this is my quilt改为否定句,his bag is black.改为一般疑问句May I know you name ,please?改为同义句

问题描述:

this is my quilt改为否定句,his bag is black.改为一般疑问句
May I know you name ,please?改为同义句

this is not my quilt
is his bag black?
would you mind telling me your name?