Mr Green won't go home until he finishes the work.
问题描述:
Mr Green won't go home until he finishes the work.
为什么要用finishes?是不是有什么语法点啊?
答
until 引导的时间状语从句,主句用一般将来时 ( Mr Green won't go home) 从句中用一般现在时,即‘主将从现’.从句主语是he 第三人称单数,故用finishes (类似用法的还有:if ,when ,as soon as 等)