专题七专题七Therebe句型句型1.构成构成Therebe句型句型表示的是表示的是 “某处有某处有(存存在在)某人或某物某人或某物”结构：结构：Therebe(is,are,was,were)+名词名词+地点状语地点状语.Thereis/was+n.(单单)/不可数不可数n.Thereare/were+n.(复复) e.g.Therearefifty-twostudentsinourclass.(一般现在时一般现在时)Thereisapencilinmypencil-case.Thereissomewaterinthatbottleyesterday.Therewasanoldhouseneartheriverfiveyearsago.(一般过去时一般过去时)Thereweremanybigtreesinfrontofourhouselastyear.“就近原则就近原则”如果句子中有两个或两个以上的名词如果句子中有两个或两个以上的名词作主语，作主语，be动词要和动词要和最靠近最靠近它的那个它的那个主语在数上保持一致。主语在数上保持一致。e.g.Thereisanorangeandsomebananasinthebasket.Therearesomebananasandanorangeinthebasket. 2.相关句式相关句式 1.否定句否定句结构结构1:Therebe(is,are,was,were)+not+名词名词+地点状语地点状语Therearefiveapplesonthedesk.Therearent(arenot)fiveapplesonthedesk. 结构结构2:Therebe(is,are,was,were)+no+n.+地点状语地点状语Thereisanorangeinmyschoolbag.Thereisnoorangeinmyschoolbag 注意：注意：(1)Therebe+no+n.(可数名词单可数名词单数数)=Therebe+not+a/an+n.(可数可数名词单数名词单数)Thereisanappleinhisbag.Thereisnoappleinhisbag.=Thereisntanappleinhisbag. (2)Therebe(are,were)+no+n.(可可数名词复数数名词复数)=Therebe(are,were)+notany+n.(可数名词复数可数名词复数)Therearesomeorangesinthatbox.Therearenoorangesinthatbox.=Therearentanyorangesinthatbox. (3)Therebe+no+n.(不可数名词不可数名词)=Therebe+notany+n.(不可数名不可数名词词)e.g.Thereissomejuiceinthebottle.Thereisnojuiceinthebottle.=Thereisntanyjuiceinthebottle. 2.一般疑问句一般疑问句 Therebe+n.+地点状语地点状语.(Is,Are,Was,Were)there+n.+地地?Thereisabirdinthetree. Isthereabirdinthetree?Therewerefivebooksonthedeskyesterday.Weretherefivebooksonthedeskyesterday?肯定回答：肯定回答：Yes,thereis/was/are/were.否定回答：否定回答：No,thereisnt/wasntarent/werent-Isthereablackpeninyourpencilcase?-Yes,_./No,_. some和和any在在therebe结构中构中:Thereissomemoneyinherhandbag.Isthereanymoneyinherhandbag?Thereisntanymoneyinherhandbag.(some用于肯定句中，可修用于肯定句中，可修饰可数名可数名词复复数以及不可数名数以及不可数名词；any用于疑用于疑问句和否定句和否定句中句中) 3.特殊疑问句特殊疑问句(1)对主语提问对主语提问Whats+介词短语介词短语?(主语是物时主语是物时)Whos+介词短语介词短语?(主语是人时主语是人时)Thereisalittlegirlintheroom.Whoisintheroom?(there省略省略)Thereisaredappleonthetree. Therearesomebikesnearourplayground.Whatsnearourplayground?注意注意:无论原句的主语是单数还是复无论原句的主语是单数还是复数，对其提问时一般都用数，对其提问时一般都用be的的单数形式单数形式(is/was)。Thereweremanybooksinmybagyesterday. (2)对地点状语提问对地点状语提问Whereis/was+主语主语?(可数可数n.单数或不可数单数或不可数n.)Whereare/were+主语主语?(可数可数n.复数复数)Therearetwoapplesonthetable.-Wherearethetwoapples?-Theyareonthetable.Thereisalittlegirlintheroom.-Whereisthelittlegirl?-Sheisintheroom.Therewerethreecomputersintheteachersofficeyesterday.-Wherewerethethreecomputersyesterday?-Theywereintheteachersoffice.(3)对数量的提问对数量的提问1.Howmany+可数可数n.复数复数+are/werethere+介词短语介词短语?e.g.Thereisonecatinthebox.Howmanycatsarethereinthebox?Therearetwelvemonthsinayear.Howmanymonthsarethereinayear?2.Howmuch+不可数不可数n.+is/wasthere+介词状语介词状语?Thereissomemoneyinmywallet.Howmuchmoneyisthereinyourwallet?Therewasalittlewaterintheglassfivehoursago.Howmuchwaterwasthereintheglassfivehoursago?3.Therebe结构结构vs.have(实义动词实义动词)Therebe句型表示句型表示某地存在有某物某地存在有某物(人人)而而have/has/had表示表示某人拥有某物。某人拥有某物。两两者不能同时使用。者不能同时使用。e.g.Therearethreebooksonthedesk.Ihavethreebooks.=(Threebooksaremine.)Exercise1、用恰当的、用恰当的be动词填空。动词填空。1)There_fourseasonsinayear.2)There_notanytreestwoyearsago.3)There_ashoppingcentrenearourschoollastyear.Butnowthere_noone.4)InNewYork,there_alotofraininspring.5)-_thereapostofficenearyourschool?-Yes,there_.6)-Howmanybusstops_there?-There_onlyone.7)There_notanystampsontheenvelope.2.单项选择单项选择1.Therearemany_inthelibary.A.animalsB.foodC.books2.Look!There_aknifandthreepensonmydesk.A.areB.isC.arent3.-Heressomewaterforyou.-_.A.SorryB.ThankyouC.Allright4.-_arethestudents?-Intheclassroom.A.WhereB.WhenC.Who5.Here_herfamilyphoto.A.isB.areC.amD.be6.There_someteainthecup.A.hasB.haveC.isD.are7.-_arethegrapes?-Theyaretwodollarsakilo.A.HowmanyB.HowmuchC.HowcheapD.Howdear8.There_someorangejuiceinthecup.A.areB.isC.have9.There_afewtallbuildingsnearmyhome.A.isB.amC.are10.-Isthereanybreadontheplate?-No,_.A.itisB.thereisntC.itdoes11.Thatis_Americannationalflag.There_fiftystarsonit.A.a,isB.an,areC.an,is12.-Arethere_eggsinthefridge?-Yes,thereare_.A.some;anyB.any;someC.some;someD.any;any13.-_isinthehouse?-Thereisanoldwomaninthehouse.A.WhatB.WhoseC.WhoD.Which3.句型转换句型转换1.Thereisadoginthepark.(对划线对划线部分提问部分提问)_2.Therearefourstudentsinthecalssroom.(对划线部分提问对划线部分提问)_3.Therearesomeorangesonthedesk.(变为否定句变为否定句)_4.Thereare24hoursinaday.(变为变为一般疑问句并回答一般疑问句并回答)_二、不规则形容词的比较级最高级二、不规则形容词的比较级最高级