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_1715640341612_0阶段常见过去式不规则变化动词表 动词原形 过去式 动词原形 过去式 am,is was are were keep kept let let become became make made begin began meet met bite bit put put blow blew read read buy bought ride rode catch caught run ran come came say said cost cost see saw cut cut sing sang dig dug sit sat do/does did sleep slept sleep slept drink drank speak spoke sweep swept eat ate take took fall fell teach taught feed fed tell told feel felt think thought fly flew throw threw forget forgot understand understood get got give gave wake woke go went wear wore grow grew win won have/has dad write wrote know knewSheet2Sheet3