一般加ed
一般过去时 动词
过去式变化规则： 1．一般在动词末尾加-ed，如：pull-pulled, cook-cooked 2．结尾是e加d，如：taste-tasted 3．末尾只有一个
元音字母和一个辅音字母的
重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped 4．以“辅音字母+y”结尾的，变y为i，再加-ed，如：study-studied 5．
不规则动词过去式： am,is-was are-were, do-did, see-saw, say-said give-gave, get-got, go-went, come-came, have-had, eat-ate, take-took, run-ran, sing-sang, put-put, make-made, read-read, write-wrote, draw-drew, drink-drank, fly-flew, ride-rode, speak-spoke, sweep-swept, buy-bought swim-swam, sit-sat bring--brought can-could cut-cut become-became begin-began draw-drew feel-felt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt （learned） leave-left let-let lose-lost meet-met read-read sleep-slept speak-spoke take-took teach-taught tell-told write-wrote wake-woke