Nǐ mínɡtiān shànɡbān mɑ?
你明天上班吗?
Will you work tomorrow?
Notes:
你(nǐ): you
明天(mínɡtiān): tomorrow
上班(shànɡbān): go to work
吗(mɑ): questio word
Example:
A: 你明天上班吗?
Will you go to work tomorrow?
Nǐ mínɡtiān shànɡbān mɑ?
B:不上班。有事?
Bú shànɡbān. Yǒushì?
No. What's up?