There_be句型学习教程.pptx

第1页/共14页概念概念结构结构用法用法There be 句型表示“存在”“有”，其中be动词有时态和单复数变化。There beThere be+主语（人或物主语（人或物名词名词）+地点地点.第2页/共14页看名词看名词单数is复数are不可数的用is（1）如果句子的主语是单数如果句子的主语是单数可数名词或不可数名词时，可数名词或不可数名词时，be动词就用动词就用is.（2）如果句子的主语是复数）如果句子的主语是复数名词时，名词时，be动词就用动词就用are。第3页/共14页看名词看名词There _ a doll in the toy box.A.is B.are There _ some bread on the plate.A.is B.are There _ a lot of green trees in thePark.A.is B.are 第4页/共14页There is a cat and two dogs under the tree.There are two dogs and a cat under the tree.第5页/共14页there 是个近视眼。就近原则只要看到be动词后面的词是复数名词，就用are，否则就用is。当然还要注意时态哦！第6页/共14页There _ a desk and fifty-five chairs in the classroom.A.are B.is 第7页/共14页There _ fifty-five chairs and a desk in the classroom.A.are B.is 第8页/共14页There _ some water in thebottle.A.is B.are C.have D.be 第9页/共14页There _ a pencil-case andmany pencils in Toms schoolbag.A.is B.are C.have D.be 第10页/共14页wThere is a radio on the desk.There be-的一般疑问句 Is there a radio on the desk?Yes,there is./No,there isnt.wThere are some shoes under the bed.Are there any shoes under the bed?Yes,there are./No,there arent.w规则：is/are要提前,some 变any,其他都不变第11页/共14页There be有特点，主语放在be后面，单数主语用is，复数主语要用are。变否定很简单，be后要把not添。变疑问也不难，把be提到there前。否定疑问any换，就近原则多多练。There be 口诀第12页/共14页第13页/共14页谢谢您的观看！第14页/共14页