I 1. They proved the case against him. 2. They found the car later in the middle of Wales. 3. Somebody had removed the numberplates. 4. Somebody had seen him driving a mechanical digger. 5. The police fined Mr and Mrs Dawn each 100 pounds.
II 1. What a dreadful noise! It sounds as if a pig is being killed by someone! 2. That old house will have to be pulled down. 3. The flight may have been cancelled. 4. I always used to be woken up by by someone at 5.30 when I was in the army. 5. The post is delivered very early in the morning.