为什么On the floor is a dog and a cat 和A dog and a cat are on the floor 动词不同

问题描述:

为什么On the floor is a dog and a cat 和A dog and a cat are on the floor 动词不同

On the floor is a dog and a cat这是一个倒装句,be动词与前面状语相对
A dog and a cat are on the floor陈述句 be动词与主语相对