without being paid（无偿）为什么不可以改成 without paid呢?

without being paid（无偿）为什么不可以改成 without paid呢? volunteering means to work without being -----为什么是填 过去式paid The bog made to clean streets without being paid in the old He did all this for the rich lady without being paid offered to help without getting paid 翻译 without being 英语翻译The freight to be paid in the manner in cach without dis without being afraid without being noticed 英语：without being embarrassed without eyen being he did ti without being asked为什么不是he did ti without asked.