初中英语-人教版七年级下册UNIT-8-语法：There-be句型课件.pptx--（课件中不含音视频）

1、There beThere be句型句型1There be句型1.定义：There be句型表示某处存在某物或某人句型表示某处存在某物或某人。2.结构：(1)There is+单数可数名词单数可数名词+地点状语地点状语.(2)There is+不可数名词不可数名词+地点状语地点状语（即使有（即使有some 也是也是 单数）单数）(3)There are+复数名词复数名词+地点状语地点状语.注意：there是引导词，在句中不充当任何成分，翻译时是引导词，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，谓语动词也不必译出。句子的主语是某人或某物，谓语动词be要要与主语（某人或某物）

2、的数保持一致。与主语（某人或某物）的数保持一致。2There be句型考点1.There be句型遵循就近原则句型遵循就近原则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。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。There is a bird in the tree.There is a teacher and many students in our classroom.There are two boys and a girl under the tree.3There be句型考点2.There be句型转换句型转换（1)否定句：否定句：

3、There be句型的否定式的构成和含有句型的否定式的构成和含有be动词的其它句型一样，在动词的其它句型一样，在be后加上后加上not或或no即即可。注意：可。注意：not和和no的不同：的不同：not是副词，是副词，no为形容词，为形容词，not a/an/any+n.相当于相当于no+n.There are some pictures on the wall.There arent any pictures on the wall.=There are no pictures on the wall.There is a bike behind the tree.There isnt a

4、bike behind the tree.=There is no bike behind the tree.4There be句型考点2.There be句型转换句型转换（2)一般疑问句句：一般疑问句句：变成一般疑问句变成一般疑问句There be句型的一般疑问句变化是把句型的一般疑问句变化是把be动词调整到句首，再在句尾加动词调整到句首，再在句尾加上问号即可。上问号即可。注意：当肯定句中有注意：当肯定句中有some时，要将其改为时，要将其改为any（否定变化也一样）（否定变化也一样）There is some water on Mars.Is there any water on Mars

5、?Yes,there is./No,there isnt.There are some fish in the water.Are there any fish in the water?Yes,there are./No,there arent.5There be句型考点2.There be句型转换句型转换（3)特殊疑问特殊疑问句：特殊疑问词句：特殊疑问词+一般疑问句？一般疑问句？对主语提问：当主语是人的时候，用对主语提问：当主语是人的时候，用who 引导，当主语是物的时候，则用引导，当主语是物的时候，则用what引导。引导。There are many things over there.

6、Whats over there?There is a little girl in theroom.Who is in the room?对对地点状语提问：则用地点状语提问：则用where 引导。引导。There is a computer on the desk.Where is the computer?There are four children on the playground.Where are the four children?6There be句型考点2.There be句型转换句型转换（3)特殊疑问特殊疑问句：特殊疑问词句：特殊疑问词+一般疑问句？一般疑问句？对数量提问

7、：对数量提问：How many+复数名词复数名词+are there+介词短语？介词短语？How much+不可数名词不可数名词+is there+介词短语？介词短语？There are five people in the picture.How many people are there in the picture?There is some water in the bottle.How much water is there in the bottle?7There be句型考点3.There be句型的时态句型的时态be可以随时态变化，所以可以随时态变化，所以there be句型的

8、时态有句型的时态有现在时现在时:There is/are过去时过去时:There was/were或或There used to be将来时将来时:There is/are going to be或或There will be完成时完成时:There have/has been还可表推测还可表推测:There must be或或there cant be等等8There be句型考点4.There be 句型反意疑问句的构成：句型反意疑问句的构成：“前肯，前肯，be not there?”或者或者“前否，前否，be there?There is some milk in the bottle,

9、isnt there?There arent any books in the bag,are there?5.There be 句型的主谓一致：句型的主谓一致：There be 结构中的结构中的be动词要和后面所跟名词保持一致动词要和后面所跟名词保持一致,遵循就近原则。遵循就近原则。There isnt any rice in the bowl.There were many apples on the tree last year.9There be句型考点6.There be 句型用的其他动词：句型用的其他动词：There be 句型中有时不用动词句型中有时不用动词be，而用，而用com

10、e,live,stand,lie,seem to be,happen to be.There used to be a cinema here before the war.战前这里有一个电影院。There happened to be a man walking by.恰好有一个人从旁经过。There seems/appears something the matter with her.她好像是出了什么事似的。There existed different opinions on this issue.对这个问题曾有不同看法。There remained just twenty-eight

11、 pounds.只剩28英镑了。10There be句型考点7.There be后接表示物的主语时，后面常接不定式作定语，不定式常用主动形式表示后接表示物的主语时，后面常接不定式作定语，不定式常用主动形式表示被动意义。被动意义。There is a lot of work to do.有许多工作要做（工作被做）8.There be后接表示人或动物的主语时，后面长接后接表示人或动物的主语时，后面长接V-ing形式作定语。形式作定语。There are some children playing downstairs.几个孩子在楼下玩。11There be句型和have/has的区别There b

12、e表示某地有某人表示某地有某人/物，强调客观存在物，强调客观存在There is an apple on the table.There are two men in the office.have/has表示某人拥有某物，表示某人拥有某物，强调主观拥有强调主观拥有I have an apple.He has two sons.12活学活用1.There a meeting tonight.A will be B had be C is going be D was2.There a knock at the door just now.A will be B has been C were

13、D was3.There is _ on the floorAcat Bwater Cboxes Dfootball4.There are _ on the floorAcat Bboxes Cwater Dfootball13活学活用1.There a meeting tonight.A will be B had be C is going be D was2.There a knock at the door just now.A will be B has been C were D was3.There is _ on the floorAcat Bwater Cboxes Dfoo

14、tball4.There are _ on the floorAcat Bboxes Cwater Dfootball14活学活用1.There is a river behind the house.(将句子改为否定句）将句子改为否定句）2.There is some water on Mars.(将句子改为一般疑问句）将句子改为一般疑问句）3.There are three women in the photo.（对划线部分提问（对划线部分提问）4.There is some water in the bottle.（对划线部分提问）（对划线部分提问）15活学活用1.There is a

15、river behind the house.(将句子改为否定句）将句子改为否定句）There isnt a river behind the house.2.There is some water on Mars.(将句子改为一般疑问句）将句子改为一般疑问句）Is there some water on Mars.3.There are three women in the photo.（对划线部分提问（对划线部分提问）How many women are there in the photo?4.There is some water in the bottle.（对划线部分提问）（对划线部分提问）How much water are there in the bottle?16