原形过去式原形过去式原形过去式原形过去式
sweepsweptteachtaughthavehadgowent
keepkeptthinkthoughtdodidfindfound
sleepsleptbuyboughteatatesaysaid
feelfeltdrinkdrankis/amwastaketook
readreadgivegaveareweremeanmeant
putputsingsangdrivedrovemeetmet
cutcutbeginbeganspeakspokemakemade
letletringrangwritewroteseesaw
flyflewrunranriderodecomecame
drawdrewsitsathearheardtelltold
growgrewlearnlearned/learntgetgotknowknew
