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人教2003课标版《Using LanguageⅠ》PPT课件优质课下载
About Subjunctive Mood 关于虚 拟语气
'IF' Unreal Conditional Sentence IF虚拟条件句
Useful Sentence Patterns 常用 句型
Summury & Homework 总结与作业
Emphasis 重点 :
Useful Sentence Patterns 常用 句型
Difficulty 难点 :
The Tense of 'IF' Unreal Conditional Sentence IF虚拟条 件句的时态
虚拟语气
在英语中，表示说话人所说的话不是事实，而是一种假设、愿望、怀疑或推测，要用虚拟语气。虚拟语气可以用于条件状语从句、主语从句、表语从句、宾语从句等。本节课我们主要学习if条件从句和wish后的宾语从句中表示现在，过去或将来情况的虚拟语气的用法。
一. 虚拟语气用于条件状语从句中
(1) 表示与现在事实相反的假设, 条件 状语从句中的谓语动词用“过去式(be 动词的过去式用were)”, 而主句中的谓语动词“would / should/ could / might + 动词原形”。
虚拟语气
If I were a boy, I would join the army.
If I had a lot of money, I would buy a big house.
If I had a lot of money now, I would travel around the world.
a. If they ____ (be) here, they __________ (take) your advice.
b. If the world-war _____ (burst) out again, what _____________ (happen) to our people on earth?
were
would take
burst
would happen
c. If the policeman ________ (be not) in that room, it ________ (be) very dangerous.
d. If I _____ (be) in your position, I _________ (ask) for teacher’s help.
were not