Had they listened to their parents’ advice, they _____________ happier now.
A. would be
B. am
C. will be
D. would have been
Chọn đáp án A
Kiến thức về câu điều kiện
- Loại 1: If + S+ V (hiện tại), S + will/may/can… + V (infinitive)
- Loại 2: If + S + V(ed), S + would/might/could… + V (infinitive)
- Loại 3: If + S + had + V(ed/ PII), S + would/might/could… + have + V(ed/ PII).
* Lưu ý 2 cấu trúc câu điều kiện hỗn hợp:
- Loại 3-2: dùng khi nói về một giả thiết trái với quá khứ nhưng kết qủa còn diễn ra ở hiện tại. (trong mệnh đề kết quả thường có dấu hiệu thời gian ở hiện tại.)
If + S + had + V(ed/ PII), S + would/might/could… + V.
- Loại 2-3: dùng khi nói về một giả thiết trái với hiện tại nhưng kết quả trái với sự thật ở quá khứ. (trong mệnh đề kết quả thường có dấu hiệu ở quá khứ.)
If + S + V(ed), S + would/might/could… + have + V(ed/ PII).
Xét các đáp án:
A. would be -> đúng vì giả thiết trái với quá khứ nhưng kết quả diễn ra ở hiện tại (có trạng từ now) nên dùng cấu trúc điều kiện 3-2
B. am -> không đúng cấu trúc
C. will be -> không đúng cấu trúc
D. would have been -> không đúng vì kết quả diễn ra ở hiện tại nên phải dùng câu điều kiện 3-2
Tạm dịch: Nếu như họ đã nghe theo lời khuyên của bố mẹ họ, thì bây giờ họ đã hạnh phúc hơn.
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- “_____________________.”
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