规则动词的过去式变化如下 watch - watched cook
原形 cook live drop have do 过去式 cooked lived dropped had did
ppt 规则变化: 原形 过去式 原形 过去式 /t/ watch watched cook
动词过去式
图片内容是:cook的过去式
外研版(三起)五年级英语下册课件 module9 unit1(3)
today watch cook yesterday watched cooked
cook过去式
五年级英语过去式ppt
cook的正确形式