The verb "be" is also irregular in the Simple Past. Unlike other irregular verbs, there are two Simple Past forms: "was" and "were." It also has different question forms and negative forms. Always remember that you DO NOT use "did" with the verb "be" in the Simple Past.
1. I was home last night.
2. I was today in the park.
3. I was waiting for you.
4. Me and my friends were at the McDonald's.
5. You were very beautiful at the concert.
6. She was laughing all the time.
7. It was a wonderful day.
8. He was not playing football.
9. She was dancing in the moon light.
10. You were a great team player.