Helen has some Chinese story 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） She has some books.(改为否定句） I have some story-books.改为否定句 He has some new books.改为否定句是? Helen usually has a birthday party .（改为否定句） He has got some books and pens.(改为否定句） These are Chinese books(改为否定句） there are Chinese books.改为否定句 Alice has many story books.（否定） He has some books.否定句 mary has some books变否定句