过去式work,learn,sing,dance,eat,take,climb,have

过去式work,learn,sing,dance,eat,take,climb,have teach,read,work,learn,go的过去式是什么 英语过去式 say speak talk come play are know do live like sing go stay teach work bejin want find write have tell learn take leave see buy sell let put read sleep sweep look watch heat listen finish enjoy SING的过去式是?sing的过去式? world sing how learn world sing how learn world sing how learn world sing how learn work、ask,make、have、stop、drink、sing的单三形式、现在分词形式、过去式是? keep sing的过去式 sing的过去式 sing动词的过去式 Sing 的过去式 sing的过去式 sing的过去式是什么? sing的过去式 是什么 sing的过去式是什么? 现在分词、三单形式、过去式的动词变化feel、get、stay、test、hear、pass、kick、bounce、guess、win、laugh、watch、wash、clean、play、visit、cook、learn、dive、read、go、study、fly、return、wear、swim、sing、d