陈述句改为否定句：The boy is showing me a new pencil sharpener.

陈述句改为否定句：The boy is showing me a new pencil sharpener. This is his pencil sharpener 改为一般疑问句和否定句怎么改? My mother is showing the new clothes to me.怎么改为同义句? It's my pencil sharpener.改为否定句． It is my pencil sharpener.变为否定句_____________________________ Are you speaking to me?改为否定陈述句 The little boy is sweeping th 将"The boy is buying a new bike"改为否定句和疑问句及肯定和否定回答 This is a pencil sharpener.(改为一般疑问句) Is that pencil new?改为肯定句 look at this cat.(改为否定句） I want the 请问这句英语怎样解释:"Betty,is that you pencil sharpener in the lost a there is a pencil sharpener on the desk改成疑问句 He is a boy 改为否定句