I want to have some sandwiches.(改为否定句）

I want to have some sandwiches.(改为否定句） I want to have a picnic tomorrow.(改为否定句) I have some sandwiches.变否定句any要变成some吗? I want some noodles.改为否定句 改为否定句：I want some rice I want some orange 改为否定句 I want some fish.(改为否定句） i want some cakes (改为否定句） I'd like to have some porridge and onion(改为否定句） I___like to There are some sandwiches and milk (改为否定句 I have some bread 改为否定句 I have some cakes.改为否定句