become和它的过去分词become读音相同吗?

become和它的过去分词become读音相同吗? become的过去式和过去分词 become 的过去分词 是不是还是become become的过去分词是什么 become 过去式过去分词是什么? become的现在分词 He has become a teacher.这句里的become难道不应用过去分词? become有过去分词吗?如果,是什么? become的单相式 现在分词 过去时 过去分词是什么 like become stop go stay eat have say put take do buy的过去式和过去分词 to become.it may take time for new facts______(become) available.分析；答案是to become facts被变的有用?所以用过去分词become但为什么有to be become begin blow break bring build burn buy catch choose come cost cut deal draw dream drink的过去式和过去分词 be.become.do.drive.eat.fall.fly.have.ring.run.speak.swim转化成过去式和过去分词. become become 什么是过去分词和它的用法? become和be的区别? 它的过去分词和过去式,现在分词是什么