I have stayed away from him since I moved here.
I have known him since I moved here.
I knew him five years ago.
Ever since she left me, and I will never a day is really happy. 自从她离开我,我将永远不会一天是很幸福的。 Ever since she left me, andI have never a day is really happy. 自从她离开我,从来没有一天是添很快乐
it has been 10 years since we moved to this city
Since he came here, he has been teaching us English all the time.
Since I left him to another city, it has been three years.
It has been ten years since I left my hometown.
I live here since I came to Beijing last year.
你好！ 自从他离开南京后，我就再也没见过他 Since he left nanjing, I have never seen him