1. Was there a sweet under the chair? - Yes, there was.
2. Were there three sweets on the chair? - Yes, there were.
3. Were there two tigers on the box? - Yes, there were.
4. Is there a doll in the bag? - No, there isn't.
5. Are there three boys in the room? - No, there aren't.
1. We were
2. They were
3. We are
4. We go