人教版小学6年级下册英语1~4单元所有动词原形和过去式,一定要快...答:do-did,are-were,swim-swam,sleep-slept,go-went,have-had,buy-bought,am-was,come-came,dig-dug,eat-ate,draw-drew,get-got,fight-fought,drive-drove,catch-cought,sit-sat,begin-began,know-knew,run-ran,let-let,read-read,see-saw,shine-shone,hurt-hurt,meet-met,winwon,think,thought...