previous与before的区别

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previous与before的区别
previous与before的区别

previous与before的区别
before 作介词,连词,或者副词.
介词：可在后加一个时间点或者短语.如 before 6 o'clock.
连词：连接句子.she had finished homework before we went shopping.
副词：作为状语.I’ve never been there before.
previous 形容词作定语的.修饰名词.a previous suggestion 一个预先的迹象
before作副词时同previously.但是before偏重于之前先前的意思.previously偏向预先的意思.

previous 上一个
before 之前
before 大致等于 previously，但两个词用法不同。

previous与before的区别 Former与previous, foregoing区别? precede before 和 previous都有“.之前”它们的意思的区别是什么? former 和 previous 的区别 former,previous,prior的区别 before long 与 long before的区别 ago与before的区别 prior,previous,original,primary 用法的区别 previous year和last year的区别 long before 与 before long的区别是什么 long before 与before long 的区别 ,有什么异同 before,after,until的用法与区别? before与ago的区别具体点 ago与before的区别是什么 former和previous officer和official这两族词语的区别 long before,before long,soon before,before soon的区别翻译：温习之前的功课.Review the lessons before.Review the previous lessons. before与after的区别它们的用法