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There_be_句型知识点详解

发布时间:2014-01-06 13:35:13  

七年级英语微课

There be 句型知识点详解
作者:杨子 单位:宁海外国语学校 使用对象:初一学生 所属学科:英语 七年级上册 there be句型

第七单元

语法

一.There be 句型的基本结构
?

? ?

?
? ?

?

1.There is an apple on the table. 桌子上有一个苹果。 2.There are three apples on the table. 桌子上有三个苹果。 3.There is a boy in the classroom. 教室里有一个男孩。 4.There are many boys in the classroom. 教室里有许多男孩。

There+be+ 名词+ 地点状语
有 某人、某物 某地

二.There be 句型中的be动词的选择
? ? ? ? ? ?

1.如果句子的主语是单数,be动词就用is; Eg:There is a dog in the room. 2.如果句子的主语是复数,be动词就用are; Eg:There are two dogs in the room. 3.如果句子的主语是不可数名词,be动词还用is; Eg:There is some water in the cup.

注意:There be 句型中的就近原则
?

?

? ?

?

如果有两个或两个以上的主语时,be动词要和 最靠近它的那个主语在数上保持一致。 Eg: There is an apple and two pears on the table. 桌子上有一个苹果和两个梨。 Eg: There are two pears and one apple on the table. 桌子上有两个梨和一个苹果。

三.There be 句型的否定句
?
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1.There be 句型的否定句:
① There is a beautiful flower on the desk. There is not a beautiful flower on the desk. ② There is some water in the bottle. There is not any water in the bottle.

be后加not, some变any。

四.There be 句型的疑问句
? ?

?

1.There be 句型中的一般疑问句: Eg:There is a radio on the desk. → Is there a radio on the desk ? →Yes, there is. / No, there isn’t. Eg:There are some shoes under the bed. →Are there any shoes under the bed? →Yes, there are. / No, there aren’t.

四.There be 句型的疑问句
2.There be 句型中的特殊疑问句: ①对be动词后面的主语进行提问: ? 指物用“What’s +介词短语 ” ? 指人用“Who’s +介词短语 ” Eg: There are some bikes in the room →What’s in the room? There is a boy in the house. →Who’s in the house? ②对there be后面的地点状语进行提问: ? 用“Where is / are+主语”表示。 Eg: a.There is a car under the tree. Where is the car? b.There are three apples on the table. Where are the three apples?

③对数量提问,分为两种情况: a.How many +可数名词复数形式 + are there +介 词短语? Eg:There are four kids in the room.(对划线部分提 问) How many kids are there in the room ? b.How much +不可数名词+ is there +介词短语? Eg:There is some milk in the bottle.(对划线部分提 问) How much milk is there in the bottle ?

总结
There be句型有特点,主语跟在be后 边。 ? 单数主语用is,复数用are记心间, ? 多个主语并列时,be随身边主语变。 ? 变否定,很简单,be后要把n

ot添。 ? 变问句也不难,把be提到there前。 ? 肯定句中用 some,否定疑问any 换。
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