例如“我们去玩怎么样”这句话可以用shall we 还是what about还是都行?

shall we go outside to play?
what/how about going outside to play?
都是表示提意见的句子，这类题题型多见于句型转换

Shall we go out to play?
What about going out to play?
区别是
Shall we do……
What about doing……
意思相同