主語引導(dǎo)的主語從句；該結(jié)構(gòu)常譯為據(jù)說（據(jù)報道，據(jù)悉）。從句；該結(jié)構(gòu)常譯為據(jù)說（據(jù)報道，據(jù)悉）。It is said that he has come to Beijing.It is reported that another earth satellite has been put into orbit.6.It is suggested(ordered/demanded/insisted/commanded.)that.該句型和上一個同屬一個句型，主句中的過該句型和上一個同屬一
10、個句型，主句中的過去分詞是表示請求，建議，命令等詞時，去分詞是表示請求，建議，命令等詞時，that后的從句要用虛擬語氣（后的從句要用虛擬語氣（should+動動詞原形），詞原形），should 可以?。怀Ｗg為據(jù)建可以?。怀Ｗg為據(jù)建議；有命令）議；有命令）It is suggested that the meeting(should)be put off.It was ordered that we(should)arrive there in two hours.7.It is a pity(a shame.)that.該句型中，該句型中，that后的從句一般用虛擬語氣（后的從句一般用虛擬語氣
11、（should+動動詞原形），詞原形），should可省去表示出乎意料，常譯為竟可省去表示出乎意料，常譯為竟然。沒有這種意義時，則不用虛擬語氣。然。沒有這種意義時，則不用虛擬語氣。It is a pity that such a thing(should)happen in your class.這種事竟然發(fā)生在你們班上，真是遺憾！這種事竟然發(fā)生在你們班上，真是遺憾！It is a pity that he is ill.他生病了，真遺憾！他生病了，真遺憾！8.It is time(about time，high time)that.該句型中該句型中that 后的從句應(yīng)該用虛擬語氣，值得注意的
12、是后的從句應(yīng)該用虛擬語氣，值得注意的是 常用過去時態(tài)表示虛擬常用過去時態(tài)表示虛擬 有時也用有時也用should+動詞動詞原形，原形，should 不能省，常譯為是（正是）的時不能省，常譯為是（正是）的時侯侯 It is time that children should go to bed.=It is time that children went to bed.9.It is the first(second.)time that.該句型要和上一個句型區(qū)別開來，該句型中的該句型要和上一個句型區(qū)別開來，該句型中的 that 從句從句不用虛擬語氣，而用完成時態(tài)，。至于用什么完成時態(tài)，不用虛擬語
13、氣，而用完成時態(tài)，。至于用什么完成時態(tài)，由主句的謂語動詞的時態(tài)決定。如果是一般現(xiàn)在時，后面由主句的謂語動詞的時態(tài)決定。如果是一般現(xiàn)在時，后面從句用現(xiàn)在完成時態(tài)；如果是一般過去時，后面從句則用從句用現(xiàn)在完成時態(tài)；如果是一般過去時，后面從句則用過去完成時態(tài)，該結(jié)構(gòu)中過去完成時態(tài)，該結(jié)構(gòu)中 that 可以省去；可以省去；it有時用有時用 this 替換常譯為是第一（二）次。替換常譯為是第一（二）次。It is the first time I have been here.=This is the first time I have been here.10.It is.since.。該句型主要用作
14、處理瞬間動詞的完成時，又要和表示一段該句型主要用作處理瞬間動詞的完成時，又要和表示一段時間的時間狀語連用的問題，主句中是時間作表語，其時時間的時間狀語連用的問題，主句中是時間作表語，其時態(tài)是現(xiàn)在時或完成時，態(tài)是現(xiàn)在時或完成時，since 引導(dǎo)的從句通常是一般過去引導(dǎo)的從句通常是一般過去時態(tài)，而且是瞬間動詞。如果主句是一般過去時，從句則時態(tài)，而且是瞬間動詞。如果主句是一般過去時，從句則用過去完成時。用過去完成時。It is(has been)5 years since his father died.11.It is.when.。該句型中的該句型中的 when 引導(dǎo)的是一個時間狀語從句，主句中的
15、引導(dǎo)的是一個時間狀語從句，主句中的 it 指指時間，表語由具體的時間充當(dāng)，常譯為當(dāng)?shù)臅r候，時間，表語由具體的時間充當(dāng)，常譯為當(dāng)?shù)臅r候，是是 It was 5 oclock when he came here.12.It be.before.該句型主句中的該句型主句中的 it 指時間，指時間，主句中的時態(tài)常是將來一般時或過主句中的時態(tài)常是將來一般時或過去時兩種時態(tài)主句中的表語多是去時兩種時態(tài)主句中的表語多是long，not long，3 days，2 weeks 等表示時間段的詞或短語，常譯為之等表示時間段的詞或短語，常譯為之后。后。It was 3 days before he went to
16、 Beijing.It will be not long before he finishes his job.13.It happens(seems，appears)that.該句型中該句型中it是形式主語，是形式主語，that 引導(dǎo)的是主語從句，主句中的引導(dǎo)的是主語從句，主句中的happen，seem等詞是不及物動詞。等詞是不及物動詞。It happened(so happened)that he met his teacher in the street.碰巧碰巧.It seems that he will be back in a few days.看來看來 14.It takes s
