Unit 7 Sports and Good Health there be句型(1)课件+嵌入视频(共10张PPT)

(共10张PPT)
There be（is/are) 句型
概念
结构
用法
练习
There are three snakes on the rock.
There is one tiger on the truck.
Concept
概念
句型：there be+主语+地点状语
句型定义：表示某处存在某物或某人
There is a yak on the grassland.
Structure
结构
be动词（is /are）
There is a bird in the sky.
There are three birds in the sky.
There is + 单数可数名词+地点状语
There are + 复数可数名词+地点状语
There is some bread on the table.
There is + 不可数名词+地点状语
There is a cat under the tree.
There are two dogs under the tree.
合并：There is a cat and two dogs under the tree.
There two dogs and a cat under the tree.
there be是个近视眼。
are
在there be 句型中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。there be 句型遵循就近原则。
请看图用there be造句
There is a book on the desk .
There is some water in the bottle.
There are two apples in the basket.
There is an orange and two apples in the basket.
there be 句型变换
1)肯定句：There is a bird in the sky.
2)否定句：There is not（isn't） a bird in the sky.
There are some birds in the sky.
There are not（aren't） birds in the sky.
否定句：直接在be动词后加not.
is not=isn't are not=aren't.
如果句中有some，一般变为any
some
any
×
-- Is there an apple in the basket ？
3)一般疑问句：
-- No,there isn't .
-- Yes,there is .
-- Are there any apples in the basket ？
-- Yes,there are .
-- No,there aren't .
一般疑问句：需be动词（is ，are ）提到句首。some变any 句末加上问号。
There are four ducks in the lake.
There is a bird in the sky.
There are two oxes eating grass.
what can you see in the picture
字符延长
Thank you!