warn有提醒，警告;告诫（不要做…）;等意思，那么你知道warn的过去式是什么吗?下面一起来学习一下warn的过去式以及warn的用法和例句，希望对大家的学习有所帮助!
warn的过去式及其它时态
warn的过去式:warned
warn过去分词:warned
warn现在分词:warning
warn第三人称单数:warns
warn的用法和例句
1、Signs across the entrances warn all visitors to stub out their cigarettes.
入口处的告示牌提醒游客们熄灭香烟。
2、I must warn you against raising your hopes.
我必须警告你不要期望过高。
3、Did he warn you that he might be late?
他有没有预先告诉你他可能会迟到?
4、We are going to Warn theatre.
我们准备去华纳剧院.
5、Bicycle Bells were ringing all the way to warn pedestrians to move out of their way.
自行车铃声一路响着,警告行人让路.
6、Soon an official appeared to warn them away.
很快一位官员出来劝告他们离开。
7、It was thoughtful of you to warn me of your arrival.
你来之前先通知我,真是考虑得很周到.
8、I warn you to have nothing to do with it.
我警告你们不要去招惹它.
9、Analysts warn us away from drawing any conclusions.
分析家劝告我们不要妄下结论。
10、She was angry that there was no sign put up to warn people about the hole.
她很生气为什么没人设立标志来提醒行人这里有个洞.
