请说出下列句子中need用作情态动词还是行为动词1)He needs to come early.( )2)Does he need to know this now?( )3)Need I write the letter now ( )4)You don't need to tell him the news.( )

问题描述:

请说出下列句子中need用作情态动词还是行为动词
1)He needs to come early.( )
2)Does he need to know this now?( )
3)Need I write the letter now ( )
4)You don't need to tell him the news.( )

3)是情态动词用法 其他皆为行为东西

在有do的情况下是情态动词

1和3是情态动词