关于since+延续性动词的问题

题目

关于since+延续性动词的问题
since后面接的句子若用延续性动词,则中文意思与字面意思相反
比如说：It had been many years since they had lived there.
意思就是他们已经很多年没在这里居住了
那么高一必修1的课本里节选安妮日记那句
That's changed since I was here.要理解成“我到这里之后一切就变了”有什么特殊的讲头么.
如果变成间接引语Anne said thad had changed since she was/had been there.是不是就可以理解成“安说她离开那儿之后一切就变了”
反正对since这块还是有点纠结 希望亲们多举点有代表性的例子

答案

1)自从什么时候以来：That has changed since I was here.I haven't seen her since last week.这两句话的翻译很清楚：从我来这里以后变了很多.从上星期开始我就没有看到她.It has been many years since I enjoyed ...