be to
01
将要, 预计
used for expressing possibility or for indicating something that is due to happen or take place
语法信息
形态构成
短语
状态动词
规则
不可分离
小品词
to
基本动词
be
现在时
be to
第三人称单数
is to
现在分词
being to
一般过去时
was to
过去分词
been to
例子
If we are to win this game, we must play our best.
如果我们要赢得这场比赛，我们必须发挥出最好的水平。
1.1
必须, 应该
used to express necessity or obligation
例子
All employees are to wear identification badges while on company premises.
所有员工在公司场所内必须佩戴身份徽章。
