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16.6 wish的用法


1)用于wish后面的从句,表示与事实相反的情况,或表示将来不太可能实现的愿望。其宾语从句的动词形式为:

              真实状况 wish后      
从句动作先于主句动词动作  现在时  过去时
(be的过去式为 were)                 
从句动作与主句动作同时发生 过去时  过去完成时

(had + 过去分词)                  
将来不大可能实现的愿望   将来时 would/could +
                   动词原形    

 I wish I were as tall as you. 我希望和你一样高。
 He wished he hadn't said that. 他希望他没讲那样的话。
 I wish it would rain tomorrow. 我希望明天下雨就好了。

2)Wish to do表达法。
  Wish sb / sth to do
  I wish to see the manager. = I want to see the manager.
  I wish the manager to be informed at once. (= I want the manager to be informed at once.)

16.7 比较if only与only if

 

  only if表示"只有";if only则表示"如果……就好了"。If only也可用于陈述语气。
  I wake up only if the alarm clock rings. 只有闹钟响了,我才会醒。
  If only the alarm clock had rung.   当时闹钟响了,就好了。
  If only he comes early.       但愿他早点回来。

16.8 It is (high) time that


  It is (high) time that 后面的从句谓语动词要用过去式或用should加动词原形,但should不可省略。
  It is time that the children went to bed.
  It is high time that the children should go to bed.
1)用于wish后面的从句,表示与事实相反的情况,或表示将来不太可能实现的愿望。其宾语从句的动词形式为:

              真实状况 wish后      
从句动作先于主句动词动作  现在时  过去时
(be的过去式为 were)                 
从句动作与主句动作同时发生 过去时  过去完成时
(had + 过去分词)                  
将来不大可能实现的愿望   将来时 would/could +
                   动词原形    

 I wish I were as tall as you. 我希望和你一样高。
 He wished he hadn't said that. 他希望他没讲那样的话。
 I wish it would rain tomorrow. 我希望明天下雨就好了。

2)Wish to do表达法。
  Wish sb / sth to do
  I wish to see the manager. = I want to see the manager.
  I wish the manager to be informed at once. (= I want the manager to be informed at once.)

16.7 比较if only与only if


  only if表示"只有";if only则表示"如果……就好了"。If only也可用于陈述语气。
  I wake up only if the alarm clock rings. 只有闹钟响了,我才会醒。
  If only the alarm clock had rung.   当时闹钟响了,就好了。
  If only he comes early.       但愿他早点回来。

16.8 It is (high) time that


  It is (high) time that 后面的从句谓语动词要用过去式或用should加动词原形,但should不可省略。
  It is time that the children went to bed.
  It is high time that the children should go to bed


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