have to
01
必须, 不得不
used to indicate an obligation or to emphasize the necessity of something happening
Transitive
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
have
现在时
have to
第三人称单数
has to
现在分词
having to
一般过去时
had to
过去分词
had to
例子
I have to finish this report by the end of the day.
我必须在今天结束前完成这份报告。
02
必须, 一定
to be certain about something happening or being true in a given situation
例子
There has to be a reason for the sudden change in behavior.
行为的突然变化一定有原因。
