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单击此处编辑母版标题样式,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,主,-,系,-,表结构,（,S+V+P,）,主,-,系,-,表结构讲解,主语：,主语是一句话的中心，表示所说的是谁或是什么，其位置一般放在句首。,主语主要由名词、,动名词,、,代词,来充当。,book, ruler, father, sister, Jack, Beijing, China, books parents, flowers she,he, they, it,等等。,系动词,：系动词,be,一般现在时态有,am,is, are,三种形式。,（,am,和,is,的过去式为,，,are,的过去式为,。）,我,(I),用,am,你,(You),用,are,is,用于她他它（,She, He, It,）,其余单数用,is,复数用,are,was,were,表语：,表语是用来修饰,主语,的，说明主语的身份、性质、品性、特征和状态的，表语位于,系动词,之后,充当表语的有：,形容词,、名词 、介词短语 、副词 、代词 、数词 。,形容词：,They are,big.,名词：,I am a,teacher,.,介词短语：,She is,in the classroom,.,副词：,You look,well.,代词：,Its,me.,数词,My father is,forty-nine.,1.This _ an English book.,2. I _ a student.,3. He _ our English teacher.,4. They _ my good friends.,5. The girl _ a new student.,6. She _ in her bedroom.,7. We _ new students.,8. I _ a boy. My name _ Mike.,is,am,is,are,is,is,are,am,is,Exercise:,请用,be,相应的形式填空,否定形式,主系表结构的否定形式是在系动词后面加,not,构成。,肯定形式 否定形式,I am a teacher.,She is my sister.,They are students.,This is Lucy.,It is large.,缩写形式：,isnt/ arent/ am,与,not,不缩写,I am not a teacher.,She is not my sister.,They are not students.,This is not Lucy.,It is not large.,疑问式,主系表结构的疑问形式是把系动词,be,移到主语前面。如果有,some,的话，疑问式和否定式都需要把,some,改为,any,。,（因为,some,多用于肯定句，,any,多用于疑问句和否定句）,1. He is a worker,Is he a worker?,Yes he is /No he isnt,2. I am a student.,Are you a student?,Yes I am / No I am not,3. This is the students dormitory,Is this the students dormitory?,Yes it is/No it isnt,There be,句型,There is an apple on the chair.,请使用,There be-,描述下图,There is a ball in the basket.,There are two apples on the chair.,There is a pencil in the pencil-box.,There are three books on the desk.,概念,结构,There be,句型是英语中常用句型， 意思是“有,.”,，表示“人或事物的存在”或“某地有某物”。主语在,there be,之后。句尾通常有表示地点的状语。,肯定结构：,There is (are)+,主语,+,状语,否定结构：,There is (,are)+not,+,主语,+,状语,一般疑问句结构,Be+there,+,主语,+,状语？,Be,的变化,看,名词,在,there be,句型中,主语是单数，,be,动词用,is,；,主语是复数，,be,动词用,are,。,主语是不,可,数名词的用,is,Example,：,a.,There,is,+,a /an+,单,数可数,名词,There,is,+,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。,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。,看名词,There _ a girl in the classroom.,A. is B. are,There _ some bread on the plate.,A. is B. are,There _ a lot of trees in the,Park.,A. is B. are,There is a cat under the tree.,There are two dogs under the tree.,There be,就近原则,如果句中主语有两个以上的名词，,be,用单数还是用复数取决于靠近,be,的名词,There,is,a cat and two dogs under the tree.,There,are,two dogs and a cat under the tree.,there,there,是个近视眼。,Example,就近原则,There _ a desk and fifty-five,chairs in the classroom.,A. are B. is,There _ fifty-five chairs,and a desk in the classroom.,A. are B. is,There _ some water in the,bottle.,A. is B. are,C. have D. be,There is _.,A. a pencil B. two books,C. five apples D. a water,There _ a pencil-case and,many pencils in Toms schoolbag.,A. is B. are,C. have D. be,There are a lot of _ in the,fridge.,A. meat B. chicken,C. eggs D. milk,There be,句型的否,定句,否定结构：,There is (,are)+,no,(not any),+,主语,+,状语,如,果句中有,some,，要,变成,any,.,not any=no,1. There are two books on the desk.,There,arent,two books on the desk.,2. There is some bread in the plate.,There,is,not any (no),bread in the plate.,Example,：,一般疑问句：,be,动词,(,is,are,),要,提到句首,。,some,变,any,，其他都,不变,结构,:,Be+there,+,主语,+,状语？,1. There is a dog in the house.(,变成一般疑问句）,Is,there a dog in the house ?,2. There are some books on the desk,.(,变成一般疑问句）,Are,there,any,books on the,desk ?,There be,句型,的一般疑问句,Example,：,课堂练习：,1,、,There a pencil in the pencil box.,2,、,There,some flowers on the desk.,3,、,There four people in my family.,4,、,There a picture and two maps on,the wall.,5,、,A: there a cat under the tree?,B: Yes,there,is,are,are,is,Is,is,一、,用,be,动词,is / are,填空：,1. There _ a clock on the table.,A. is B. are,2. _ there a radio on your desk?,A.are B. is,3. _ there a map on the wall? Yes, there _.,A. are / is B. is / are C. is / is D. are /are,4. There _ some students in the classroom. A. are B. is,5. There _ a pencil, a book and two pens on the,table. A.is B. are,A,C,A,A,B,二、选择题：,6. There _ two apples, one orange and one banana on the table. A. is B. are,7. Are there _ pictures on the wall? No, there arent _ .,A. any / any B. some / any,C. some / some D. any/some,8. There isnt a book in his hand. There is _ book in his hand. A. no B. not,9. There is a tree _ the playground.,A. at B. near,10. - Are there _ shops near here?,- No, there are _ shops near here.,A. some, not B. some, any,C. any, not D. any, no,B,A,A,B,D,There are three pens on the table.,There are not three pens on the table.,Are there three pens on the table?,Yes,there are.No,there arent.,There are some apples on the tree.,There are not any apples on the tree.,Are there any apples on the tree?,Yes,there are.No,there arent.,There is an eraser in the pencil-box.,There is not an eraser in the pencil-box.,Is There an eraser in the pencil-box?,Yes,there is.No,there isnt.,变否定句和疑问句，并做回答。,翻译,在桌子上有,3,支钢笔。,There are three pens on the table.,在树上有一些苹果。,There are some apples on the tree,.,在椅子上有一只兔子。,There is a rabbit on the chair,.,在铅笔盒里有一块橡皮。,There is an eraser in the pencil-box.,Homework,教室里有很多桌子和凳子。,There are many desks and chairs in the classroom.,桌子上有,很多书。,There are a lot of,books on the shelf.,椅子下有个足球。,There is a football under the chair.,卧室里有一张床两个桌子。,There are two desks and a bed in the bedroom.,There is a bed and two desks in the bedroom.,房子附近有三棵树。,There are three trees near the house.,语法大练兵,1. There is a mouse in the room.,(,改写为一般疑问句，并作肯定否定回答,),Is there a mouse in the room?,Yes, there is. / No, there is not.,2. There is a fish in the bowl. (,改写成否定句,),There is not a fish in the bowl.,3. There are some dolphins in the ocean.,(,改写为一般疑问句,),Are there any dolphins in the ocean?,4. There are some books in his bag. (,改写为否定句,),There are not any books in his bag.,语法大练兵,Thanks for your watching!,谢谢观看！,
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