1、There be 句型A cat is under the tree.There is a cat under the tree.树下有一只猫。There be 句型表示：在某地有某物（或某人）There be开头表存在，真正主语在后头。地点状语在最后。There are three cocks under the tree.树下有三只公鸡。there be结构的主谓一致 There is a cat under the tree. There are three cocks under the tree. 主语单数用is，主语复数就用are。 a. There is +单数可数名词/不可数名

2、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。There is not any thing under the tree.=There is nothing under the tree.树下什么都没有。 There be 句型的否定句There are two books on the desk.There arent two books on the desk.There is some bread in the plate.There isnt any bread in t

3、he plate.在be 动词后加 not. 句中some变成any. and变成or.There is a cat and a chicken under the tree.There isnt a cat or a chicken under the tree.若句子中有几个并列主语时，be动词的形式要依据就近一致原则，与离其最近的一个主语在人称和数上保持一致。1.There is a girl and two boys under the tree.2.There are two boys and a girl under the tree.就近一致记心头。一般疑问句：There is

4、a mouse in the house.(变成一般疑问句）Is there a mouse in the house ?There are some flowers in the garden.(变成一般疑问句）Are there any flowers in the garden?谓语动词is/are提到句首，句中some要变成any.对There be结构中的主语提问的特殊疑问句：There is a bike under the tree.Whats under the tree?There are many books on the table. Whats on the table

5、?Whats +介词短语（介词+地点名词）+ ？2.How much + 不可数名词 + is there + 介词短语？ There is some milk in the glass.How much milk is there in the glass?there be结构有不同的时态，而且可以和各种助动词或情态动词连用 There + 情态动词/ 助动词 + be + 其他 There will be a meeting tomorrow. There must be a mistake somewhere.练习：恰当的be动词填空。1、There _ a lot of sweets

6、in the box.2、There _ some milk in the glass.3、There _ some people under the the big tree.4、There _ a picture and a map on the wall.isareisare5、There _ a new film next Monday.6、There _ lots of flowers in our garden last year.7、There _ a tin of chicken behind the fridge yesterday.8、There _ four cups o

7、f coffee on the table.arewaswerewill be1.There_ two cars in front of the house. A. are B.have C.has D.is2.There_some water in the bottle. A. has B.is C.have D.are3.我有一条好看的连衣裙。 4.他有一只黑色的狗。 ABI have a nice dress.He has a black dog.have & has第三人称单数:He/She/It/Lily has第一人称：I have第二人称：You have复数:They /The girls/The boys/ The children/ Ben and Janet have.have 与has 的用法两者的区别There be 和have(has)都表示“有”的含义。There be 表示“某处存在某物或某人”此时