17、b.to do sth.該句型中的不定式是真正的主語，該句型中的不定式是真正的主語，it是形式主語，句是形式主語，句型中的直接賓語是時間，常譯為做要花費某型中的直接賓語是時間，常譯為做要花費某人。人。It took thousands of people many years to build the Great Wall.15.It is no good(use)doing sth.該句型中的真正主語是動名詞短語，主句中的表語可該句型中的真正主語是動名詞短語，主句中的表語可以是以是no good，(not any good)，no use，(not any use)。It is no goo
18、d learning English without speaking English.16.It doesnt matter whether(if).該句型中該句型中whether(if)引導(dǎo)的從句是真正主語，該句引導(dǎo)的從句是真正主語，該句型常譯為不論（是否）沒關(guān)系。型常譯為不論（是否）沒關(guān)系。It doesnt matter if they are old.17.It is kind(of sb.)to do sth.該句型中的不定式短語是真正主語，如果不定該句型中的不定式短語是真正主語，如果不定式的邏輯主語是由式的邏輯主語是由 of引起，主句中的形容詞必引起，主句中的形容詞必須是能表示邏
19、輯主語特征的形容詞。須是能表示邏輯主語特征的形容詞。常見的有：常見的有：bad，brave，careless，clever，cruel，foolish，good（好心（好心的），的），honest，horrible，kind，lazy，modest，naughty，nice（有教養(yǎng)的），（有教養(yǎng)的），polite，rude，silly，stupid，wise，wrong（錯誤的）等。（錯誤的）等。這個句型可以改寫為：這個句型可以改寫為：sb.is kind to do sth.。It is kind of you to say so.=You are kind to say so.18.It
20、is necessary(for sb.)to do sth.該句型與上一個同屬一個句型，如果不定式的邏該句型與上一個同屬一個句型，如果不定式的邏輯主語是由輯主語是由for引起，主句中的形容詞通常是表示引起，主句中的形容詞通常是表示重要性，緊迫性，頻繁程度，難易，安全等情況重要性，緊迫性，頻繁程度，難易，安全等情況的形容詞。的形容詞。常見的形容詞有：常見的形容詞有：important，necessary，natural easy，safe，common，normal，hard，difficult，dangerous，unusual，rare，impossible，pleasant等。等。=在在
21、中的形容詞作表語可以用從句改寫，中的形容詞作表語可以用從句改寫，如：如：It is important for her to come to the party.=It is important that she(should)come to the party.possibleIt is/was +adj.necessary+(for sb.)to do sth./clause important ones duty It+is/was+n.ones hope +clause/(for sb.)to do sth.an honour saidIt is/was p.p.known +that
22、-clause believed 形式主語形式主語It is the ability to do the job_ matters not where you come from or what you are.A.one B.that C.what D.itIt is/was+被強(qiáng)調(diào)的部分被強(qiáng)調(diào)的部分+that/who+句子其他成分句子其他成分強(qiáng)調(diào)句型強(qiáng)調(diào)句型高考真題高考真題 It was _ back home after the experiment.A.not until midnight did he go B.until midnight that he didnt go C.no
23、t until midnight that he went D.until midnight when he didnt go In which play is _ your brother appears?A.that where B.this when C.it that D.it where It was in the lab _ was taken charge of by Professor Zhang _ they did the experiment.A.where;that B.which;where C.that;where D.which;that強(qiáng)調(diào)句型強(qiáng)調(diào)句型被強(qiáng)調(diào)的部
24、被強(qiáng)調(diào)的部分是分是not until引導(dǎo)的時間引導(dǎo)的時間 狀語狀語?強(qiáng)調(diào)句型用于疑強(qiáng)調(diào)句型用于疑問句問句,被強(qiáng)調(diào)的被強(qiáng)調(diào)的部分是特殊疑問部分是特殊疑問詞或從句引導(dǎo)詞詞或從句引導(dǎo)詞?In which play is it that?It is thatIs it that?I dont know in which play it is that強(qiáng)調(diào)句型和強(qiáng)調(diào)句型和各種從句各種從句高考熱點高考熱點?The Parkers bought a new house but _ will need a lot of work before they can move in.A.they B.it C.on
