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1、It用法和There be結(jié)構(gòu) 知識(shí)要點(diǎn)一、代詞it代替前文提到過(guò)的東西或事情，用作人稱代詞。This is a new dictionary. I bought it yesterday.這是一本新詞典，我昨天買的。Tom joined the army last mouth. Do you know about it?湯姆上月入伍了，你知道這事嗎？代替指示代詞，起著this或that的作用Is this your car? No, it isnt. 這是你的汽車嗎？不是。Whats that?Its a video. 那是什么？它是一臺(tái)錄像機(jī)。Whose room is this?It i
2、s theirs.這是誰(shuí)的房間，是他們的。指明某人或某物的身分，還可指不明性別的嬰兒Whos there? Its me. (Its John) 誰(shuí)在那兒？是我。（是約翰）Go and see who it is that rings. Its Bill.去看看是誰(shuí)來(lái)的電話，是比爾。The Greens have a new baby. Its lovely.格林家有一個(gè)新生嬰兒。它很可愛(ài)。指時(shí)間，距離，自然現(xiàn)象（天氣，氣候，明暗）量度，價(jià)值等Its Sunday today. 今天是星期天。Its three months since he came here.自從他來(lái)到這里，已經(jīng)三個(gè)月了。
3、How far is it to the Great Wall .到長(zhǎng)城有多遠(yuǎn)？Its getting dark. 天快黑了。How much is the coat? Its ninety dollars.這件衣服多少錢？九十美元。二、引導(dǎo)詞it代替不定式短語(yǔ)It is up to you to decide. 這事要由你決定。It makes me happy to hear you have recovered.聽(tīng)說(shuō)你恢復(fù)了健康，這使我很高興。代替動(dòng)名詞短語(yǔ)Its no good smoking. 吸煙沒(méi)有好處。Its worthwhile working the whole night
4、 on the problem.用整夜的時(shí)間來(lái)研究那個(gè)問(wèn)題是值得的。代替主語(yǔ)從句It doesnt matter what you do. 你干什么都沒(méi)有關(guān)系。It seems that everyone has known the news.好象大家都知道這個(gè)消息。代替不定式短語(yǔ)I consider it better to be early.我認(rèn)為能夠早一些更好。We found it impossible to get there before July .我們覺(jué)得，要在七月以前到達(dá)那里是不可能的。代替動(dòng)名詞短語(yǔ)We thought it no use doing that.我們認(rèn)為做那
5、事沒(méi)有用。代替賓語(yǔ)從句The teacher makes it clear that everyone should hand in his homework on time .老師清楚地指出，每個(gè)人都應(yīng)該按時(shí)交作業(yè)。三、it在強(qiáng)調(diào)結(jié)構(gòu)中強(qiáng)調(diào)句型：It is (was) +被強(qiáng)調(diào)部分+ that (who) + 其它主語(yǔ)It is I who am to blame. 是我該受責(zé)怪。It was your uncle that (who) came yesterday.昨天來(lái)的是你叔叔。原句的謂語(yǔ)動(dòng)詞如果是現(xiàn)在或?qū)?lái)時(shí)態(tài)用It is that(who)如果原句謂語(yǔ)動(dòng)詞是過(guò)去時(shí)態(tài)，則用It wa
6、sthat(who)。在賓語(yǔ)It was a new pen that Mother gave me .母親給我的是一支新鋼筆。強(qiáng)調(diào)時(shí)間，地點(diǎn)，原因或方式時(shí)不要用when, where, how, 必須用that。地點(diǎn)It was in the classroom that I left my umbrella.我把雨傘就落在了教室里。時(shí)間It is at eleven that the train leaves.火車是在十一點(diǎn)鐘離開。方式It was just as he ordered that I acted.我正是照他吩咐的那樣做的。原因It was because he was in
7、 trouble that I tried my best to help him.正是因?yàn)樗幘忱щy我才盡力幫助他。賓補(bǔ) It was red that we painted the gate.我們把門油漆成紅的顏色。It was chairman that they elected him .他們選他擔(dān)任的是主席的職務(wù)。there be結(jié)構(gòu)肯定句 there be +主+其它 There is a map on the wall. 墻上有張地圖。否定句 there be + not +主+ There is not a map on the wall. 墻上沒(méi)有地圖。結(jié)構(gòu)一般疑問(wèn)句 be
8、+ there +主+其 Is there a map on the wall? 墻上有地圖嗎？肯定與否定回答 Yes ,there is . No, there isnt. 是的，有 不，沒(méi)有特殊疑問(wèn)句及回答 特殊疑問(wèn)詞+ be + How many maps are there on the wall?there +主+其它 墻上有多少?gòu)埖貓D？ There are two. 有兩張注1：There be 句型也可以由其它動(dòng)詞代替be，常用的詞有seem to be , happen to be ,appear to be, used to be 等詞組或用live, come, stand
9、, lie, occur, exist, flow等動(dòng)詞。There seems to be much hope of our team beating theirs.好象我們隊(duì)很有希望打敗他們隊(duì)。Only there lived an old fisherman in a village by the sea.從前有一位老漁夫住在海邊的一個(gè)村子里。注2：There be 之后如有幾個(gè)并列主語(yǔ)時(shí)，用is或用are要取決于第一個(gè)主語(yǔ)是單數(shù)還有復(fù)數(shù)，單數(shù)用is,復(fù)數(shù)則用are.There is a pen, a pencil and two books on the desk.桌上有一支鋼筆，一支
