talk的过去式,过去式和过去分词表

写出下列单词的过去式 talk go feed talked went fed am /is was
talk的过去式是什么?谢谢.
写出下列单词的过去式 talk talked am /is was go went feed fed
watch---talk-----cook ----can ------work------ 过去 watched talk
询问过去的活动,重点练习行为动词过去式的正确表达,难点为过去时态中