Some baseball are under the table哪里错了?

Some baseball are under the table哪里错了? ( ) the baseball under table? Is the baseball under table.错在哪 什么your baseball under the table、 his baseball is under the table . There have two balls under the table.哪里错了? There is some newspapers on the table. 哪里错了? there is some sheep under the tree哪里错了? The baseball is under the floor.那里错了 his baseball is under the table 肯定回答 two knifes are on the table.哪里错了 His baseball is under the table.句首的his baseball 可以看作第三人称单数吗?