need sb to do和need sb doing有什么区别?两个都正确吧?

need sb to do和need sb doing有什么区别?两个都正确吧? need sb do sth还是need sb to do sth?有什么区别 英语need doing和need to do有什么区别 need doing = need to be 它和need to do有什么区别 see sb doing和see sb do有什么区别 有没有need sb.to do need sb.to do sth.可不可以换成need sb.doing sth. get sb to do sth 和 get sb doing sth有什么区别 get sb to do sth 和get sb doing sth 有什么区别? teach sb doing sth和teach sb to do sth有什么区别 persuade sb to do sth 和talk/persuade sb into doing有什么区别吗? GET SB TO DO 和GET SB DOING 有什么区别吗?