I come to you school tree years ago 同义句

问题描述：

答

I came to your school three years ago
= I was at your school three years ago.

答

这句子怎么这么破的呀？不通的。
i came to your school three years ago.
It has been three years since I came to your school

答

I have been in your school three years for three years.

答

It was three years ago that I came to your school.
原句正确的是：I came to you school tree years ago

答

I came to your school three years ago.
I have been to your school for three years.现在还在
I was at your school three years ago.现在不在了

答

句子不对，