drop 过去式 过去分词 drop dropped dropped希望能够帮到楼主
drop 过去式过去分词 规则的dropped，dropped
写出这些单词的过去式和过去分词，现在分词，谢谢。 原形 过去式 过去分词 现在分词make，made made makingfly，flew flown flyinglive，lived lived livingdrop dropped dropped droppingshave，shaved shaved shavingopen，opened opened openinglisten，listened listened listeningrun，ran run runningsit sat sat sittingread，read read readinggo went gone goingwalk walked walked walkingwait waited waited waitingwash washed washed washingswim swam swum swimming保证准确率~
