如有人能回答，在下感激不禁！！！！

become 和 come 的过去分词形式和原形是一样的，上面的两句就是过去分词而不是动词原形。

become 和come的过去分词还是become 和come
become became become
come came come

原形 过去式 过去分词
come came come
become became become
有些单词的过去式或者过去分词是比较特殊的，但是并不多，
所以你应该去背一下，牢记它们哦，考试最喜欢考这种了~~~