does your uncle an engineer?

does your uncle an engineer? ?uncle is an engineer What you’re your uncle do?--He is an engineer这个问句是不是不对啊? Isn't your uncle an engineer?A No,he isn't B No,he is C Yes, where does your uncle live? My uncle is an engineer.(就画线部分提问) your uncle isn't an engineer ,is he?类似的反意疑问句的答语该怎么回答?谢谢赐教··· What does your uncle do?怎么回答、 Where does your uncle work?(汉语） Does your uncle play volleyball much? Where does your uncle I ______? How many d___ does your uncle have?