英 [swm] 再看看别人怎么说的.
sell sold sold;send sent sent;sing sang sung:sit sat sat speak spoke spoken swim swam swum spend spent spent
throw threw am, is was drink drank draw drew are were sing sang fly flew do did begin began grow grew have, has had swim swam put put
动词过去式,过去分词不规则变化 AB型 can could shall should will would may might AAA型 cost cost cost cut cut cut hit hit hit hurt hurt hurt let let let must must must put put put
动词原形 过去式 过去分词 现在分词 play played played playing study studied studied studying rain rained rained raining fly flew flown flying write wrote written writing close
原式 过去式 过去分词(past participle) go went gone come came come see saw seen do did done watch watched watched get got gotten(或got) have had had use used
was were been,began begun,brought brought,bought bought,cost cost,drank drunk, said said,sold sold,shut shut,slept slept,stood stood,took taken,told told每个词的过去式和