`1.` He could repair the broken vase.
`->`The broken vase could be repaired.
`2.` Although he had a good salary he was unhappy in his job.
`->`In spite of good salary, he was unhappy in his job.
- Although + S + V -> In spite of/ despite + a/an/ the + ADJ + N
`3. `“Would you like to come round for a drink?” He said.
`->`He invited me to come round for a drink.
- Câu tường thuật
`4`Would you like me to call the police?
`->`I’ll call the police if you like.