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1、There be,定义&结构,定义：There be句型表示某处存在某物或某人。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.,There is a bird in the tree.树上有一只鸟。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。There are two boys and a girl under the tree.树下有两个男孩，一个女孩。,变脸一：否定句,There be句型的否定式的构成和含有be动词的其它句型一样
2、，在be后加上not即可。There is a bike behind the tree.There isnt a bike behind the tree.There are some pictures on the wall.There arent any pictures on the wall.,变脸二：一般疑问句,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.There is some water on the floor.Is there any water on the floor?There are some students in the
3、classroom.Are there any students in the classroom?,变脸三：特殊疑问句,对主语提问：当主语是人时，用Who；当主语是物时，用What。There are many things over there.Whats over there?There is a little girl in the room.Who is in the room?,对地点状语提问：提问地点当然用Where is/are.There is a computer on the desk.Where is the computer?There are four childr
4、en on the playground.Where are the four children?,对数量提问：一般有两种句型结构：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？How many cats are there in the room?How much water is there in the bottle?,3.There be句型与have的区别：,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。He has two sons.他有两个儿子。There
5、 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。eg.A week has seven days.=There are seven days in a week.一个星期有七天。,一.根据所给汉语完成句子：1.桌子上有一本书和两支钢笔。There _ a book and two pens on the desk.2.在吉姆的书包里有一些卡片。_ _ some cards in Jims bag.3.我们学校有许多班。There _ many _ in our school.二.句型转换：1.There is a woman near the house.（变复数）2.There are some buses near the hill.（变单数）3.There are some apples in the tree.（变一般问句）4.There are some oranges in the glass.（变否定句）5.Is there a baby in the room?（变复数）,Thank you.,
