黑龙江省宁安市东京城林业局第三中学高中英语 Module 5 Cloning Function ；Grammar 学案 外研版选修 6学习目标： 阅读 P60，P62, P63 学习虚拟语气。高考链接： 了解虚拟语气在高考中的考察。学习过程I. 应用条件在表示虚假的、与事实相反的或难以实现的情况时用虚拟语气，表示主观愿望或某种强烈情感时，也用虚拟语气。II．条件状语从句条件句可分为两类：一类为真实条件句，一类为非真实条件句。非真实条件句表示的是假设或实际可能性不大的情况，故采用虚拟语气。If he doesn't hurry up, he will miss the bus.如果他不快点，他将错过巴士。( 真实)If there were no air, people would die.如果没有空气，人就会死亡。（不可能没有空气。非真实，虚拟语气）III．用法及动词形式一、表示与现在事实相反的情况：从句：If 主语+ 过去时(Be 动词用 were) 主句：主语+ should/would/could/ might + do1．If I were you, I would take an umbrella.如果我是你，我会带把伞。（事实：我不可能是你）2．If I knew his telephone number, I would tell you.如果我知道他的电话号码，我就会告诉你。（事实：不知道）3．If there were no air or water, there would be no living things on the earth.如果没有水和空气，地球上就不会有生物。(事实：地球上既有空气也有水)注意：一般在虚拟条件句中无论是第几人称，用到系动词的过去式时，只用 were 而不用 was。二、表示与过去事实相反的情况从句：If 主语+ had+ done 主句：主语+should/would/could/ might + have doneIf I had got there earlier, I should/could have met her. 如果我早到那儿，我就会见到她。2．If he had taken my advice, he would not have made such a mistake.如果他听我的劝告的话，就不会犯这样的错误了。3．she looked at me as if I had been a stranger. 她看我的样子好像我是一个陌生人。三、表示对将来情况的主观推测主句：主语+ should + do 从句：① if+主语+were to do② if+主语+should/would/could/ might + do ③ if+主语+did（动词过去式）/ were1．If he should come here tomorrow, I would talk to him.如果他明天来这儿的话，我就跟他谈谈。（事实：来的可能性很小）2．If there were a heavy snow...
