人教PEP版六年级下册《英语》语法There be句型ppt课件(共17张PPT).pptx

1、THERE BE句型Dacy老师THERE BE 句型的用法句型的用法 表示某个地方存在某物或某人，Be动词的单复数必须依主语的变化而变化。(单数is 复数are)eg：There is a table in the room.房间里有一张桌子。There are some birds on the tree.树上有很多鸟。一、一、THERE BE 句型的结构句型的结构 1.常见句型结构常见句型结构（一）There is+单数可数+地点状语 eg：There is a ruler on the desk.书桌上有一把尺。（二）There are+复数主语+地点状语 eg：There are f

2、our apples on the tree.树上有四个苹果。There are some flowers in the park.公园里有许多花。（三）there is+不可数名词+地点状语（即使有some 也是 单数）eg：There is some water in the bottle.瓶子里有一些水。（水是不可数名词）2.There be选择就近原则：选择就近原则：There be句型的就近原则是句型的就近原则是There be句型中语法项目的重点考点句型中语法项目的重点考点。There be句型中be动词的单复数形式由最挨近的一项的单复数决定。如：There is a pen,tw

3、o books and many pencils on the desk.(在本句中尽管有钢笔、书和铅笔，但是由于离在本句中尽管有钢笔、书和铅笔，但是由于离be动词最近的一项是单数动词最近的一项是单数a pen，因此，因此，be动词用单数动词用单数is。)二、二、THERE BE 句型的疑问句及回答句型的疑问句及回答（一）（一）There be 句型的疑问句型的疑问 1.在“There is/are.”的疑问句中,要把Be动词放在there之前,并将句号变问号。难点难点:句中出现的句中出现的some要改成要改成any。2.肯定回答为：Yes,there is/are.3.否定回答为:No,th

4、ere isnt/arent.eg:可数名词单数可数名词单数1.肯定句There is an apple on the tree.疑问句 Is there an apple on the tree?肯定回答:Yes,there is.否定回答:No,there isnt.可数名词复数可数名词复数2.肯定句There are five pens on the desk.疑问句Are there five pens on the desk?肯定回答:Yes,there are.否定回答 No,there arent.不可数名词的时候不可数名词的时候 3.肯定句 There is some wate

5、r in the cup.（水是不可数名词）否定句 Is there any water in the cup?肯定回答:Yes,there is.否定回答:No,there isnt.（二）There be 句型的特殊疑问句：There be句型的特殊疑问句形式有以下三种变化：对主语提问对主语提问：当主语是人人时，用Whos+介词短语介词短语?；当主语是物物时，用Whats+介词短语介词短语?。（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)。）对地点状语提问对地点状语提问：提问地点用Where is/are+主语主语?“对数量提问对数量

6、提问：一般有两种句型结构：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？eg:How many people are there in the picture?How much water is there in the bottle?三、三、THERE BE 句型的否定形式句型的否定形式 There be 句型的否定：句型的否定：否定形式只要在be动词后面加not即可，is not=isnt are not=arent 但要注意的是句中如果出现但要注意的是句中如果出现some则改成则改

7、成any.1.There is a knife in the kitchen.否定:There is not a knife in the kitchen.2.There are five apples on the tree.否定:There are not five apples on the tree.3.There is some water in the bottle.否定:There is not any water in the bottle.4.There are some birds singing in the tree.否定:There are not any birds

8、 singing in the tree.四、专题练习四、专题练习 一、选择题 1、There a meeting tonight.A will be B had be C is going be D was 2、There a knock at the door just now.A will be B has been C were D was 3、Therea pen and two books on the desk now.A are B be C is D wasADC 4、There is _ on the floor Acat Bwater Cboxes Dfootball 5

9、、There are _ on the floor Acat Bwater Cboxes DfootballBC 二、句型转换：、（将句子转换成否定句）There is a bike behind the tree.There isnt a bike behind the tree.2、（将句子转换成否定句）There are some books on the desk.There arent any bikes behind the tree.3、（将句子转换成一般疑问句）There is some water on Mars.Is there any water on Mars?三、句子

10、画线部分提问、There are many things over there.Whats over there?2、There is a little girl in the room.Who is in the room?3、There are four children on the playground.Where are the four children?4、There are three women in the picture.How many women are there in the picture?5、There is some water in the bottle.

11、How much water is there in the bottle?四、用There be 的正确形式填空。1._seven days in a week.2.Once upon a time,_a giant in the castle.3._a cartoon on TV last night.4._a school sports next Monday.5._20 boys and 28girls in my class.There arethere wasThere wasThere will beThere are 6._any water in the fridge.7._much cheese in the big pizza.8._a lot of sheep on the farm.9._a cap,a book and two magazines on the sofa.10._no swimming pool in my school last year.There isntThere isThere areThere isThere wasTHANK YOUDacy老师