He has appeared ,的否定句形式是什么啊?

He has appeared ,的否定句形式是什么啊? He has a baseball?的否定句 He has a dog的否定回答 was appeared和has appeared的区别?一般用于什么情况下? He often has lunch at home的否定句 he has finish his homework的否定句 He has a toothache的否定形式,就是改否定句 has的否定形式 He has some friends改为否定句 He has some books.否定句 He has a strawberry.(改为否定句) He has a stomachache.(改为否定句) He has a dream改为否定句 He has some apples改为否定句 He has a toothache.改为否定句. He has gone to Beijing.否定 He has an eraser.变为否定句 He has white hair.改成否定句