题目内容：

可以说warn sb. never to do sth. 嘛?
原题是Mrs. Smith warned her daughter ___________ after drinking.
A. never to drive B. to never drive
C. never driving D. never drive

优质解答

warn sb to do sth提醒某人做某事
warn sb.not to do sth...警告某人不要做某事
网上有这个题目的：
3）Mrs.Smith warned her daughter ___ after drinking.
A.never to drive B.to never driver
C.never driving D.never drive
答案：A.warn sb to do sth.的否定形式为warn sb not to do sth.此处用的是否定词never.