... Note: 1.có thể tạo câu điều kiện việc bỏ IF, chuyển Had ( III) ; were( II) lên đầu câu IF = provided( that), on condition ( that), as long as , * suppose, ... aren’t I ? let’s go , shall we? 2.Những câu văn có từ mang nghĩa phủ định : Neither, no , noone, nobody, nothing , scarcely , barely, hardly ever, seldom… Có câu hỏi đuôi khẳng định Ex: no salt is ... allowed , is it? Khi S = anyone, no one , anybody, nobody, none , neither - dung “ they” làm S câu hỏi đuôi Ex : Everyone had recognized him , hadn’t they? Would rather/ sooner 1.would rather...