I'll have to stay at the office.帮忙解释下,谢谢~~~

问题描述:

I'll have to stay at the office.帮忙解释下,谢谢~~~
I'll have to stay at the office.
will have to 是什么句型,
为什么to不放在the office前,而放在stay前?
我英语很烂,谢谢大家的帮忙~~~~~~~~~~~~~

一般将来时.
这里have to是have作为实意动词.
并不表示时态.
have to do表示不得不做某事.