改为否定句{This dog is thinner than that one.{Mike runs faster than some of the boys in his class.

题目

改为否定句{This dog is thinner than that one.{Mike runs faster than some of the boys in his class.
还有
It was Sports Day at school.
都改为否定句.

答案

陈述句改否定句其实就是在助动词或情态动词后面加not
This dog is not(isn't) thinner than that one.
Mike does not(doesn't) run faster than some of the boys in his class.
It was not (wasn't) Sports Day at school.