please would you kindly answer my question
Is the following sentence true or false with evidence?
I haven't seen him since three years ago .

I haven't seen him since last three years
لان الحمله مضارع تام وباتى بعد since بدايه اوتاريخ وقوع الحدث
تانيا كلمه ago تستخدم للدلاله على الماضى البسيط