1）I have some white paper.(否定句）

1）I have some white paper.(否定句） can I have some paper?改为否定句 I have some flour.（改为否定句） I have some apples.（改否定句） I have some water.(改为否定句） I have some peaches and pears .(改为否定句） I have some brothers.(改为否定句） I have got some books.(改为否定句） I want to have some sandwiches.(改为否定句） they have some comeras?(否定句） have some water(否定句） I’m reading a morning paper.（改为否定句）