10、鉛筆和兩本書。There are two books, a pen and a pencil on the desk.桌上有兩本書，一支鋼筆和一支鉛筆?！緦ｍ?xiàng)訓(xùn)練】it的用法1、“Do you like fish?”“Yes, I like .”ABitCthatDthem2、 today?AHow is it BWhat is itCWhat is it like DHow is the weather.3、“Do you want a watch?”“ .”AYes, I want it .BYes, I want one.CNo, Ive got it.DNo, Ive got the
11、watch.4、“Whose exercise-book is that?”“ hers”AThat isBThis isCIts DIts5、 wont take long to get to Shanghai by air.AThatBHe CItDThis6、What he has done helps us a lot, ?Aisnt he Bdoesnt he Cisnt it Ddoesnt it7、We all thought no use doing that.Ait BthatCthisDthere8、I took it for granted you would come
12、to our party.Awhen BwhyCfor whatDthat9、How happy to be able to study and live together with you!Athat will be Bis itCwill it beDit will be 10、I thought it to be .AhimBheCitsDshe11、 very foolish of you to say so.AIts BItsCThats DThis12、Its not his habit for things.Aasks BaskCto askDasked13、It has bee
13、n a great honour coming to visit me.Athey Byou CsheDhe14、I found to hear what he said.Athat difficultyBit difficultyCthat difficultDit difficult15、He is fifty , but doesnt Alook at it Blook for it Clook it Dlook him16、It was who telephoned me yesterday.AhimBhisChimselfDhe17、The sentence is wrong.Ait
14、s BitCitselfDits18、 is no doubt that he will succeed in his experiment.AIt BThisCThatDThere19、It seems Johns not coming after all.AthisBthatCifDto20、 was a handbag that John gave Mary at Christmas.AIt BThisCThatDSuch21、Was the room the famous writer had ever lived in?Athat, it Bit , thatCit , whereD
15、that, which22、 is said that he has been to many places in the United States.AThis BHe CIt DThat23、What you want me to do?Ait is BthatCis thisDis it that24、Is not important who will go?AitBthatCthisD25、Why is it everyone thinks hes a thief?Abecause BasCwhenDthat26、 being Sunday, the library was close
16、d.AWhat BIt CThatDThis27、Is believed he is ill?Ait, thatBhe, thatCit, if Dhe, for28、 is known to us Mary dances best.AShe, BIt, thatCIt, she DShe, who29、“Whats this?”“ a flag.”AThis is BThatsCIts DIts30、Jack is ill. Have you heard about ?AhimBit CthisDthatThere be 結(jié)構(gòu)31、Is a typewriter in the room?Ah
17、e BthereCit Dhas32、Theres no one in the house, is ?Ait Bhe CthereDthey33、 must be something wrong.AIt BHe CThereDThey34、 there anyone around?AWasBWereCThereDHas35、 used to be a church round the corner.AHereBThereCIt DIt is 36、It is reported that is going to be a storm.Ait BthereCDthe weather37、There
18、 still a lot of work to be done before the house is ready for occupation.Aare BwereCis Dhave38、There is a girl for the bus. Ato waitBwaitingCwaitedDwait39、There a pine tree at the top of the hill.Astands Blies ClivesDhas40、 will be a good film on at the Rex next week.AThereBIt CThatDThis改錯(cuò),下列每句所給的選項(xiàng)
19、中，各有一項(xiàng)是錯(cuò)的，請(qǐng)指出并改正。 41、He is certain that the secretary will be there. A B C D42、I think that a good idea to get up early.A B C D43、It makes me feel sad that see you.A B C D44、Do you find it very dull live here? A B C D45、It is no use to cry over spilt milk. A B C D46、There it must have been a mistake
20、. A B C D47、There is going to have an English party at the weekend.A B C D48、Is there any one who waiting to see me ? A B C D49、There have a man sitting beyond that fence.A B C D50、It was a car ready for us. A B C D【答案】：1、B2、D3、B4、C5、C6、D7、A8、D9、D10、A11、A12、C13、B14、D15、C16、D17、C18、A19、B20、A21、B22、C23、D24、A25、D26、B27、A28、B29、C30、B 31、B32、C33、C34、A35、B36、B37、C38、B39、A40、A41、A Heit42、B thatit43、C thatto44、D live前加to45、C to crycrying 46、B it 去掉47、B havebe48、C who后加is 或把who去掉49、A haveis 50、A It There
It用法和There be結(jié)構(gòu)
