mike is helping li ping with his english now(对helping li ping with his english提问)

问题描述:

mike is helping li ping with his english now(对helping li ping with his english提问)
peter wants to play football tomorrow (对tomorrow提问)
there is some milk in the bottle.(改为否定句)

What is Mike doing?
When does Peter want to play football?
There is not any milk in the bottle.
供参考