请教用英语怎么说：我每两个星期洗一次鞋子,我每两个月洗一次书包.谢谢

I wash my shoes every two weeks and wash my schoolbag every two months.
I wash my shoes once two weeks and wash my schoolbag once two months

I wash once every two weeks of shoes, I wash once every two months of school bags.

I wash my shoes every two weeks and wash my schoolbag every two months.
或者
I wash my shoes once two weeks and wash my schoolbag once two months.