最佳答案:ought
最佳答案:uy-bought get-got take-took swim-swam begin-began play-played enjoy-enjoyed eat-
最佳答案:过去forgot lost,spoke,put,won,bought
最佳答案:动词原形-过去分词-过去式know-known-knewrun-ran-ranare-been-wereput-put-putdrink-drunk-drank
最佳答案:过去分词就是完成时态中动词的一种变化形式,规则动词的过去分词由动词+ed形式构成.不规则的要死记了 规则动词的过去分词由动词原形加ed构成,不规则动词的过去分词
最佳答案:ought drunk fought grown had knelt paid run shone taken worn written
最佳答案:uy bought boughtdo did donehave had hadsee saw seenopen opened opened