选修六 1.4《Unit1 art Grammar》.ppt
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1、新课标人教版课件系列,高中英语 选修(模块)6-1.4,2019/11/4,虚拟语气 Subjunctive Mood (I),GRAMMER 语法,陈述语气 I went to the theatre yesterday. Jack hadnt come back home yet. 祈使语气 Lets go. Dont touch anything on the table until the bell rings.,一. 语气的分类,虚拟语气 If I were you,I would not leave her alone. Our teacher suggested that we
2、go to the library this afternoon.,2019/11/4,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。,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 couldnt have finished my work on time.,
3、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,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”。,虚拟语气,If I were a boy, I would join the army.,What would you do if you won the lottery? If I
4、 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.,a. If they _ (be) here, they _ (take) your advice. b. If the world-war _ (
5、burst) out again, what _ (happen) to our people on earth?,were,would take,burst,would happen,PRACTICE 1: Fill in the blanks.,c. If the policeman _ (be not) in that room, it _ (be) very dangerous. d. If I _ (be) in your position, I _ (ask) for teachers help.,were not,could be,were,would ask,2. 与过去的事实
6、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 _ more carefully, he _ the car accident yesterday.,had driven,would not have had,If I _ how to swim,I _ trapped in this island.,had learnt,would not have been,a. If Tom _ (be) mo
7、re careful in the exam, he _ (pass) it already. b. If you _ (get) up earlier, you _ (catch) the first train.,had been,would have passed,had got,would have caught,PRACTICE 2: Fill in the blanks.,c. If I _ (meet) you yesterday, we _ (go) to the concert together.,had met,would have gone,3. 与将来事实相反,从句的谓
8、语用If I (we, you, he, they) 动词过去式或 were to do 或should do 形式, 主句谓语用should(第一人称) /would (第二、三人称) /could/ might 动词原形。,If he got up early,he would be on time.,假如他来了, 我们对他说什么呢?,If he were to come, what should we say to him.,假如他看见我, 就会认识我。,If he should see me, he would know me.,a. If there _ (be) no natura
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