Lucy's quilt is yellow改为否定句

Lucy's quilt is yellow改为否定句 把“Lucy's jacket is yellow.改写为否定句 Is that quilt yellow?做否定回答 ,. The ruler is yellow.(改为否定句) She is Lucy.(改为否定句) She is Lucy.改为否定句 that is notebook（改成一般疑问句） s is Lucy is dictionary?（改为否定句） Is that quilt yellow 怎么该否定回答 The book is blue.改成否定句 yellow,is,and,it,blue,quilt,a 连词成句 this is my quilt改为否定句,his bag is black.改为一般疑问句 That's a yellow jacket.改为否定句 怎么改 it is lucy is dictionary改为一般否定句