Odpowiedź:
1. I was on rollercoster
Did you were on rollercoster? Yes, I was.
I didn't go on rollercoster.
2. We were in my brother's room yesterday
Did you go to yours brother's room yesterday? Yes, we were.
We weren't be in my brother's room yesterday.
3. She was in restauration two days ago.
Did she was in restauration two days ago? Yes, she was.
She wasn't be in restauration two days ago.
Wyjaśnienie:
Chyba dobrze, ale nie jestem pewna