人教版初中英语英语语法专项温习之there be句型备考点.docx

人教版初中英语英语语法专项温****之there be句型备考点
No. 1there be 句型基本熟悉
1.定义：There be句型示意某处存在某物或或人。
2.构造：
(1) There is +单数可数名词/不可数名词+ 地方状语
(2) There are +单数名词+地方状语
留心事项：there是 指导 向导词，在句中不充任任何成分，翻译时也不必译出。句子得主语是或人或某物，谓语动词be要与主语（或人或某物）得数坚持一致。当主语是两个或两个以上得名词时，谓语动词要与跟它比来得哪个名词一致。如：
① There is a bird in the tree.   树上有一只鸟。
② There is a teacher and many students in our classroom.  我们教室里有一位先生和许多学生。
③ There are two boys and a girl under the tree. 树下有两个男孩，一个女孩。
No.2 there be 句型得常考点
考点一：各种句型转化
1.变成否认
There be句型得否认式得组成和含有be动词得其它句型一样，在be后加上not或no便可。留心not和no得不同：not是副词，no为形容词，not a/an/any + n. 相当于no+ n.。例如： 
There are some pictures on the wall. →There aren't any pictures on the wall. =There are no pictures on the wall. 
There is a bike behind the tree. → There isn't a bike behind the tree. =There is no bike behind the tree.
2.变成一般疑问句
There be句型得一般疑问句改变是把be动词调整到句首，再在句尾加上问号便可。但同时要留心：当一定句中有some时，要将其改成any（否认改变也一样）。
There is some water on Mars. → Is there any water on Mars?
There are some fish in the water. →Are there any fish in the water?
3.特殊疑问句
对主语提问：当主语是人得时刻，则用who 指导 向导，当主语是物得时刻，则用what 指导 向导。留心：不管原句得主语是单数仍是单数，对之提问时一般都用be得单数形式(回答时却要凭据实际情形来决议)。如： 
There are many things over there. →What's over there?
There is a little girl in the room.→Who is in the room? 
对地方状语提问：则用where 指导 向导。如：
There is a computer on the desk. → Where is the computer?
There are