Động từ trong câu trực tiếp là USED TO, COULD, WOULD, SHOULD, MIGHT, OUGHT TO, HAD TO, HAD BETTER, WOULD RATHER thì ____ ở câu gián tiếp.
Xem đáp án và giải thích
Đáp án đúng là: A. giữ nguyên
Giải thích:
Modal verbs like USED TO, COULD, WOULD, SHOULD, MIGHT, OUGHT TO, HAD TO, HAD BETTER, and WOULD RATHER do not change when converting direct speech to indirect speech because they are already in their past/conditional forms.