requiretobe与requirebeing哪个对不是有requiredoing这种用法吗为何不可requirebeing

问题：requiretobe与requirebeing哪个对不是有requiredoing这种用法吗为何不可requirebeing

答案：↓↓↓

崔远海的回答：

网友采纳　　requiredoing是用动名词形式表示被动意义.例如：　　Themechinerequiresfixing.=　　require后接不定式,主语通常是物,而不是人.且应为：requiretobedone.　　Theroomrequirestobecleaned.=Theroomrequirescleaning.　　此外还有requiresb.todosth.要求某人干某事.　　Mymotherrequiresmetogetupearlyeverymorning.