stay的过去式：stay,过去分词：sayed；smell的过去式：smell,过去分词：smelt；wear的过去式：wore,过去分词：worn；give的过去式：gave,过去分词：given；bring的过去式：brought ,过去分词：brought ；hope的过去式：hoped ,过去分词：hope；cost的过去式：cost,过去分词：cost；drop的过去式：dropped 或dropt,过去分词：dropped 或dropt；ride的过去式：rode ,过去分词riden ；lend的过去式：lent,过去分词：lent.