虚拟语气公开课全 ppt课件
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4. Do some exercises about the 3th aim
语气
英语的动词一般可带有三种不同的语气： 陈述语气，祈使语气和虚拟语气。不同 的语气用动词的不同形式（有的还借助 句法形式）来表示。
虚拟语气
虚拟语气的概念
虚拟语气是一种特殊的动词形式， 一是用来表示说话人所说的话不是一个事实，
if虚拟条件句
if虚拟条件句
If+主语+ 动词的过去式 （be动词一般用were)
即：If+一般过去时态 （be动词一般用were)
主句
主语+would ( should / might / could )＋动词原形
1. If I had a great deal of money, I would buy a villa (别墅) for my parents.
if虚拟条件句
if虚拟条件句
主句
1、If+主语+动词过去式
主语+would
2、If+主语+were to+ 动词原形 ( should / might /
3、If+主语+should +动词原形 could )＋动词原形
If I met / were to meet / should meet Obama some day, I would shake hands with him.
与 将 来 事 实 相 反
If I met Obama some day, I would shake hands with him. If I were to meet Obama some day, … If I should meet Obama some day, …
与将来 事实相 反的假 设
if虚拟条件句 表示条件是虚拟的或几 乎无法实现的, 采用虚拟语气。
if 引导的虚拟条件句
①与现在事实相反 ②与过去事实相反 ③与将来事实可能相反
与现在事实相反
If I had a great deal of money, I would buy a villa (别墅) for my parents.
而是一种假设、猜测、怀疑等(常用在条件状 语从句中或让步状语从句中)； 一是表示说话人的愿望、要求、命令、建议 等 (常用在名词性从句中)。 简言之，即：不是事实或不大可能发生的事 情，就用虚拟语气来表述
虚拟语气的常考形式：
1. if 引导的虚拟条件句 2. 名词性从句 3. 固定句式 4. 情态动词表示虚拟 5. 可用可不用虚拟语气的情况
与现在 事实相 反的假 设
与过去 事实相 反的假 设
总结： if虚拟条件句
if虚拟条件句
If+主语+ 动词的过去式 （be动词一般用were)
2. If Tom had learnt how to swim, he would not have been trapped on that island for four years.
3. If he had got up earlier , he could have caught the train.
与现在事实相反
If I were the schoolmaster of Gaocheng No. 1 Middle school, I would let the students get up a little later to get a better sleep.
与现在 事实相 反的假 设
if虚拟条件句
if虚拟条件句
主句
与过去 事实相 反的假 设
If+主语+had +动词的过去分词 即：If+过去完成时态
主语 + would
( should / might / could )＋have done
1. If Yao Jiaxin had driven more carefully, he would not have caused the car accident in May,2009.
if真实条件句用于陈述语气,假设的情况很 有可能发生,其中if是“如果”的意思
if条件从句
一般现在时
主句
will \shall+动词原形 情态动词 + 动词原形
What will you do if it rains tomorrow?
I will sleep at home if it rains tomorrow.
Learning goaБайду номын сангаасs
1. Know what the subjunctive mood refers to
2. Know the different forms of the subjunctive mood
3. Master the structure of the subjunctive mood about “if …”
与过去事实相反
If Tom had learnt how to swim, he would not have been trapped on that island for four years.
与过去事实相反
If he had got up earlier , he could have caught the train.
a. if真实条件句 表示条件是真的或 有可能实现的, 采用陈述语气。
b. if虚拟条件句 表示条件是虚拟的 或几乎无法实现的, 采用虚拟语气。
If we have chances, we can have further cooperation.
If I have another chance, I will visit China again.
2. If I were the schoolmaster of Gaocheng No. 1 Middle school, I would let the students get up a little later to get a better sleep.
与过去事实相反
If Yao Jiaxin had driven more carefully, he would not have caused the car accident in May,2009.
语气
英语的动词一般可带有三种不同的语气： 陈述语气，祈使语气和虚拟语气。不同 的语气用动词的不同形式（有的还借助 句法形式）来表示。
虚拟语气
虚拟语气的概念
虚拟语气是一种特殊的动词形式， 一是用来表示说话人所说的话不是一个事实，
if虚拟条件句
if虚拟条件句
If+主语+ 动词的过去式 （be动词一般用were)
即：If+一般过去时态 （be动词一般用were)
主句
主语+would ( should / might / could )＋动词原形
1. If I had a great deal of money, I would buy a villa (别墅) for my parents.
if虚拟条件句
if虚拟条件句
主句
1、If+主语+动词过去式
主语+would
2、If+主语+were to+ 动词原形 ( should / might /
3、If+主语+should +动词原形 could )＋动词原形
If I met / were to meet / should meet Obama some day, I would shake hands with him.
与 将 来 事 实 相 反
If I met Obama some day, I would shake hands with him. If I were to meet Obama some day, … If I should meet Obama some day, …
与将来 事实相 反的假 设
if虚拟条件句 表示条件是虚拟的或几 乎无法实现的, 采用虚拟语气。
if 引导的虚拟条件句
①与现在事实相反 ②与过去事实相反 ③与将来事实可能相反
与现在事实相反
If I had a great deal of money, I would buy a villa (别墅) for my parents.
而是一种假设、猜测、怀疑等(常用在条件状 语从句中或让步状语从句中)； 一是表示说话人的愿望、要求、命令、建议 等 (常用在名词性从句中)。 简言之，即：不是事实或不大可能发生的事 情，就用虚拟语气来表述
虚拟语气的常考形式：
1. if 引导的虚拟条件句 2. 名词性从句 3. 固定句式 4. 情态动词表示虚拟 5. 可用可不用虚拟语气的情况
与现在 事实相 反的假 设
与过去 事实相 反的假 设
总结： if虚拟条件句
if虚拟条件句
If+主语+ 动词的过去式 （be动词一般用were)
2. If Tom had learnt how to swim, he would not have been trapped on that island for four years.
3. If he had got up earlier , he could have caught the train.
与现在事实相反
If I were the schoolmaster of Gaocheng No. 1 Middle school, I would let the students get up a little later to get a better sleep.
与现在 事实相 反的假 设
if虚拟条件句
if虚拟条件句
主句
与过去 事实相 反的假 设
If+主语+had +动词的过去分词 即：If+过去完成时态
主语 + would
( should / might / could )＋have done
1. If Yao Jiaxin had driven more carefully, he would not have caused the car accident in May,2009.
if真实条件句用于陈述语气,假设的情况很 有可能发生,其中if是“如果”的意思
if条件从句
一般现在时
主句
will \shall+动词原形 情态动词 + 动词原形
What will you do if it rains tomorrow?
I will sleep at home if it rains tomorrow.
Learning goaБайду номын сангаасs
1. Know what the subjunctive mood refers to
2. Know the different forms of the subjunctive mood
3. Master the structure of the subjunctive mood about “if …”
与过去事实相反
If Tom had learnt how to swim, he would not have been trapped on that island for four years.
与过去事实相反
If he had got up earlier , he could have caught the train.
a. if真实条件句 表示条件是真的或 有可能实现的, 采用陈述语气。
b. if虚拟条件句 表示条件是虚拟的 或几乎无法实现的, 采用虚拟语气。
If we have chances, we can have further cooperation.
If I have another chance, I will visit China again.
2. If I were the schoolmaster of Gaocheng No. 1 Middle school, I would let the students get up a little later to get a better sleep.
与过去事实相反
If Yao Jiaxin had driven more carefully, he would not have caused the car accident in May,2009.