It用法和There be結(jié)構(gòu)

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 is 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。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.自從他來到這里，已經(jīng)三個(gè)月了。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.聽說你恢復(fù)了健康，這使我很高興。代替動(dòng)名詞短語(yǔ) Its no good smoking.   吸煙沒有好處。Its worthwhile working the whole night on the problem.用整夜的時(shí)間來研究那個(gè)問題是值得的。代替主語(yǔ)從句 It doesnt matter what you do. 你干什么都沒有關(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)為做那事沒有用。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.昨天來的是你叔叔。 原句的謂語(yǔ)動(dòng)詞如果是現(xiàn)在或?qū)頃r(shí)態(tài)用It is that(who)如果原句謂語(yǔ)動(dòng)詞是過去時(shí)態(tài)，則用It wasthat(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 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. 墻上沒有地圖。結(jié)構(gòu) 一般疑問句 be + 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，沒有 特殊疑問句及回答   特殊疑問詞+ 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, 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。【專項(xiàng)訓(xùn)練】it的用法1、“Do you like fish?”“Yes, I like         .” A×   Bit  Cthat   Dthem 2、         today? AHow is it     BWhat is it CWhat 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 watch. 4、“Whose exercise-book is that?” “        hers” AThat is   BThis is  CIts    DIts 5、      wont take long to get to Shanghai by air. AThat    BHe    CIt   DThis 6、What he has done helps us a lot,           ? Aisnt he    Bdoesnt he  Cisnt it   Ddoesnt it 7、We all thought       no use doing that. Ait     Bthat   Cthis   Dthere 8、I took it for granted        you would come to our party. Awhen    Bwhy   Cfor what  Dthat 9、How happy      to be able to study and live together with you! Athat will be   Bis it   Cwill it be  Dit will be  10、I thought it to be         . Ahim    Bhe   Cits   Dshe11、        very foolish of you to say so. AIts     BIts   CThats   DThis  12、Its not his habit      for things. Aasks    Bask   Cto ask  Dasked 13、It has been a great honour       coming to visit me. Athey    Byou    Cshe   Dhe 14、I found        to hear what he said. Athat difficulty      Bit difficulty  Cthat difficult      Dit difficult 15、He is fifty , but doesnt           Alook at it        Blook for it  Clook it        Dlook him 16、It was       who telephoned me yesterday. Ahim   Bhis    Chimself   Dhe 17、The sentence      is wrong. Aits    Bit    Citself   Dits 18、           is no doubt that he will succeed in his experiment. AIt    BThis   CThat   DThere 19、It seems        Johns not coming after all. Athis   Bthat   Cif   Dto 20、      was a handbag that John gave Mary at Christmas. AIt    BThis   CThat   DSuch 21、Was      the room       the famous writer had ever lived in? Athat, it   Bit , that  Cit , where  Dthat, which 22、        is said that he has been to many places in the United States. AThis   BHe    CIt    DThat 23、What      you want me to do? Ait is    Bthat   Cis this  Dis it that24、Is      not important who will go? Ait   Bthat   Cthis   D× 25、Why is it       everyone thinks hes a thief? Abecause   Bas   Cwhen  Dthat26、          being Sunday, the library was closed. AWhat   BIt    CThat   DThis27、Is         believed       he is ill? Ait, that  Bhe, that  Cit, if   Dhe, for28、         is known to us       Mary dances best. AShe, ×  BIt, that  CIt, she   DShe, who29、“Whats this?”“       a flag.” AThis is   BThats  CIts    DIts30、Jack is ill. Have you heard about         ? Ahim   Bit    Cthis   DthatThere be 結(jié)構(gòu)31、Is      a typewriter in the room? Ahe    Bthere   Cit    Dhas32、Theres no one in the house, is           ? Ait    Bhe     Cthere  Dthey33、         must be something wrong. AIt    BHe     CThere  DThey34、           there anyone around? AWas   BWere   CThere  DHas35、        used to be a church round the corner. AHere  BThere   CIt    DIt is 36、It is reported that        is going to be a storm. Ait    Bthere   C×   Dthe weather37、There        still a lot of work to be done before the house is ready for occupation. Aare    Bwere   Cis    Dhave38、There is a girl        for the bus.  Ato wait  Bwaiting   Cwaited  Dwait39、There         a pine tree at the top of the hill. Astands   Blies     Clives   Dhas40、       will be a good film on at the Rex next week. AThere  BIt     CThat   DThis改錯(cuò),下列每句所給的選項(xiàng)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.    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、B  2、D  3、B  4、C  5、C  6、D  7、A  8、D  9、D  10、A  11、A  12、C 13、B  14、D  15、C  16、D  17、C  18、A19、B  20、A  21、B  22、C  23、D  24、A25、D  26、B  27、A  28、B  29、C  30、B 31、B  32、C  33、C  34、A  35、B  36、B37、C  38、B  39、A  40、A  41、A  Heit   42、B  thatit   43、C  thatto44、D  live前加to  45、C  to crycrying  46、B  it 去掉47、B  havebe  48、C  who后加is 或把who去掉49、A  haveis   50、A  It There