《虚拟语气经典讲解》课件.ppt

;1.英语动词有三种语气， 陈述语气，祈使语气和虚拟语气. 2. 定义：用来表示说的话不是事实，或者是不可能发生或可能性比较小的情况，而是一种愿望，建议，假设的语气叫虚拟语气。;虚拟语气的考点 1、一般条件句中虚拟语气的用法； 2、条件句中虚拟语气的倒装； 3、名词性从句中虚拟语气的用法； 4、状语从句中虚拟语气的用法； 5、几种特殊结构中虚拟语气用法； 6、虚拟语气与陈述语气的判定。;;时 间 ;1. If I had HIV, I would know because I would feel sick. 2. If I were you, I would give AIDS patient a hug. 3. If I had taken your advice, I wouldn’t have made a mistake. 4. If he had been there, it wouldn’t have happened.;;;2、条件句中虚拟语气的倒装； 假设条件虚拟倒装。 条件从句中含有 should，were， had 三个助动词并且放在句首时，可以把if省略。 If I were you, I would give it up. Were I you, I would give it up. If I had had time, I would have run round that lake again. Had I had time, I would have run round that lake again. If there should be a flood, what should we do? a flood, what should we do?;3. 混合(时间错综)型虚拟语气：; without和but for 构成虚拟。(but for要不是); 5. 虚实结合条件句。 She wasn’t feeling very well. Otherwise she wouldn’t have left the meeting so early. He telephoned me to inform me of your birthday, or I would have known nothing about it. I should have returned the book last week, but I was so busy that I forgot to do so. He could have done the work well, but he was so careless. ;;1）wish引导的宾语从句;2）主要是表示坚持，命令、要求、建议的虚拟语气。 一个坚持：insist 两个命令：order, command 三个建议：advise, suggest, propose 四个要求：demand , require, request, desire ;我们建议Tom去休息一下。 他坚决要求我到场。 国王命令囚犯明天要实施死刑。 他们要求我们派他们去那儿工作。; 以上动词相应的名词构成的名词性从句（包括主语从句，表语从句和同位语从句）也要使用虚拟语气。从句中的动词形式一样。 order, advice, suggestion, proposal, demand, request, desire;2. 主语从句 1）It’s necessary /strange/ natural/ important + that --- 从句中的动词要用虚拟，即(should)+动词原形;2）It’s a pity/ no wonder… + that --- 从句中的动词要用虚拟，表示惊讶，遗憾，惋惜等感情色彩，即should+动词原形;名词性从句中的虚拟语气　 A、宾语从句中的虚拟语气　 在动词 suggest, order, demand, request, desire, insist, require, decide, determine, advise, recommend, deserve (值得提及) 后需用 should 型的虚拟语气。 ;B、主语从句中的虚拟语气　 基本句型： It is suggested, ordered, proposed, required, demanded, requested, insisted； + (should) do It is important, necessary, na