25、e D.which 2.Weve been looking at houses but havent found _ we like yet.A.one B.ones C.it D.them 3.Im moving to the countryside because the air there is much fresher than _ in the city.A.ones B.one C.that D.those易誤辨析易誤辨析:it/one/thatBACthe house that the Parkers boughta housethe air1.Its years _(since
26、,before,after,that)I painted this beautiful picture.2.It will be years _(since,before,after,that)I paint this beautiful picture.3.It was years _(since,before,after,that)I painted this beautiful picture.4.Its for years _(since,before,after,that)I have painted this beautiful picture.易誤辨析易誤辨析:表示從表示從sin
27、ce since 從句謂語動作發(fā)生以后到現(xiàn)在所經(jīng)過的一從句謂語動作發(fā)生以后到現(xiàn)在所經(jīng)過的一段時間，譯為段時間，譯為“自從自從.以來已多久了以來已多久了”It is+時間段時間段+since(過去時過去時).表示從過去某一時間到表示從過去某一時間到beforebefore從句謂語動作發(fā)生所經(jīng)過從句謂語動作發(fā)生所經(jīng)過的一段時間的一段時間,譯為譯為“多長時間后才多長時間后才/就做了就做了”It+was+時間段時間段+before(過去時過去時)表示從現(xiàn)在起到表示從現(xiàn)在起到beforebefore從句謂語動作發(fā)生所經(jīng)過的一段從句謂語動作發(fā)生所經(jīng)過的一段時間時間,譯為譯為“多長時間后才會多長時間后才會/
28、就會做就會做”It+will be+時間段時間段+before(一般現(xiàn)在時一般現(xiàn)在時)_Translate the following:過了很久他才回來.2.我們很久后才會見面的.3.我離開這所學(xué)校已經(jīng)很久了.It was long before he came back.It will be long before we meet again.It is long since I left this school.It is+時間段時間段+since(過去時過去時).It+will be+時間段時間段+before(一般現(xiàn)在時一般現(xiàn)在時)It+was+時間段時間段+before(過去時過去時
29、)易誤辨析易誤辨析:Do you want to live another 100 years or more?Some experts say that scientific advances will one day enable humans to last tens of years beyond what is now seen as the natural limit of the human life span There is a great push so that people can live from 120 to 180 years,”he said.“Some ha
30、ve suggested that there is no limit and that people could live to 200 or 300 or 500 years.”However,many scientists who specialize in ageing are doubtful about it.(04全國D)The underlined“it”refers to _ A.a great push B.the idea of living beyond the present life span C.the idea of living from 200 to 300
31、 years D.the conservative estimateReading comprehensionReading comprehension1.If I can help _,I dont like working late into the night.A.so B.that C.it D.them2.As the busiest woman in Norton,she made _ her duty to look after all the other peoples affairs in that town.A.this B.that C.one D.it3.Id appr
32、eciate _ if you would like to teach me how to use the computer.A.that B.it C.this D.you4._ is our belief that improvements in health care will lead to a stronger,more prosperous economy.A.As B.That C.This D.It5.I just wonder _ that makes him so excited.5.I just wonder _ that makes him so excited.A.w
33、hy it does B.what he does A.why it does B.what he does C.how it is D.what it is C.how it is D.what it is6.Catherine bought a postcard of the place she was 6.Catherine bought a postcard of the place she was visiting,addressed _ to _ and then posted it at visiting,addressed _ to _ and then posted it a
