Thay aer playing ping-pong over there 改为否定句

问题描述:

Thay aer playing ping-pong over there 改为否定句
Thay are playing ping-pong over there 改为否定句

They aren't playing ping-pong over there.( aren't = are not )
不明白的再问哟,请及时采纳,多谢 !