`III`.
1. If Charles and his brother were not exactly alike in appearance, I could recognize them.
Câu điều kiện loại 2: If + S + Ved/V2, S + would/could/might...+ V.
2. I'll think it over and give you an answer next week.
Think over: cân nhắc cẩn thận
3. Despite not being qualified for the job, he has had much practical experience.
Despite + N/V-ing: mặc dù
4. You can play tennis for free here, provided that you book in advance.
Provide that + mệnh đề: chỉ cần
5. They went to sleep after they had eaten dinner.
After + S + had + PII.
6. This is by far the worst hotel we have (ever) stayed
By far + so sánh nhất.