34、t the nearby post office.the nearby post office.A.it;her B.it;herself A.it;her B.it;herself C.herself;her D.herself;herself C.herself;her D.herself;herself7.Its already 10 oclock I wonder how it _ that she 7.Its already 10 oclock I wonder how it _ that she was two hours late on such a short trip.was
35、 two hours late on such a short trip.A.came over B.came out C.came about D.came upThe Usage of“it”基本用法常見用法特殊用法三個考點三個句型三個句型三個替代詞三個it 后接時間段的句型易誤辨析強(qiáng)調(diào)句型形式主語形式賓語Summary1.Collect as many phrases and the sentence patterns including“it”as you can.2.Finish the exercises on your piece of paper.Thank youThank
36、you9、靜夜四無鄰，荒居舊業(yè)貧。2022-10-52022-10-5Wednesday,October 05,202210、雨中黃葉樹，燈下白頭人。2022-10-52022-10-52022-10-510/5/2022 3:32:24 PM11、以我獨沈久，愧君相見頻。2022-10-52022-10-52022-10-5Oct-225-Oct-2212、故人江海別，幾度隔山川。2022-10-52022-10-52022-10-5Wednesday,October 05,202213、乍見翻疑夢，相悲各問年。2022-10-52022-10-52022-10-52022-10-510/5
37、/202214、他鄉(xiāng)生白發(fā)，舊國見青山。2022年10月5日星期三2022-10-52022-10-52022-10-515、比不了得就不比，得不到的就不要。2022年10月2022-10-52022-10-52022-10-510/5/202216、行動出成果，工作出財富。2022-10-52022-10-5October 5,202217、做前，能夠環(huán)視四周；做時，你只能或者最好沿著以腳為起點的射線向前。2022-10-52022-10-52022-10-52022-10-59、沒有失敗，只有暫時停止成功！。2022-10-52022-10-5Wednesday,October 05,20
38、2210、很多事情努力了未必有結(jié)果，但是不努力卻什么改變也沒有。2022-10-52022-10-52022-10-510/5/2022 3:32:24 PM11、成功就是日復(fù)一日那一點點小小努力的積累。2022-10-52022-10-52022-10-5Oct-225-Oct-2212、世間成事，不求其絕對圓滿，留一份不足，可得無限完美。2022-10-52022-10-52022-10-5Wednesday,October 05,202213、不知香積寺，數(shù)里入云峰。2022-10-52022-10-52022-10-52022-10-510/5/202214、意志堅強(qiáng)的人能把世界放在手
39、中像泥塊一樣任意揉捏。2022年10月5日星期三2022-10-52022-10-52022-10-515、楚塞三湘接，荊門九派通。2022年10月2022-10-52022-10-52022-10-510/5/202216、少年十五二十時，步行奪得胡馬騎。2022-10-52022-10-5October 5,202217、空山新雨后，天氣晚來秋。2022-10-52022-10-52022-10-52022-10-59、楊柳散和風(fēng)，青山澹吾慮。2022-10-52022-10-5Wednesday,October 05,202210、閱讀一切好書如同和過去最杰出的人談話。2022-10-5
40、2022-10-52022-10-510/5/2022 3:32:24 PM11、越是沒有本領(lǐng)的就越加自命不凡。2022-10-52022-10-52022-10-5Oct-225-Oct-2212、越是無能的人，越喜歡挑剔別人的錯兒。2022-10-52022-10-52022-10-5Wednesday,October 05,202213、知人者智，自知者明。勝人者有力，自勝者強(qiáng)。2022-10-52022-10-52022-10-52022-10-510/5/202214、意志堅強(qiáng)的人能把世界放在手中像泥塊一樣任意揉捏。2022年10月5日星期三2022-10-52022-10-5202
41、2-10-515、最具挑戰(zhàn)性的挑戰(zhàn)莫過于提升自我。2022年10月2022-10-52022-10-52022-10-510/5/202216、業(yè)余生活要有意義，不要越軌。2022-10-52022-10-5October 5,202217、一個人即使已登上頂峰，也仍要自強(qiáng)不息。2022-10-52022-10-52022-10-52022-10-5MOMODA POWERPOINTLorem ipsum dolor sit amet,consectetur adipiscing elit.Fusce id urna blandit,eleifend nulla ac,fringilla purus.Nulla iaculis tempor felis ut cursus.感 謝 您 的 下 載 觀 看感 謝 您 的 下 載 觀 看專家告訴
高二英語課件 It的用法 人教
