choose,过去式 chose,过去分词 chosen
become,过去式 became,过去分词 become
understand,过去式 understood,过去分词 understood
rich,反义 poor
wife,复数 wives
choose,过去式 chose,过去分词 chosen
become,过去式 became,过去分词 become
understand,过去式 understood,过去分词 understood
rich,反义 poor
wife,复数 wives