he has a TV改为否定句

he has a TV改为否定句 Mary has a TV(改为否定句) He has a dream改为否定句 He has a stomachache.(改为否定句) He has a toothache.改为否定句. he has a goog pen 改为否定句 He has a ping-pong bat.(改为否定句） HE HAS A NEW PEN.改为否定句怎么改? He has a bat(改为否定句） I think he has a new look.改为否定句 He has a black bag.（改为否定句） He has a Chinese contest in November改为否定句