初中英语人教版七年级下册there be 句型.ppt

1、there be 句型,there be,定义,结构,there be与have的区别,口诀,常考考点,therebe句型表示某处存在某物或某人,译为“.有.”。,there be 的定义,There is a cat under the tree.,树下有一只猫。,a/an+ 可数名词单数+地点.,1.There is,不可数名词+地点.,There be 的结构,There is a bird in the tree.,There is some water in the glass.,There is an apple on the chair.,There are three bird

2、s in the tree.,2.There are +可数名词复数+地点.,There are some apples on the chair.,There be 常考考点,否定句,考点一：There be 句型的否定句和一般疑问句。,There are some books on the bed.,There arent any books on the bed.,在be动词后加not,有some要变为any,There is a radio on the desk.,2. 一般疑问句,Is there a radio on the desk ? Yes, there is. / No,

3、 there isnt.,There are some shoes under the bed.,Are there any shoes under the bed? Yes, there are. / No, there arent.,规则:be动词提前，有some要变为any.,注意：肯定和否定回答的句型.,There be 常考考点,考点二：therebe句型的时态。,现在完成时therehave/hasbeen等。,there be,一般现在时thereis/are,一般过去时therewas/were,一般将来时thereis/aregoingtobe 或therewillbe,Th

4、ere_aconcertthisevening. -Yeah.Excitingnews! A.aregoingtobeB.isgoingtobe C.isgoingtohaveD.willhave,B,练一练,记住：句中表示“有”， 出现there，后面不管什么时态都不会出现have。,There be 常考考点,考点三：therebe句型的主谓一致 Therebe结构中的be动词要和后面所跟名词的数保持一致,并且遵循就近原则。,只看离be动词近的，不看离be动词远的。,2.There _ and a desk in the classroom. A. are B. is,1.There _

5、and fifty-five chairs in the classroom. A. are B. is,练一练,B,A,记住：there be是个近视眼， 只看近，不看远。,a desk,fifty-five chairs,There be 与 have 的区别,There be 和have(has)都表示“有”的含义。,There be 表示“某处存在某物或某人”此时不强调物归谁有。 eg：There is a box on the desk.桌子上有一个盒子。,have(has) 表示“某人拥有某物(某人）”，此时强调所有、拥有关系。 eg：We have two basketballs。我们有两个篮球。（强调篮球为我们拥有）,There be有特点，主语放在be后面。 单数主语用is