第三单元复习动词原形 过去式washcleanedcleanplayed playvisitedvisitwashedwatched watch动词原形 过去式learnrowed rowcooked cooklearnedclimbed climb一般在动词末尾+ed动词原形 过去式stopped stop末尾只有一个元音和一个辅音的重读闭音节,双写末尾辅音字母+ed动词原形 过去式studied study以辅音字母+y结尾的词,变y为i+edcarriedcarry动词原形 过去式danced dance以e结尾的词,直接+dtastedtaste不规则动词过去式goreadreadsang singsaw seewentdid doget gotateeat动词过去式变化规则1、一般情况下直接在动词后面+ed如:watch-watchedplay-played2、词尾是e的单词直接+d如:dance-danced3、以元音+辅音字母结尾的词,双写末尾辅音+ed如:stop-stopped4、以辅音字母+y结尾的词,变y为i+ed如:study-studied5、特殊动词的变化形