be bi:
释义
v. 是, 表示, 在
[计] 后端, 总线允许
英文释义
v. have the quality of being; (copula, used with an adjective or a predicate noun)
v. be identical to; be someone or something
v. occupy a certain position or area; be somewhere
v. happen, occur, take place; this was during the visit to my parents' house"
词形变化
过去式: was 第三人称单数: is 过去分词: been 现在分词: being
BNC词频排名: 2 | 当代语料库词频排名: 2