what shapes are the ball还是what shape are the ball
问题描述:
what shapes are the ball还是what shape are the ball
答
shape和ball的单复数是对应的,一个球最多只有一个形状,肯定是单数动词is;多个球可能是多个形状,也可能是一个形状,但肯定是复数动词are.
所以可能的搭配是:
What shape is the ball?
What shape are the balls?
What shapes are the balls?