almost 是副词,为什么可以修饰名词?谢谢~

如:there are almost 500 students.

almost 可以修饰名词,但是这个名词一般是时间名词而且带有数字意义。例如:
almost noon(中午12点), almost midnight(午夜12点),almost a week(几乎一周,其实是修饰数字概念的a,等于almost one week)
almost 可用于修饰动词、形容词、副词、名词、代词、数词或介词短语等,有时还可用来代替全句。
Expert 漏掉了三个。现补充如下:

1. 修饰数词:
Hurry up, it's almost ten and we're still at home. 快点儿,快十点了,可我们连家门都还没走出去呢。
Water forms almost three fourths of the human body. 人体约四分之三都是水。
2. 修饰介词短语:

I must warn you that my patience is almost at an end.
我必须警告你,我已忍无可忍了。
She took after her mother almost in everything. 她几乎与她母亲一模一样。
3. 替代全句:
--Have you finished eating?
--Almost.追问

谢谢~另外almost 5 minute,almost为什么修饰5?

追答

almost 5 minute ,这里的almost不是修饰5,而是修饰的时间:5 minutes

追问

和almost a week有什么区别?

追答

almost a week(几乎一周,其实是修饰数字概念的a,等于almost one week)

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