Chuyển các câu dưới đây thành phủ định và nghi vấn

2. They are not watching TV at the moment - Are they watching TV at the moment?

3. Mrs Chung is not teaching English at present. - Is Mrs Chung teaching English at present?

4. Lan and Hoa are not practising speaking Chinese. - Are Lan and Hoa practising speaking Chinese?

5. Mr John is not listening to Pop music in the sitting room. - Is Mr John listening to Pop music in the sitting room?

2. They are watching TV at the moment

   (-) They aren't watching TV at the moment

   (?) Are they watching TV at the moment?

3. Mrs. Chung is teaching English at present

   (-) Mrs. Chung isn't teaching English at present

   (?) Is Mrs. Chung teaching English at present?

4. Lan and Hoa are practising speaking Chinese

   (-) Lan and Hoa aren't practising speaking Chinese

   (?) Are Lan and Hoa practising speaking Chinese?

5. Mr John is listening to Pop music in the sitting - room

   (-) Mr John isn't listening to Pop music in the sitting - room

   (?) Is Mr John listening to Pop music in the sitting - room?

GT:

   Cấu trúc: 

+ Phủ định (-):  S + am / is / are + not + V-ing

+ Nghi vấn (?):  Am / is / are + S + V-ing?   

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