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（辅元辅），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 swim-swam sit-sat 本文来源：https://www.wddqw.com/doc/23481d78fd0a79563d1e724a.html