i always live in shanghai since i gratuated from school

问题描述:

i always live in shanghai since i gratuated from school
since的主句能与一般现在时连用吗?

不能.这个句子看起来从语法讲确实是错误的.since 从句用了一般过去时态,主句就应该用相应的现在完成时.改为 I have lived in Shanghai since i graduated from school.