Had she revised the lesson carefully, she would have been able to finish the test.

22/24

If she had revised the lesson carefully, she could finish the test.

Not having revised the lesson carefully, she couldn't finish the test.

Although she didn't revise the lesson carefully, she was able to finish the test.

Because she revised the lesson carefully, she was able to finish the test.

Giải thích

Cấu trúc câu điều kiện loại III, dùng để đưa ra giả sử hành động trái với sự thật trong quá khứ: If + S + had + Vp2, S + would/could/might + have + Vp2

Có thể dùng đảo ngữ: Had S + Vp2, S + would/could/might + have + Vp2

Dịch nghĩa: Nếu cô ấy ôn lại bài học cẩn thận, cô ấy đã có thể hoàn thành bài thi.