Question

my+mother+is+hat+is+orange改为否定句？

Answer 1

您好，你这里有两个is 语法不对，is改为‘s(名词所有格)

肯定句：My mother's hat is orange 

否定句：My mother's hat isn't orange

望采纳，谢谢

Answer 2

这个句子应该是My mother's hat is orange.
改为否定句后，就是：My mother's hat isn't orange.

Answer 3

My mother's hat is not orange.