有warn sb to do sth 这个词组吗?

有warn sb to do sth 这个词组吗? warn sb to do sth warn doing 区别 用warn sb.not to do sth.造句如题 英语小问题.warn sb to do sth and do sth还是warn sb to do sth and to do sth? His parents have warned him about not working hard.这句话中没有用到warn sb.not to do sth.是因为有about吗? 请问有没有sb warn of sth ask,tell,want,warn,sb（not） to do sth就是不是 not to do sth 的都是这几个 还有别的吗? 与warn sb （not ）to do的类似用法就是ask sb to do sth、tell sb to do sth一类的用法 warn sb.of sth. 有warn sb about sth 么,它与warn sb of sth 有区别么? 有warn sb about sth 么,它与warn sb of sth 有区别么? warn sb后跟to do 还是doing ask sb do sth和ask sb to do sth这两个短语有什么区别? warn sb. against sth 与 warn sb. for sth 用法有什么区别?主要是sth.的区别. warn sb.against (doing)sth. warn sb.of sth造句 有没有make sb.to do sth. 有没有 hear sb to do sth