英语翻译

问题描述:

英语翻译
本学期第一天起,我经常在图书馆学习英语.
since the first day of this semester,I often study English in library.
请问这句话翻译的对吗?since之后可以用动词一般现在时吗?还是必须用Have done?
since the first day of this semester,I have often studied English in library.

since之后可以用一般现在时
但是这句话最好还是用完成时,表示持续在做的一种状态