英语语法：Since I hated to be inaccurated,I went back to Mr.Johnson and asked him to ...问：since不是一定要和完成时态相对应吗?为什么这里无论主从句都是过去时?

英语语法：Since I hated to be inaccurated,I went back to Mr.Johnson and asked him to ...问：since不是一定要和完成时态相对应吗?为什么这里无论主从句都是过去时?
英语语法：Since I hated to be inaccurated,I went back to Mr.Johnson and asked him to ...
问：since不是一定要和完成时态相对应吗?为什么这里无论主从句都是过去时?

英语语法：Since I hated to be inaccurated,I went back to Mr.Johnson and asked him to ...问：since不是一定要和完成时态相对应吗?为什么这里无论主从句都是过去时?
此since非彼since,你说的那个since意思是“从.时候开始到现在“,所以要用完成时,这里的since解释为”既然“,所以不一定要用完成时

这里的since是由于，既然的意思。

since=because因为，引导原因状语从句。