Question 10: I think you should stop smoking. If I am you, I will stop

Question 10: I think you should stop smoking.

• A. If I am you, I will stop smoking.
• B. If I were you, I will stop smoking.
• C. If I were you, I would stop smoking.
• D. If I had been you, I would stop smoking.

A. If I am you, I will stop smoking.→ Không dùng câu điều kiện loại 1. 
B. If I were you, I will stop smoking. → Sai cấu trúc câu điều kiện loại 2.
C. If I were you, I would stop smoking. → Cấu trúc câu điều kiện loại 2: If + S + V(quá khứ), S + would/could/might + V(nguyên mẫu)
D. If I had been you, I would stop smoking.→ Sai cấu trúc câu điều kiện loại 2.