按要求改写句子My new dress is 【green】对划线部分提问his tie is blue变为一般疑问句t

My new dress is 【green】对划线部分提问
What colour is your new dress?
his tie is blue变为一般疑问句
Is his tie blue?
that is a nice skirt变为否定句
That isn't a nice skirt.
【her dress】is new对划线部分提问
What is new?
my mother's coat is white变为否定句
My mother's coat isn't white.

这是两个我会的，呵呵