Examples of using "Yapmamıştım" in a sentence and their english translations:
I haven't done that since high school.
I'd never done that before.
I had never done anything like that before.
I haven't done that since high school.
I didn't do that for Tom.
knowing that I had not done everything in my power to make my vision a reality.
I didn't do this on purpose.
I haven't done that since I was twelve.