When we talk about something that happened in the past, we use the simple past.
To form the past tense of “to be”, we use “was” and “were”.
I was happy.
You were honest.
He was funny.
To form the past tense of “to be” in the negative, we simply add “not”.
I was not happy.
You were not honest.
He was not funny.
Questions with “was” and “were”:
Question: Was I happy? Answer: Yes, I was.
Question: Was he honest? Answer: No, he was not.
Question: Were they late? Answer: Yes, they were.