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would have been的 总结

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would have been的 总结
would have been的 总结
would have + 过去分词的句型在虚拟语气中表达与过去事实相反的情况
从句:If 主语+had+done
主句:主语+should/would/could/might+have done 
例如:
1. If I had got there earlier,I should/could have met her.如果我早到那儿,我就会见到她.  (事实:去晚了)
2.If he had taken my advice,he would not have made such a mistake.如果他听我的劝告的话,就不会犯这样的错误了.  (事实:没有听我的话)
would have been 后面通常都是加形容词,或 a (冠词)+ 名词.
例如:
1.If they had explained the situation,I would have been more understanding.
如果他们(当时)把情况说清楚,我就比较能体谅啦.
2.If you had not warned me,I would have been a victim of this scam.
要不是你(事先)警告了我,我肯定就成了这骗局的受害者啦.