11. Nam is not here. He can't give you any advice.

• If Nam were here, he could give you some advice. (Nếu Nam ở đây, anh ấy có thể cho bạn một số lời khuyên.)

12. The weather was really bad. We couldn't go sightseeing as planned.

• If the weather hadn't been so bad, we could have gone sightseeing as planned. (Nếu thời tiết không quá xấu, chúng ta đã có thể đi tham quan như kế hoạch.)

13. She had an impressive performance at the interview. She was offered the job.

• But for her impressive performance at the interview, she wouldn't have been offered the job. (Nếu không có màn trình diễn ấn tượng tại buổi phỏng vấn, cô ấy đã không được nhận công việc.)

14. If I were you, I would apply for that job.

• Were I you, I would apply for that job. (Cấu trúc đảo ngữ, nhấn mạnh điều kiện)

15. If the weather is nice, we will go out tomorrow.

• Should the weather be nice, we will go out tomorrow. (Cấu trúc đảo ngữ, nhấn mạnh điều kiện)