Need I say it again in English?为什么不在need后面加to?不是need to do sth 么?

问题描述:

Need I say it again in English?为什么不在need后面加to?不是need to do sth 么?

need to do.need是名词,现在他做的是情态动词,怎么判断need是情态动词还是名词呢?问句放在第一个肯定是情态动词啊,人称+need to do