need to fix,need fixing,need fixed有什么不同?

need to fix,need fixing,need fixed有什么不同? A.fix B.fixing C.fixed D.to fix need to do sth,need do sth.needn`t do sth和don`t need有什么不同! I need 和 I need to be.在意义上有什么不同? needn't 和 don't need to 有什么不同? need doing 和 need to be done有什么区别? need 与need to有什么区别啊 英语need doing和need to do有什么区别 need working 和 need to work ,need to be worked 有什么区别 need doing = need to be 它和need to do有什么区别 need want和need有什么不同?