1. He could repair the broken the vase.
The.vase could be repaired the broken by him
2. Although he had a good salary he was unhappy in his job.
In spite of the fact that he had a good salary, he was unhappy in his job.
3. "Would you like to come round for a drink?" He said.
He invited me to come round for a drink
4. Would you like me to call the police?
I'll call the police if you want