be+ 过去分词 造句 be+过去分词是被动语态eg：I was taken away by my mother.我被我妈妈带走了.
用过去分词造句（急急急） 过去分词做定语：1、The polluted water and air are harmful to people's health.2、A burnt boy is afraid of fire.过去分词做标语：1、He looked worried after reading the letter.2、When we heard of it，we we.
用过去分词造句 Many trees are being cut down by people now.he got hurt by you because of your bad behaviors.all the things were sold out yesterday.He was made to finish all 。
