是have become还是 have became

是have become还是 have became 为什么是have become 而不是have became? which have become还是which has become It's twenty years that we (became) friends是用became还是have bee I have ____ the bike for a year a become b.became c.been.d t What were your problems ten years ago__ become mine.是填have还是 英语语法have become done have become过去式 had become 和 had became 的区别?还是没有had became,只有had become 和 be 人家说become 是系动词 那He became a teacher 那a teacher是宾语还是表语吖 What Have We Become 歌词 Two hearts have become passive