For the past tense:
* بود (bood) - This is the most common and basic form of "was" in Farsi.
* بودم (boodam) - This is the first person singular form of "was" (I was).
* بودی (boodi) - This is the second person singular form of "was" (You were).
* بود (bood) - This is the third person singular form of "was" (He/She/It was).
For the past continuous tense:
* در حال بود (dar hal-e bood) - This means "was in the process of" or "was doing"
For the past perfect tense:
* بوده بود (boode bood) - This means "had been"
Example sentences:
* او در خانه بود. (Oo dar khaneh bood.) - He was at home.
* من در مدرسه بودم. (Man dar madreseh boodam.) - I was at school.
* تو در پارک بودی. (Too dar park boodi.) - You were at the park.
* او در حال خواندن بود. (Oo dar hal-e khondan bood.) - He was reading.
* من آنجا بوده بودم. (Man anja boode boodam.) - I had been there.
It's important to consider the context and the tense when choosing the correct translation of "was" in Farsi.