we are going to play ping-pong on saturday【改为一般疑问句,并作否定回答】

we are going to play ping-pong on saturday【改为一般疑问句,并作否定回答】 They are going to learn to play the violin改为一般疑问句并作否定回答 We are going to play soccer Saturday.改为一般疑问句 My sister has a ping-pong ball.改为一般疑问句并作否定回答 We are going to fly a kite in the park.改为一般疑问句并作否定回答. We are sad.改为一般疑问句,并作否定回答 We're going to walk in the park.改为一般疑问句并作否定回答 We are going to play sports.(改为一般疑问句,并做肯定回答) I can play ping-pong（变一般疑问句并做否定回答） They play football on Saturday.（改为一般疑问句并作肯定回答） ______ they _ They like to play ping pong.改为一般疑问句 I have two ping-pong balls .（改为一般疑问句,并作肯定回答）