关于has had to的用法,

来源：学生作业帮编辑：搜搜考试网作业帮分类：英语作业时间：2024/06/04 12:09:13

关于has had to的用法,
because she's had to go to Chicago on a business trip.请问这个句子里的has had to要什么时候用,该怎么用,然后这个句子作什么解释啊?
what the future holds.怎么翻译啊？这个涉及什么语法结构吗？

has had to这个词是分2个部分的第一部分是 has .has在这里是表示时态的标志,是现在完成时.表示还在影响着现在的事物或事情.第二部分是 had to.这里的意思是必须,不得不.所以呢,这句话的意思是因为她必须去芝加哥出...

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