华慧考博英语语法-虚拟语气

2021-05-17 09:56点击次数:3173

华慧考博英语语法-虚拟语气
虚拟语气在英语翻译之中的译法非常的特殊,这也是其经常会被考到的一个重要原因.在考博英语考试当中,虚拟语气的复杂度较一般的英语考试要更难一些,如何更好地掌握虚拟语气的语法规则,有助于考生的英语复习与考试.下面华慧考博老师就带大家来了解一下虚拟语气的一些主要语法规则:
  • 虚拟条件句:条件状语从句是非真实的情况,即用虚拟语气,分三种情况!
1、条件从句与现在事实不一致
If 主语+过去时,主语+shouldcould, would, might)+动词原形,如:
If I were you, I would study hard.

If it rained, I would not be here now.

2、条件从句与过去事实不一致,句型为:
If 主语+had+过去分词主语+shouldcould, would, might)+have+过去分词如:
If the doctor had come last night, the boy would have saved.
If I had not studied hard, I would have failed in the exam last term.

3、条件从句与将来事实不一致,句型为:
华慧考博英语培训do,主语+shouldcould, would, might)+ 动词原形  
If it should rain tomorrow, we would stay at home.
If I were to go to the moon one day, I could see it with my own eyes.

注意问题:
1. If条件句中绝对不可出现“would”。

2、根据句中的时间状语,有时可能出现“混合虚拟”的情况,即条件句和主句的谓语动词不是同时发生,即错综条件句,虚拟语气的形式做相应调整。
gt;从句的动作与过去事实相反,而主句的动作与现在正在发生的事实不符。
If I had worked hard at school, I would be an engineer, too.
If they had informed us, we would not come here now.
从句的动作与现在事实相反,而主句的动作与过去事实不符。
If he were free today, we would have sent him to Beijing.
If he knew her, he would have greeted her.

3、在条件句中如果出现were, had, should可省去if将主语与这些词倒装,用于书面语。例如:
Had the doctor come last night, the boy would have saved.

Were I to go to the moon one day, I would see it with my own eyes.
Should it rain tomorrow, we would stay at home.

二、名词性虚拟语气:在表示命令、建议要求、惊叹时的名词性从句中。
基本句型:主语+(should)+动词原形
Mother insisted that John go to bed at 9 oclock.(宾语从句)
We suggested(建议)that the meeting should not be held.
It was required that the crops should be harvested at once.(主语从句)
The suggestion that he be invited was rejected.(同位语从句)
That is their demand that their wages be increased.(表语从句)
注意:在这种句子中绝不出现would”“must”“could等。

三、虚拟语气在一些特殊词中的使用或含蓄条件句
1wish后的宾语从句:
1)与现在愿望不一致,主语+过去时
I wish I were you.
  1. 过去愿望不一致,主语+had+过去分词
I wish I had visited the white House when I was in the states.
  1. 未来愿望不一致,主语+wouldcould)+原形
I wish I could meet you tomorrow at the party.
 
2.Its time句型:
华慧考博英语培训

 
Its time that you went to school.
Its time that you should go to school.

3If only引起的感叹句相当于How I wish+宾语从句
If only he could come!  他要能来就好了。

If only I had known the answer!  我要早知答案就好了。

4would rather, as ifthough)引导的句子也需使用虚拟,表示过去的情况用过去完成时,表示现在与将来的情况用过去时如:
Id rather you posted the letter right away.
Id rather you had returned the book yesterday.
She loves the children as if they were hers.
Alan talked about Rome as if he had been there.

5without, but, but for, otherwise引起的短语或句子常暗含着含蓄条件。
Without you, I would never know him.
But for your cooperation, we wouldnt have done the work so well. = If it were not for your cooperation, we wouldnt have done the work so well.
注: without / but for = If it werent not for/ If it hadnt been for ., sb ..

But that she was afraid, she would have said no.
I would be most glad to help you, but I am busy now.
I am busy now; otherwise I would do you the favor!
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