可不可以不做你的兄弟的英文

这句话没有主语，如果没有主语是：
Can not be your brothers？

如果做第一人称的主语是：
Can I not be your brothers?

I just don't want to be your brother。
我不想做你兄弟

Could not your brother

Can i not to be your brother?

Could I don't be your brother?

Do you mind if I don't act as your brother?