问题描述： 在英语中,怎么判断一个句子用need还是needn't 1个回答 分类：英语 2014-10-02 问题解答： 我来补答 肯定句一般用need to do sth疑问句一般Do you need to do sth/ Does he need to do sth? 或Need you / he do sth?否定句一般用you don't / He doesn't need to do sth.或you needn't do sth反正needn't 只能do,不能 to do,就对了. 展开全文阅读
