高中公开课虚拟语气.pptxVIP

GRAMMER 语法虚拟语气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.His teacher suggested that he 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。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 have had dinner with him if he had been here yesterday.其他虚拟条件句Without your help, I couldn’t have made so much progress. 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.If I had a lot of money I would buy a villa.If it were fine now,I would go shopping.a. If they ____ (be) here, they __________ (take) your advice.b. If the world war _____ (burst) out again, what _____________ (happen) to our people on earth?werewould takeburstwould happenc. 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 notcould bewerewould askPRACTICE 1: Fill in the blanks.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 __________ more carefully, he _________________ the car accident yesterday.had driven would not have had If I ________ how to swim then,had learnt I __________________ trapped in that island.would not have been PRACTICE 2: Fill in the blanksa. If Tom ________ (be) more careful in the exam, he ________________ (pass) it already.b. If you _______ (get) up earlier, you ________________ (catch) the first train.had beenwould have passedhad gotwould have caughtc. If I _______ (meet) you yesterday, we ______________ (go) to the concert together.had metwould have gone3. 与将来事实相反从句的谓语用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) /wo