row-rowed,划船
learn-learned,学习
climb-climbed,爬
listen-listened,听
play-played,玩
dance-danced,跳舞
study-studied,学习
work-worked,工作
read-read,读
wash-washed,洗
watch-watched,观看
visit-visited,参观
am-was或were,是tall,short,big,small,young,new,old,heavy,light,hot,cold,strong,thin比较级。丢给你了谢谢哈应该说是委托。tall-tallershort-shorterbig-biggersmall-smalleryoung-youngernew-newerold-olderheavy-heavierlight-lighterhot-hottercold-colderstrong-strongerthin-thinner