Question

he isn't late for school的同义句是he什么early for school？

Answer 1

答案: He is early for school.
解析: not late 就是early，也就是一个从反面说或者表达意思，另一个从正面表达意思。相似的例子很多，比如:
He is taller than any other student in his class.
等于
He is the tallest student in his class.
他是班上个子最高的学生。