大家好，今日小源来为大家解答以上的问题。before的用法归纳总结，before的用法与搭配很多人还不知道，现在让我们一起来看看吧！

before的用法归纳总结 before的用法与搭配

before的用法归纳总结 before的用法与搭配

before的用法归纳总结 before的用法与搭配

1、before 可以用作介词，后面接名词，代词或动名词。

2、例如:You should be here before 8 o'clock a.m.Before leing home,Tom often goes round to make sure all the windows he been shut.I saw a boy stand before her.before，做副词I he nr met Mary before.before做连词，时间状语从句。

3、before 可以用作介词，后面接名词，代词或动名词。

4、例如：You should be here before 8 o'clock a.m.Before leing home,Tom often goes round to make sure all the windows he been shut.I saw a boy stand before her.before,做副词I he nr met Mary before.before做连词，时间状语从句Helen carefully made herself up before she went out to dance.祝你开心如意！比否尔 在不拉不拉之前。

本文到这结束，希望上面文章对大家有所帮助。