一般问句,

问题描述:

一般问句,
能帮我把下列句子改为一般问句吗?
The bike costs me 300 yuan.
I have been in the school for 3 years.
能帮我把yes和no 的肯定形式和否定形式也写出来吗,

Does the bike cost you 300 yuan?
Do you have been in the school for 3 years?