I haven’t heard from her since she went abroad.

问题描述:

I haven’t heard from her since she went abroad.
请问,since 不是说要用完成时态吗?为什么这里是过去式呀?

since 引导的时间状语从句的谓语是一般过去,它的主句的谓语动词才用现在完成时.