It Is a red car .改成否定句.
问题描述：
It Is a red car .改成否定句.
答
it isn't a red car
is是be动词，在他后面加not就是否定句
答
It is not a red car.
答
It is a red car.这时一辆红色的车.
否定句：It is not a red car.这不是一辆红色的车.
答
it isn't a red car . 希望能帮助到您额嘻嘻