ever since/before/after区别是什么?
问题描述：
ever since/before/after
区别是什么?
答
before 是一般过去式标志！ ever since 是过去完成时标志！ after 是一般将来时标志1
答
.ever since 的结构：(作为连词)=since 完成时态---- ever since +主+动词简单过去式 例：I have known him ever since he was a child.他从小我就认识他了.ever since 也可作为副词,解释“此后”（就一直...） 例：...