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There are two dogs
in the room.
There be句型中的be动词要和后面的主语在数上保持一致
（1）如果句子的主语是单数可数名词或不可数名词时，be动词就用is.如：
There is a table in the room.
房间里有一张桌子。
There is a little water in the bottle.
瓶子里有一点水。
（2）如果句子的主语是复数名词时，be动词就用are。如：
There are some pencils on the chair.
椅子上有一些铅笔
就近原则
（3）如果有两个或两个以上的主语时，be动词要和最靠近它的那个主语在数上保持一致。如：
There is a pen and some books on the desk.
书桌上有一支钢笔和一些书。
There are some books and a pen on the desk.
书桌上有一些书和一支钢笔。
There is/are--- 的否定句 is/are后加not, 肯定句中的some变any
There is a beautiful flower on the desk.
There is not a beautiful flower on the table.
There is some water in the bottle.
There isn’t any water in the bottle.
There is/are--- 的一般疑问句 is/are要提前, some 变any,其他都不变
There is a radio on the desk.(一般疑问句)
Is there a radio on the desk ?
Yes, there is. / No, there isn’t
There are some shoes under the bed.（一般疑问句）
Are there any shoes under the bed?
Yes, there are. / No, there aren’t.
There is/are--- 的特殊疑问句