become的过去式和过去分词怎么写?

编辑:自学文库 时间:2024年03月09日
become的过去式是became,过去分词是become。
  当我们谈论过去的事件时,使用became作为动词的过去式,如:"He became a doctor last year." 而当我们需要形容过去完成的状态或动作时,使用become作为动词的过去分词,如:"She had become a famous actress before retiring." 过去分词也可以用作现在完成时的被动语态,如:"The book has become very popular among readers." 在英语中,动词的过去式和过去分词形式都有规则可循,需要掌握和记忆。