六年级下册英语书里面的第一单元动词过去式的原型 1、2单元没有，3、4单元有哦。 第三单元：watch----watchedwash---washedclean---cleanedplay---playedvisit---visiteddo---didcook---cookedgo---wentgo swimming---went swimmingread---readgo fishing---went fishinggo hiking---went hikingstudy---studiedswim---swam 第四单元learn---learnedsing---sangdance---dancedeat---atetake---tookclimb---climbedhave---hadbuy---boughtrow---rowedsee---sawgo skiing---went skiinggo ice-skating---went ice-skatingleave---leftget---got 本文来源：https://www.wddqw.com/doc/a08631f6bbf67c1cfad6195f312b3169a451eada.html