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语法专项课件
(There be句型)
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there be句型定义
there be 构成的句子称为“存在句”。此句型构成形式一般为 “there be + 某人/物 + 地点/时间”,意为:在某地有某物(或某人)。
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There is a cat under the tree.
树底下有一只猫。
There are two students in the classroom.
教室里有两个学生。
there be句型定义
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there be句型结构
肯定句:there be + 其他
否定句:there be + not + 其他
疑问句:be + there + 其他
There is a bag on the desk.
There isn’t a bag on the desk.
Is there a bag on the desk?
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there be句型结构
“What’s + 表示地点的介词短语”用there be句型来回答。
—What’s on the desk?
—There are 5 eggs on the desk.
注意:询问的时候,be动词只能用单数is, 而回答时需视情况而选用单复数。
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易错点1
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。
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易错点1
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。
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易错点2
There be句型的就近原则
There be 就近原则: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。
1.There is a girl and two boys under the tree.
2.There are two boys and a girl under the tree.
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易错点3
have/has与主语是 “所属关系”,强调的是 “拥有,占有” 。
there be表示“存在关系”,强调某地“有”某物, (某地存在)
There be与have的区别
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易错点3
I have many friends. 我有很多朋友。
There is a book on the desk. 桌子上有一本书。
(拥有)
(某地存在)
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【典例1】—What______ on the shelf?
—There are some books.
A. be B. am
C. are D. is
考查be动词。句意:—架子上有什么?—有几本书。 What be + 表示地点的介词短语提问,be动词只能用is。
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解析
【典例2】—Is there a garden in the yard?
—Yes, there is. And there ______ beautiful flowers in it.
A. is so much B. are so many
C. is so many D. are so much
考查there be句型。句意:—院子里有一个花园吗?—有,并且里边有很多漂亮的花。flowers为可数名词单数,选用are和many来限定,故答案选B。
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解析
【典例3】There ______ an eraser, two pencils and a knife in the box.