Ответ:
- It was warm, so I took off my coat.
- The film wasn't very good. I didn't enjoy it very much.
- I knew Sarah was very busy, so I didn't disturb her.
- I was very tired, so I went to bed early.
- The bed was very uncomfortable. I didn't sleep very well.
- Sue wasn't hungry, so she didn't eat anything.
- We went to Kate's house but she wasn't at home.
- It was a funny situation but nobody laughed.
- The window was open and a bird flew into the room.
- The hotel wasn't very expensive. It didn't cost very much.
В утвердительных предложениях использована форма Simple Past, а в отрицательных — didn't + начальная форма глагола. Глагол be имеет форму was/were, а неправильные глаголы имеют формы took, went, flew.
