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1、专题七There be 句型,1.构成,There be 句型表示的是“某处有(存在)某人或某物”结构：There be(is,are,was,were)+名词+地点状语.There is/was+n.(单)/不可数n.There are/were+n.(复),e.g.There are fifty-two students in our class.(一般现在时)There is a pencil in my pencil-case.There is some water in that bottle yesterday.There was an old house near the riv
2、er five years ago.(一般过去时)There were many big trees in front of our house last year.,“就近原则”如果句子中有两个或两个以上的名词作主语，be动词要和最靠近它的那个主语在数上保持一致。e.g.There is an orange and some bananas in the basket.There are some bananas and an orange in the basket.,2.相关句式,1.否定句 结构1:There be(is,are,was,were)+not+名词+地点状语 There
3、are five apples on the desk.There arent(are not)five apples on the desk.,结构2:There be(is,are,was,were)+no+n.+地点状语 There is an orange in my schoolbag.There is no orange in my schoolbag,注意：(1)There be+no+n.(可数名词单 数)=There be+not+a/an+n.(可数名词单数)There is an apple in his bag.There is no apple in his bag.
4、=There isnt an apple in his bag.,(2)There be(are,were)+no+n.(可 数名词复数)=There be(are,were)+not any+n.(可数名词复数)There are some oranges in that box.There are no oranges in that box.=There arent any oranges in that box.,(3)There be+no+n.(不可数名词)=There be+not any+n.(不可数名词)e.g.There is some juice in the bottl
5、e.There is no juice in the bottle.=There isnt any juice in the bottle.,2.一般疑问句 There be+n.+地点状语.(Is,Are,Was,Were)there+n.+地?There is a bird in the tree.Is there a bird in the tree?There were five books on the desk yesterday.Were there five books on the desk yesterday?,肯定回答：Yes,there is/was/are/were.
6、否定回答：No,there isnt/wasnt arent/werent-Is there a black pen in your pencilcase?-Yes,_./No,_.,some 和 any 在there be结构中:There is some money in her handbag.Is there any money in her handbag?There isnt any money in her handbag.(some 用于肯定句中，可修饰可数名词复数以及不可数名词；any 用于疑问句和否定句中),3.特殊疑问句(1)对主语提问 Whats+介词短语?(主语是物时
7、)Whos+介词短语?(主语是人时)There is a little girl in the room.Who is in the room?(there省略)There is a red apple on the tree.,There are some bikes near our playground.Whats near our playground?注意:无论原句的主语是单数还是复 数，对其提问时一般都用be的 单数形式(is/was)。There were many books in my bag yesterday.,(2)对地点状语提问 Where is/was+主语?(可数
8、n.单数或不可数n.)Where are/were+主语?(可数n.复数)There are two apples on the table.-Where are the two apples?-They are on the table.,There is a little girl in the room.-Where is the little girl?-She is in the room.There were three computers in the teachers office yesterday.-Where were the three computers yester
9、day?-They were in the teachers office.,(3)对数量的提问 1.How many+可数n.复数+are/were there+介词短语?e.g.There is one cat in the box.How many cats are there in the box?There are twelve months in a year.How many months are there in a year?,2.How much+不可数n.+is/was there+介词状语?There is some money in my wallet.How muc
10、h money is there in your wallet?There was a little water in the glass five hours ago.How much water was there in the glass five hours ago?,3.There be结构 vs.have(实义动词)There be句型表示 某地存在有某物(人)而have/has/had表示某人拥有某物。两者不能同时使用。e.g.There are three books on the desk.I have three books.=(Three books are mine.)
11、,Exercise,1、用恰当的be动词填空。1)There_ four seasons in a year.2)There_ not any trees two years ago.3)There_a shopping centre near our school last year.But now there_ no one.,4)In New York,there_ a lot of rain in spring.5)-_there a post office near your school?-Yes,there_.6)-How many bus stops _ there?-Ther
12、e_only one.7)There_not any stamps on the envelope.,2.单项选择 1.There are many _ in the libary.A.animals B.food C.books 2.Look!There _ a knif and three pens on my desk.A.are B.is C.arent,3.-Heres some water for you.-_.Sorry B.Thank you C.All right 4.-_ are the students?-In the classroom.A.Where B.When C
13、.Who,5.Here _ her family photo.A.is B.are C.am D.be 6.There _ some tea in the cup.A.has B.have C.is D.are 7.-_ are the grapes?-They are two dollars a kilo.A.How many B.How much C.How cheap D.How dear,8.There _ some orange juice in the cup.A.are B.is C.have 9.There _ a few tall buildings near my home
14、.A.is B.am C.are,10.-Is there any bread on the plate?-No,_.A.it is B.there isnt C.it does11.That is _ American national flag.There _ fifty stars on it.A.a,is B.an,are C.an,is,12.-Are there _ eggs in the fridge?-Yes,there are _.A.some;any B.any;some C.some;some D.any;any 13.-_ is in the house?-There is an old woman in the house.A.What B.Whose C.Who D.Which,3.句型转换,1.There is a dog in the park.(对划线部分提问)_ 2.There are four students in the calssroom.(对划线部分提问)_,3.There are some oranges on the desk.(变为否定句)_4.There are 24 hours in a day.(变为一般疑问句并回答)_,二、不规则形容词的比较级最高级,
