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warn的用法  

2014-06-19 15:06:06|  分类: 高频词汇 |  标签: |举报 |字号 订阅

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warn怎么用?warn后该跟哪些词,先看2008年呼和浩特乌兰察布中考试卷中有这样一道题:  There are some dangerous fishes in this river, and I’ve warned Jack ______ here.

  A. not to swim B. to not swim

  C. swim not to D. to swim not

  答案是A。许多考生对这个答案疑惑不解,究其原因是考生对warn后该跟哪些词没有掌握。为此,本人特作如下归纳。

  warn作动词,有“对(人)警告,提醒(某事),告诫”之意,常见用法有:

  1. warn+ n/pron。例如:

  I won’t warn you again.

  我不再警告你了。

  2. warn + n/pron + to do。例如:

  The teacher often warns us to study harder.

  老师常常告诫我们要更加努力地学习。

  Parents often warn their children not to play with fire.

  家长常警告孩子别玩火。

  3. warn + n/pron + of [about] + n。例如:

  The morning paper warned of serious delays at the airport.

  晨报提醒大家注意机场误点情况严重。

  We warned them about the serious situation that they would have to face.

  我们给他们谈了他们要面对的严峻形势。

  4. warn + n/pron + against + doing…/n。例如:

  I was warned against my neighbor.

  别人警告我要提防我的邻居。

  The policeman warned him against crossing the road at that place.

   警察提醒他不要在那个地方横穿马路。

  5. 后接从句,that常省略。例如:

  I warn you it’s going to be very cold.

  我提醒你天气会变得很冷的。

  He warned his students that they would have to work very hard to pass.

  他告诫学生必须非常努力才能通过考试。

  温馨提示:上述用法中有些视情况可相互换用。例如:

  医生告诫那个病人不要抽烟。

  The doctor warned the patient not to smoke.

  = The doctor warned the patient against smoking.

  他被警告说桥上有危险。

  There was danger on the bridge. Someone warned him.

  = Someone warned him of [about] the danger on the bridge.

  = Someone warned him that there was danger on the bridge.

 

 

有关warn的几条重要搭配

1. warn sb against doing sth 告诫某人不要做某事。如:
The doctor warned the patient against smoking. 
医生告诫病人不要抽烟。
The teacher warned the children against playing on the street. 
老师告诫孩子们不要在街上玩。
2. warn sb against [about] sb (sth) 
告诫某人提防某人(某事。如:
He warned us against pickpockets. 
他叫我们提防扒手。
The police have warned shopkeepers about the forged banknotes. 
警察已通知各店主要留意假钞。
3. warn sb of sth 
警告(通知)某人会有某情况。如:
We warned him of the danger. 
我们警告过他有危险。
The teacher warned us of the test. 
老师通知我们要考试。
【注】warn 一般不能接双宾语。上面第一句不能说成:
We warned him the danger.
4. warn sb that-clause 
警告某人……。如:

I have warned him that it is not allowed. 
我警告过他这是不允许的。
Police warned drivers that the roads were icy. 
警方提醒司机路面已结了冰。
We warned her that it would happen. 
我们警告过她会发生这种事。
I warn you that it is dangerous to swim here. 
我警告你,在这里游泳是很危险的。
5. warn sb (not) to do sth 
告诫某人()要做某事。如:
I warned him to be careful. 
我告诫他要小心。
I warned him to stay away. 
我告诫他别靠近。
He warned me not to go out with her. 
他告诫过我不要同她一起出去。
The doctor warned him not to eat oily food after the operation. 
医生告诫他手术后不要吃油腻食物。
比较:He warned me not to going out at night. / He warned me against going out at night. 他叫我不要晚上出去。







2014年06月03日 - sanfecathy - 2014中高考英语园地

 


 

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