Therebe句型课件.ppt

Therebe句型,Thereisapictureonthewall.Thereisabagbehindthechair.Therearemanybooksonthedesk.Therearemanypeopleinthehall.,There+is/are+某物/人+某地某地有某物或某人“有,存在”,Thereisadogintheroom.,Therearetwodogsintheroom.,Therebe句型中的be动词要和后面的主语在数上保持一致,（1）如果句子的主语是单数可数名词或不可数名词时，be动词就用is.如：Thereisatableintheroom.房间里有一张桌子。Thereisalittlewaterinthebottle.瓶子里有一点水。（2）如果句子的主语是复数名词时，be动词就用are。如：Therearesomepencilsonthechair.椅子上有一些铅笔,就近原则,（3）如果有两个或两个以上的主语时，be动词要和最靠近它的那个主语在数上保持一致。如：Thereisapenandsomebooksonthedesk.书桌上有一支钢笔和一些书。Therearesomebooksandapenonthedesk.书桌上有一些书和一支钢笔。,Thereis/are-的否定句is/are后加not,肯定句中的some变any,Thereisabeautifulfloweronthedesk.Thereisnotabeautifulfloweronthetable.Thereissomewaterinthebottle.Thereisntanywaterinthebottle.,Thereis/are-的一般疑问句is/are要提前,some变any,其他都不变,Thereisaradioonthedesk.(一般疑问句)Istherearadioonthedesk?Yes,thereis./No,thereisntTherearesomeshoesunderthebed.（一般疑问句）Arethereanyshoesunderthebed?Yes,thereare./No,therearent.,Thereis/are-的特殊疑问句,a）就Therebe后面的主语进行提问，指物用“Whats(there)”指人用“Whos(there)”其中的there在口语中经常省略。值得注意的是，无论是原句的主语是单数还是复数，提问时动词be均用单数。如：（1）TherearesomebikesintheroomWhats(there)intheroom?（2）Thereisaboyinthehouse.Whos(there)inthehouse?,b)对therebe后面的地点状语进行提问，用“Whereis/are+主语”表示，注意其答语变化。如：（1）Thereisacarunderthetree.Whereisthecar?Itsunderthetree.（2）Therearethreeapplesonthetable.Wherearethethreeapples?Theyreonthetable.,c)对therebe后面主语的数量进行提问如果主语是可数名词，无论是单数还是复数，均用“Howmany+复数名词+arethere+地点介词短语”表示；Therearethreebikesinthehouse.Howmanybikesarethereinthehouse?Thereisaboyintheroom.如果主语是不可数名词，则用“Howmuch+不可名词+isthere+地点介词短语”表示。如：Thereisalittlewaterinthebottle.Howmuchwateristhereinthebottle?,Therebe句型有特点，主语跟在be后边。单数主语用is，复数用are记心间，多个主语并列时，be随身边主语变。变否定，很简单，be后要把not添。变问句也不难，把be提到there前。肯定句中用some，否定疑问any换。,总结,特殊疑问句-对人提问用whos,对事物提问用whats，be动词一律用单数is对地点提问用where；对数量提问可数名词用howmany+名词复数+arethere；不可数名词用howmuch+不可数名词+isthere,练习：用be的适当形式填空。1.There_amaponthewall.2.There_manythingsonherdesk.3.There_twentyyuaninmypurse.4.There_abigdogand