英语小问题.warn sb to do sth and do sth还是warn sb to do sth and to

英语小问题.warn sb to do sth and do sth还是warn sb to do sth and to warn sb to do sth warn doing 区别 英语翻译是用warn sb.about sth.还是warn sb.not to do ask,tell,want,warn,sb（not） to do sth 用warn sb.not to do sth.造句 有warn sb to do sth 这个词组吗? 可以说warn sb. never to do sth. 嘛? ( ) sb.to do sth. warn sb后跟to do 还是doing make sb.do sth,还是make sb.to do sth. ask sb do sth 还是 ask sb to do sth . have sb do sth 还是 have sb to do sth?