Module 6 The World’s Cultural HeritagePeriod 3 Grammar -- Subjunctive■Goals● To master the usage of the subjunctive mood● To consolidate by practising■ProceduresStep 1: Subjunctive1. 虚拟语气英语中动词一般有三种不同的语气：陈述语气、祈使语气和虚拟语气，不同的语气用不同的形式来表示。 陈述语气：用来陈述事实，描述状态，有肯定，否定，疑问，或感叹等形式。如：People don’t hibernate./Are you listening to the radio？祈使语气：用来表示请求、命令、建议或劝告等。如：Sit down, please./ Let me have a try.虚拟语气：表示说的话不是事实，或者是不可能发生的情况，而是一种愿望、建议或与事实相反的假设，一般用于正式的书面语。 2. 虚拟语气的用法：1）虚拟语气在条件句中的用法:1 表示与现在事实相反,谓语动词的主要形式如下: 非真实条件句主句动词的过去式 （ be 的过去式用 were ）would{should, could, might} +动词原形We would go with you if we had time. If I were you, I would consider their plan.If I knew this telephone number, I would ring him up. 注意: should 多用于第一人称后。在非正式场合中，特别是在口语中，第一、二人称中单数现在用 was 的也不少。If he was here, we could ask him. 2 表示和过去事实相反，谓语动词的主要形式如下：If he had seen you yesterday, he would have asked you about it.If you had come earlier, you might have met him.If I had known your telephone number, I would have called you.If I hadn’t taken your advice, I would have made a bad mistake.You wouldn’t have caught a cold if you had put on more clothes.3 表示和将来事实相反，谓语动词的主要形式如下： If it should rain, the crops would be saved.If it were to snow tomorrow, they wouldn’t go out.If I were to do it, I would do it in a different way.If he got there this afternoon, he would buy a map of the city.用心 爱心 专心非真实条件句主句had+过去分词would{should, could, might} +have done非真实条件句主句should /were to+ 动词原...
