高中英语语法:常见虚拟语气

2025-01-21 17:50:27
推荐回答(1个)
回答1:

  高中英语经常会遇到虚拟语句,我们就要掌握常见的虚拟语句语法,下面我就同大家整理高高中英语语法:常见虚拟语气,希望有所帮助!

   一、虚拟语气的概念

  虚拟语气包含两种:一种指与事实相反或不可能发生。“虚拟条件句+虚拟主句”的结构都属于这一类;even if、even though、as if、as though引导的状语中如果需要用到虚拟语气也属于这一类;wish、would rather后面接的宾语从句表示不可能实现的愿望,还是属于这一类。

  另一种指与事实实际是否发生没有直接关系。如suggest、order、demand等表示建议、命令、要求等相关的名词性从句都属于这一类。

   二、名词性从句中的虚拟语气

  1.表达和建议、要求、命令、主张等含义相关的名词性从句,一律用主语+should+动词原形(should可以省略)结构。具体涉及到这些动词以及它们的名词形式:

  一坚持(主张):insist

  二命令:order,command

  三要求:require,request,demand

  四建议:suggest,advise,propose,recommend

  2.表示重要性、必要性、吃惊等时,一律用it is+形容词+that+主语+should+动词原形(should可以省略)结构。

  3. ① wish 后面所跟的宾语从句,其谓语动词用虚拟语气(意为“要是/但愿…就好了”),其形式主要有三种:表示对现在情况的虚拟:wish+一般过去时的宾语从句;表示对过去情况的虚拟:wish+ 过去完成时的宾语从句;表示对将来情况的虚拟:wish+would/could+动词原形。

  if only 后接从句也用虚拟语气,其形式与wish的用法一致。

  ② would rather 后面所跟的宾语从句,其谓语动词用虚拟语气(意为“宁愿......”),其形式主要有两种:表示对现在/将来情况的虚拟:wish+一般过去时的宾语从句;表示对过去情况的虚拟:wish+ 过去完成时的宾语从句

   三、虚拟条件句中的虚拟语气

  1.表示与现在事实相反的情况

  从句:If+主语+did(be动词用were)

  主句:主语+ should/would/might/could+do

  2.表示与过去事实相反的情况

  从句:If+主语+had+done

  主句:主语+should/would/might/could+have done

  3.表示与将来事实相反的情况

  从句:①if+主语+were to do

  ②if+主语+should+do

  ③if+主语+过去式(be动词用were)

  主句:主语+should/would/might/could+do

   四、 其它 从句中的虚拟语气

  1.虚拟语气用在状语从句中

  ① 由as if 或 as though 所引导的方式状浯从句,若从句与事实相反,则要用虚拟语气。其形式如下:

  ② 由 even if 或 even though 所引导的让步状语从句,若从句与事实相反,则从句和主句都要用虚拟语气。

  2.虚拟语气用在定语从句中

相关 文章 :

1.

2. 高中英语语法大全

3. 英语语法中虚拟语气(虚拟句)介绍

4. 高一英语语法大全

5. 薄冰高中英语语法详解

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