need 的意思是“需要”,既可以是情态动词,也可以是实意动词。如果是情态动词,否定式就是 need not 或 needn't;如果是实意动词,否定形式就是 don't/doesn't need(现在时态)或 didn't need(过去时态)。举例:
You need do it. (情态动词)
You need to do it. (实意动词)
你需要做这件事。
相应的否定式为:
You need not/needn't do it. (情态动词)
You don't need to do it. (实意动词)
注意:
1. need 是实意动词时,可以直接接名词或代词作宾语。举例:
I need you. 我需要你。
2. 情态动词 must(必须)的否定式可以用 needn't(不必)。这种情况下,must 的否定式不可以是 mustn't。举例:
—— Must I do it? 我必须做吗?
—— No, you needn't. 不,你没必要做。
通俗易懂,讲得真好!
老薛 回复 @1510320qnaa: 谢谢!
need的否定式do not need或needn't
讲的很好,点赞
老薛 回复 @侯丁卉诵读:
打卡学习!谢谢老师
喜欢老师讲课
老薛 回复 @你说我听_ex: 🙏🙏🙏
李商隐就是和牛党和李党都亲密,结果被两边都排挤,那need……
老师,你没必要做可以说是 you doesn't have to do 吗?
苹果吃香蕉 回复 @听友186245725: 呵呵🤭
打卡
苹果吃香蕉 回复 @Timable: 自己点赞
thank you teaching me to English!
老师讲的真好
老薛 回复 @Fly王腾达94: 🙏🙏🙏