the cat is under the table 是主系表还是主谓宾,请说明一下理由,

the cat is under the table 是主系表还是主谓宾,请说明一下理由, That is a cat _ the tree .这里填In还是on,请说明理由 there is a black cat under the table.提问 what is under the table?There is a cat.那什么时候用It is a cat. 单项填空( )1.-Where is the cat?-It's ____.A.under the table B.un the cat is (under the table).对括号中的部分提问 there is a cat under the table.it is eating food there.(合并为一 what's under the table?A.It's a cat B.It is a cat C.There is the book is on the table 的主谓宾! The cat is very fat.是主系表结构还是主谓加主语补语结构? the cat is sleeping under the desk I can see a cat under the table