其一般疑问句的答语,肯定用must,否定用needn't.
Need I go with her? 我需要和他一起去吗?
Yes,you must. 是的,你需要去.
No,you needn't. 不,你不必去.
3.“need”作为实义动词时,通常用法是：
人＋need ＋to do
物＋need ＋doing
物＋need ＋to be done
4.另外,“need”作实义动词时后还可以直接跟名词.请看下面的例子：
It is a question that needs very careful consideration．这是一个需要慎重考虑的问题
很简单的方法区别情态动词与实义动词：当need为情态动词时,意思是“必要”,否定为"needn't",后面大多接动名词,表示动作；
5.当need为实义动词时,意思是“需要”,否定为"don't need",后面大多跟名词.
STH need doing =STH need to be done
啊对了.还有need作名词...意思就是需求.需要..比如 meet one's needs 满足某人需求.用法还有我还复制...
need n.需要, 必需, 必需品, 要求, 贫困the need to do the need of sth.
A friend in need is a friend indeed.
患难见真情.
I am in need of a laptop.我需要一台笔记本电脑.
I am in a crying need for $1,000. 我急需1000块钱