vt. 是; 有,存在; 做,成为; 发生n.
be英 [bi] 美 [bi] v. 是;有,存在;做,成为;发生aux. 用来表示某人或某物即主语本身,用来表示某人或某物属于某一群体或有某种性质第三人称单数: is 现在分词: being 过去式: was were 过去分词: been