Resposta:
1 ) 1. was
2. was
3. was
4. was
5. were
6. was
7. were
8. was
2 ) 1. Our parents were very tired last night
2. This singer was very famous ten years ago
3. The teachers were angry yesterday
4. The weather was horrible last week!
5. Last monday was Kyle's birthday
6.The lessons were interesting yesterday
3 ) 1. Yes, he was
2. No, they weren't
3. Yes, it was
4. No, she wasn't
