Jane appears as if she === the secret为什么用knew 而不是 had known ,konw,has been known、
问题描述：
Jane appears as if she === the secret
为什么用knew 而不是 had known ,konw,has been known、
答
方式状语从句，虚拟语气，主句用一般现在，从句提前一个时态，用一般过去就可以了
答
好像是虚拟语气 = =|||
还像是这么说的
对过去虚拟用had
对现在虚拟用did
对未来虚拟用would should
答
这里是虚拟语气.
前面是appears.是一般现在, 后面就是一般过去,语法就是这么规定的.