《therebe句型》ppt课件.ppt

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1、,There be 句型,There be结构概述There be 结构主要用以表达某处(某时)有某人(某物),其基本句型为There be+某物或某人+某地或某时,其中there 是引导词,没有词义;be是谓语动词;某人或某物是句子的主语;某地或某时作句子的状语,多是介词短语。如:There is a football under the chair.椅子下面有一个足球,There be结构中的动词be的确定1.there be 结构中的谓语动词be在人称和数上应与其后的主语保持一致。主语是不可数名词或单数可数名词时用is,是复数时用are。如:There is a flower in th

2、e bottle.瓶里有一朵花。There is some money in the purse.钱包里有些钱。,2.若句子中有几个并列的主语时,be的形式要与离其最近的一个主语在人称和数上保持一致。如:There is a boy,a girl and two women in the house.房子里有一个男孩,一个女孩和两个妇女。There are ten students and a teacher in the office.办公室里有十个学生和一个教师。,区别,there be：表示某地有某物，指没有生命的物体有。例如：There are many books in the sc

3、hoolbag.have/has:表示有生命的人或者动物有。例如：I have many books.,There be 结构的句型转换否定句there be的否定式通常在be后加not构成(在口语中be时常与not缩写在一起)。如果句中有some,一般要变成any。如:There are some children in the picture.There arent any children in the picture.,一般疑问句及其答语把be提到there前,首字母大写,句末用问号即可。其肯定答语是Yes,there is/are;否定答语为No,there isnt/arent。如

4、:Are there two cats in the tree?Yes,there are.(No,there arent.),做 一 做,1.教室里有很多桌子和凳子。There many desks and chairs in the classroom.2.冰箱有很多水果。There many fruits in the fridge.3.小猫有一身干净而洁白的毛。The cat clean and white hair.,练一练,树上有两个风筝和一只鸟。1.There two kites and a bird in the tree.2.There a bird and two kites in the tree.,