He has some books.否定句

He has some books.否定句 He has some new books.改为否定句是? mary has some books变否定句 He has three books.改为否定句 He read some books(变否定句) My mother likes swimming改为一般疑问句怎么改?He has some books变为否定句 He has got some books and pens.(改为否定句） He has some friends改为否定句 He has some apples改为否定句 She has some books.(改为否定句） Helen has some Chinese story books.(改为否定句） She has some English story books.(否定句）