Needn't和don't need to的区别
1个回答

need有两种用法,一种是情态动词(need do)一种是实义动词(need to do)

那么当情态动词时否定就是needn't do实义动词时就是don't need to do

举个例子:

你不需要上学.

第一种:You needn't go to school

第二种:You don't need to go to school.