Rewrite these sentences, using be+ adjective + (of+ noun/ pronoun) + to-infinitve

Rewrite these sentences, using be+ adjective + (of+ noun/ pronoun) + to-infinitve
1. I learned that I had been promoted. I was delighted
2. He shouldn't press the emergency button. It was stupid
3. Having interests outside work is necessary
4. John gave them 100pound. It was very generous