SIMPLE PAST TO BE VERB These sentences are in affirmative. See how they transform to negative. AFFIRMATIVE to NEGATIVE I was in the car at 3:00. I wasn’t in the car at 3:00. You were my students last year. You weren’t my students last year. She was short a few years ago. She wasn’t short a few years ago. They were very expensive. They weren’t very expensive. He was chubby. He wasn’t chubby. We were at home last weekend. We weren’t at home last weekend. It was small as a puppy. It wasn’t small as a puppy.