5上Unit2therebe句型ppt.ppt

There be句型专题 There be 句型表示 “存在…”“有”，其中be动词有时态和单复数变化。 There be+主语（人或物名词）+地点 单数is 复数are 不可数的 用is 2.结构： a.There is +单数可数名词\不可数名词 There is a book on the desk . 桌子上有一本书。 There is some water in the bottle. 瓶子里有些水。 b.There are +复数名词 There are some pictures on the wall. 墙上有些图画。 There are two apples in the basket. 篮子里有两个苹果。 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 the Park. A. is B. are There is a cat under the tree. There are two dogs under the tree. There is a cat and two dogs under the tree. There are two dogs and a cat under the tree. there 是个近视眼。 There _____ a desk and fifty-five chairs in the classroom. A. are B. is There _____ fifty-five chairs and a desk in the classroom. A. are B. is 在there be 句型中 主语是单数，be动词用is； 主语是复数，be动词用are。 若句子中有几个并列主语时，be动词的形式要与离其最近的一个主语在人称和数上保持一致。 例： 1.There is a girl and two boys under the tree. 2.There are two boys and a girl under the tree. There _____ some water in the bottle. A. is B. are C. have D. be There is ______. A. a pencil B. two books C. five apples D. a water There _____ a pencil-case and many pencils in Tom’s schoolbag. A. is B. are C. have D. be There are a lot of _____ in the fridge. A. meat B. chicken C. eggs D. milk There be 句型的否定句和一般疑问句 否定句：在be 动词后加 not. 如果句中有some，一般要变成any. There are two books on the desk. There aren’t two books on the desk. There is some bread in the plate. There isn’t any bread in the plate. 一般疑问句：be动词(is,are)要提到句首。 some 变any，其他都不变 There is a mouse in the house.(变成一般疑问句） Is there a mouse in the house ? There are some flowers in the garden.(变成一般疑问句） Are there any fl