一段时间 + before
这个词组是表示“从过去的某一时刻算起的一段时间以前”,是过去的过去,所以用过去完成时.
延伸：一段时间 + ago
是表示“从现在算起的一段时间以前”,用一般过去时.如 i went to Beijing two days ago
she had died more than 2800 years before
she had died more than 2800 years before
这是我的教材上的一个句子
谁能解释一下为什么这里用before 为什么要用过去完成时呢
这是我的教材上的一个句子
谁能解释一下为什么这里用before 为什么要用过去完成时呢
英语人气：495 ℃时间：2019-09-24 06:05:50
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