... question: phủ đònh- Câu phủ đònh tag question: khẳng đònhExamples:1. Peter helped you, didn’t he? 2. You didn’t see him, did you?3. She is a student, doesn’t she?4. They usually go to school on ... anything, nothing, something thì ta dùng đại từ là: itExamples:1. Everything is OK now, isn’t it? 2. Someone had recognized him, hadn’t they?3. Everyone warned you, didn’t they?- Những câu có ... đònh, vì vậy câu hỏi đuôi phải dùng nghi vấn khẳng đònhExamples:1. Nothing was done, was it? 2. No one would object, would they?3. John seldom goes to parties, does he?4. Neither of them...