07 虚拟语气-2021高考英语一轮语法点及题型讲解课件 (共18张PPT)

虚拟语气 课程纲要 什么是虚拟语气 虚拟语气的一般if形式 （对过去，现在， 将来发生事情的虚拟） 虚拟语气的非if 形式 内容小结 课堂练习 2017北京高考 1. If the new safety system__ to use, the accident would never have happened. A. had been put B. were put c. should be put D. would be put 2. If I ___ it with my own eyes, I wouldn’t have believed it. A. didn’t see B. weren’t seeing C. wouldn’t see D. hadn’t seen 什么是虚拟语气 我如果有百万现金，我一定让我的小狗也住进豪宅！ 可是，我什么时候才能赚到百万现金呢啊 虚拟语气：用来表示假想， 而不表示客观存在的事实！ 是个极有可能无法实现的假想（与现实相反） 从句 主句 例句 与现在事实相反的假设 If+主语+动词的过去式（be 动词用were） 主语+should/would /could/might+动词原型 If I were you, I should seize the chance to go abroad. 与过去事实相反的假设 If+主语+had+过去分词 主语+should/would /could/might+过去分词 If you had taken my advice, you would not have failed in the exams. 与将来事实相反的假设 If+主语+动词的过去式 If+主语+were to+动原 If+主语+should+动原 主语+should/would /could/might+动词原型 If he should not come tomorrow, we would put off the meeting till next Monday. 虚拟语气最常见形式（if引导的条件状语从句） 从句 主句 例句 If（过去）， 主（现在） 注：与现在 事实相反的假设 If+主语+had+过去分词 主语+should/would /could/might+动词原型 If you had just followed my advice, you would be beter now. If（现在）， 主（将来） 注：与将来 事实相反的假设 If+主语+动词的过去式（be 动词用were） 主语+should/would /could/might+动词原型 If I were you, I should seize the chance to go abroad in the nearest future. 注意：根据题意，对主从句各自情况选用相应的谓语动词形式 常见的两种形式： 虚拟语气最常见形式（if引导的条件状语从句之错综时间） 〖10湖南〗If he__my advice, he wouldn't have lost his job. A. followed B. should follow C. had followed D. would follow 〖10天津〗John went to the hospital alone. If he _me about it, I would have gone with him. A. should tell B. tells C. told D. had told 〖10陕西〗If we ___ the other road, we might have arrived here in time for the meeting. A. take B. had taken C. took D. have taken 〖10北京〗--The weather has been very hot and dry. --Yes. If it had rained even a drop, things would be much better now! And my vegetables__. A. wouldn't die B. didn't die