. am , is 的过去式是 was ， are 的过去式是were. 过去分词都是been .

be单词的过去式什么

be动词：am is 的过去式was

are的过去式were

你的采纳我的动力
很高兴能够帮助你

be的过去式及过去分词

meet（过去分词）____met know（过去式）____knew teach（过去分词）____taught be（过去分词）____been luckily（形容词）____lucky write（过去分词）____written good（比较级）____better difficult（最高级）____the most difficult wear（过去分词）____worn saw（原形）_____see

be的过去式和过去分词是啥?

be的过去式是was,were，过去分词是been

be的过去式和动词原形

was, were
be 的原形就是be

希望能帮到你，祝更上一层楼O(∩_∩)O
有不会的欢迎再继续问我(*^__^*)