被动句变主动句.Potato chips were invented by mistake.

被动句变主动句.Potato chips were invented by mistake. 英语主动句变被动句,和方法 主动句怎样变被动句求答案 怎样被动句变主动句?是 被动 变 主动!还有,请解释清楚怎么变的,思路清晰,格式明了! 用英语八种时态and情态动词 主动句变被动句造句 每种造两个句子要有主动句 和被动句 英语主动句改被动句题, 谁能告诉我10句主动句变被动句的句子原句和改动的句子都要有, potato chips potato chips Potato chips were inbented by mistake(改为主动语态） 连词成句:,Lucy,like,would,a,and,some,bamburger,potato,chips The candy is below the potato chips的同义句是什么 The candy is below the potato chips的同义句是什么 英语：主动变被动,被动变主动. 被动句子改成主动句 怎么改 被动句子改成主动句 怎么改 求初中英语——主动句变被动句的具体解析和例句本人在读初三,对主动句变被动句不慎了解,希望各位大哥大姐帮帮小弟,在此小弟先谢谢了!～～～～～～～～～～～ 主动句People use knives for cutting things变成被动句怎么变?knives _______ _______ for cutting things