Question

[Lê Quỳnh Anh]

I didn’t know you were coming, so I didn’t wait for you.

A. If I had known you were coming, I wouldn’t have waited for you.

B. I would have waited for you if I knew you were coming.

C. If I had know you were coming, I would wait for you.

D. Had I known you were coming, I would have waited for you.

Answer 1

[Dương Hoàn Anh]

Đáp án D

Câu điều kiện loại 3: If S had PII, S would have PII => Dạng đảo ngữ: Had S PII, S would have PII Chỉ một giả định không có thật trong quá khứ.