虚拟语气27895.ppt

Useful structure ( 20ms ) Revision: The subjunctive mood 虚拟语气 1. 与现在情况相反的假设 If everyone knew first aid, many lives would be saved. (If) did , would do ( should / could / might ) If I________(be) you,I would go to the cinema tonight. If you saw the film,you __________ ( be) very excited. If they________ (come) ,we could go there together. If we _______ ( go ) together,we would have a good time. If I _______ (have ) enough money, I could buy a new house. * The Subjunctive Mood I. 概念: II. 形式: 虚拟语气的动词形式在条件状语从句中, 其 主从句形式有较固定的形式要求(见III.用法1),在 名词性从句中多用should +原形, 在定语从句, wish后面所接的宾语从句, 以及其它状语从句 中用过去时. 语气是用来表示谈话人的态度和看法的动词形式. 英语有三种语气: ①陈述语气(同陈述句)②祈使语气(同祈使句), ③虚拟语气. 虚拟语气不表示一个事实,而是表示一种假设情况. 策划：《学生双语报》 III. 用法: 1. 用于条件状语从句中: 主从 句 构 成 时态 虚拟条件 从句 主 句 例 句 与现在事实相反的 假设 与过去事实相反的 假设 If + 主语 + 动词过去时 (be用 were) 主语 + would/ should/could/ might + 动词 原形 If I had time, I would attend the meeting. If + 主语 + had +过去分词 主语 + would/ should/could/ might + have + 过去分词 If you had taken my advice, you’d have passed the exam. 策划：《学生双语报》 主从 句 构 成 虚拟条件 从句 主 句 例 句 与将来情况相反的 假设 ①If + 主语 + 动词的过去时 ② If + 主语 + were to + 动词原形 ③ If + 主语 + should + 动词原形 主语 + would/ should/ could/ might + 动词原形 If you came tomorrow, we would have the meeting. If it were to rain tomorrow, we would put off the sports meeting. If he should not come tomorrow, we would put off the meeting till next week. 时态 Practice: Fill in the blanks with proper forms: He _________ (tell) you if he ______ (know), I’m sure. 2. If I ____ (have) more time, I ___________ (learn) another foreign language. 3. If he ______ (be) here, he __________ (show) us how to perform the experiment. 4. If I ______ (be) you, I _________ (pay) more attention to English idioms. 5. I ___________ (help) you if I ______ (can). 6. If I ____________ (receive) your e-mail, I ______ _____________