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【素材】Unit 7 Lesson 42 文本 there be句型用法及考点(冀教).doc

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    • 名师总结:there be句型用法及考点一:there be 句型基本认识1、 定义:There be句型表示某处存在某物或某人2、结构:(1) There is +单数可数名词/不可数名词+ 地点状语. (2) There are +复数名词+地点状语.注意事项:  there是引导词,在句中不充当任何成分,翻译时也不必译出句子的主语是某人或某物,谓语动词be要与主语(某人或某物)的数保持一致当主语是两个或两个以上的名词时,谓语动词要与跟它最近的那个名词一致如: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.  我们教室里有一位老师和许多学生     ③ There are two boys and a girl under the tree. 树下有两个男孩,一个女孩二: there be 句型的常考点考点一:各种句型转化1:变成否定There be句型的否定式的构成和含有be动词的其它句型一样,在be后加上not或no即可。

      注意not和no的不同: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句型的一般疑问句变化是把be动词调整到句首,再在句尾加上问号即可但同时要注意:当肯定句中有some时,要将其改为any(否定变化也一样)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:当主语是人的时候,则用who 引导,当主语是物的时候,则用what 引导。

      注意:无论原句的主语是单数还是复数,对之提问时一般都用be的单数形式(回答时却要根据实际情况来决定)如: There are many things over there. →What's over there? There is a little girl in the room.→ Who is in the room? 对地点状语提问:则用where 引导如:There is a computer on the desk. → Where is the computer? There are four children on the playground. →Where are the four children? 对数量提问:般有两种句型结构: How many+复数名词+are there+介词短语? How much+不可数名词+is there+介词短语?考点二:there be 句型的时态be可以有现在时(there is/are)、过去时(there was/were)、将来时(there is/are going to be或there will be)和完成时(there have/has been);还可用there must be ,there can’t be, there used to be等。

      如:---There ______ a concert this evening.---Yeah. Exciting news! A. are going to be    B. is going to be    C. is going to have    D. will have考点三:there be 句型反意疑问句的构成:be (not) there? 如:There is some milk in the bottle, ____ ? A.isn't there     B.aren't there    C.isn't it    D.are there 考点四:there be 句型的主谓一致:There be 结构中的be动词要和后面所跟名词保持一致,遵循就近原则如:1.There ___ any rice in the bowl.       A. are      B. is      C. isn’t     D. aren’t 2.There ___ many apples on the tree last year.      A. have been    B. were      C. are      D. is   考点五:there be 句型用的其他动词:there be 句型中有时不用动词be ,而用come , live ,stand , lie, seem to be , happen to be ,等。

      如:There ____ a knife and a fork on the table. (2007黄冈)A. seems to be      B.  seem to be    C. is seeming to be  D. are剖析:根据就近原则,首先排除B、D,而 there be 句型中有时不用动词be ,而用come , live ,stand , lie, seem to be等,所以答案应从A、C中选感官动词一般不用进行时,故C也不正确注意事项:there be 句型与have句型的区别(1) There be 句型和have都表示“有”的含义区别如下:There be表示“某处存在某物或某人”;have表示“某人拥有某物/某人”,它表示所有、拥有关系 如: He has two sons.   他有两个儿子There are two men in the office.    办公室里有两个男人2)当have表示“包括”、“存在”的含义时,There be 句型与其可互换如: A week has seven days. =There are seven days in a week.  一个星期有七天。

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