需要做某事有request to do,require to do 么?

需要做某事有request to do,require to do 么? demand require request后面加DOING还是TO DO require to do 还是 require doing manage to do 有没有"成功做某事"的意思? require sb do 还是require sb to do request sb to do与request to do的区别 request sb.to do造句 require dong 和require sb to do sth的区别 英语动词结构用法求英语的单词用法比如：want to do sth想要做某事need to do sth需要做某事多发点 require加doing还是to do require to do 和 doing的区别 be frightened to do 和be afraid to do不是两个都是“害怕做某事吗”,还是有什么差别