Unit1 Art

Subjunctive Mood

一. 语气的分类 陈述语气 I went to the theatre yesterday. Jack hadn’t come back home yet. 祈使语气 Let’s go. Don’t touch anything on the table until the bell rings

虚拟语气If I were you,I would not leave

her alone.Our teacher suggested that we go to the library this afternoon.

条件句表示主句的条件,分真实条件句

和虚拟条件句 两种。a. 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. 虚拟条件句 表示条件是无法实现或 几乎无法实现的, 采用虚拟语气。2016/2/1

二. ‘if ’虚拟条件句的概 念 由 ‘if’ 引导的虚拟条件句叫作 ‘if’ 虚拟条件句 I could easily recognize if I had seen him before. 其他虚拟条件句 Without your help, I couldn’t have finished my work on time.

三. if Sentence Structure ‘if ’虚拟条件句的结构 a. 表示与现在事实相反 的假设 b. 表示与过去事实相反 的假设 c. 表示与将来事实相反 的假设

虚拟语气1. 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”。

If I were a boy, I would join the army.

What would you

do if you won thelottery? If I won the lottery, I would…

If I won the lottery, I would buy

an expensive car.

If I had a lot of money I would buy a villa.

If I had a lot of money now, I would travel around the world. If it were fine now, I would go shopping.

PRACTICE 1: Fill in the blanks. a. If they were ____ (be) here, they __________ would take (take) your advice. b. If the world-war _____ burst (burst) out

again, what _____________ would happen (happen)to our people on earth?

c. If the policeman ________ were not (be not) inthat room, it ________ could be (be) very dangerous. d. If I were ____ (be) in your position, I _________ would ask (ask) for teacher’s help.

2. 与过去的事实相反 从句的谓语用had+过去分词, 构成If I (we, you, he, they)+had+过去分词的 形式； 主句的谓语用should(第一人称)/would (第二、三人称) /could/might have +动 词过去分词。

If he __________ had driven more carefully, he _________________ would not have had the car accident yesterday.

had learnt how to swim, If I ________

I __________________ would not have been trapped in this island.