i don't need to finish 为什么加to,need否定还用to?

i don't need to finish 为什么加to,need否定还用to? don't need to I don t need to know YOU don't need to ``````` you don't need to don't need to understand 什么是实意动词need 有两种形式1.need to do sth.否定：don't need to do sth.2. 用have to,has to,need't,don't need to,填空. （- 、 I just need somebody to love （ i don`t need to more ） j I don't need anyone to understand me,the more don't need any don‘t need和don’t need to的区别 请写清为什么 don't need to 和needn't