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虚拟语气学案自编.doc

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    • —————内部资料 妥善保管 切勿外传——————】【人教版选修六语法之——】虚拟语气Subjective Mood【学习目标】(1) 认识英语中三种语气的表达2) 重点学习虚拟语气的用法,从时间上认识虚拟语气的各种表达形式3) 了解虚拟语气在各类从句中的用法与效果知识归纳】(让我们构建本课知识树)【探索新知】————虚拟语气(Subjective Mood)一. 语气(mood)(1) 语气的定义:语气是动词的一种形式,表示说话人对某一行为或事情的看法或态度2) 语气的种类:语气包括陈述语气,祈使语气和虚拟语气三类Let’s take a quiz 判断以下各句分别是什么语气?① There are two sides to every question.② Will you please lend me your dictionary?③ If I were a bird, I could fly in the air.分析①句不难看出:①句是陈述语气,表示动作或状态是现实的,确定的或符合事实的,用于陈述句,疑问句和某些感叹句①句句意:每个问题都有两面性分析②句不难看出,②句是祈使语气,表示说话人对对方的请求或命令,其陈述形式是我们熟悉的祈使句。

      ②句句意:我可以借用一下你的字典吗?分析③句不难看出,③句是虚拟语气,表示所说的不是真实,或者不可能发生的情况,而是一种假设,愿望或建议③句句意:如果我是一只鸟,我就可以在空中飞了二.虚拟语气的用法虚拟语气:虚拟语气表示表示所说的不是真实,或者不可能发生的情况,而是一种假设,愿望或建议我们学习虚拟语气,常和情态动词进行结合,放在从句的知识当中去运用所以,虚拟语气是我们之前所学内容的扩充,要注意知识的连续性,温故知新,才能熟练掌握一) 状语从句中的虚拟语气1)条件状语从句中的虚拟语气要根据时间的不同来选择不同的情况熟记这个表格!)三种相反的情况主句从句与过去事实相反情况的假设与现在事实相反情况的假设与将来事实相反情况的假设在掌握这个表格的基础上,我们来看几个例句:(在括号中写出例句相反的情况)① If I were you, I would go there at once. ( )② If my classmates saw me, they would laugh at me. ( )③ If you had come here earlier, you would have seen our manager. ( )④ If it should rain tomorrow, we would have a rest. ( )在掌握以上例句的基础上,试着自己写几个例句吧!① 要是我哥哥在这儿,一切都没有问题了(be all right)。

      ② 要是你按照我的建议(take my advice),你不可能考试不及格(fail in the exam) ___________________________________________________________________________________________________________________________________________③ 如果明天是周日,我就可能去看望我奶奶 __________________________________________________________________________________________________________________________________________④ 如果今晚下雪,他们就不出去了 _______________________________________________________________________________________________________________________________________但是,学习条件状语从句的虚拟语气需要注意的几点:①当条件状语从句表示的行为和主句的行为在时间上不一致时,这种虚拟条件句称为错综时间条件句;当句中表达的情况有真实情况也有虚拟情况时,这种虚拟条件句称为错综真假条件句。

      错综时间条件句和错综真假条件句总称为混合虚拟条件句例如:If you had taken the doctor’s advice, you would be better now.分析: If you had studied hard, you would be a college student, but you didn’t.分析:②省略if的从句要进行部分倒装这一点在倒装中也会提到) 如果虚拟条件句中含有were,should,had三个词(had必须是助动词),可以把if省略,把这三个词提到主语之前构成不完全倒装例如: ①Were I in your position, I would do the same.=________________________________________________________________②Had you come here earlier, you would have met her.= ________________________________________________________________ ③Should it be fine tomorrow, we would go outing.=_________________________________________________________________③有时假设的情况并不以条件句来表示,而是暗含在上下文中,比如通过介词(或介词短语)with,without,but for等来表示。

      这种情况被称为含蓄条件句例如:(①)What would you do with a million dollars?=_____________________________________________________________(②)We couldn’t have finished the work in time without your help.=_____________________________________________________________ ④除连词if外,还可以用连词otherwise,or等来连接注意,它们一般需要真实的主句连缀虚拟的条件句这些连词引导的条件句是可以和If条件句进行互化的例如:①I got up too late. Otherwise I would have got there on time. =If I had got up early, I would have got there on time.②He told me about your arrival, or I would have known nothing about it. =__________________________________________________________________________(2)方式状语从句中的虚拟语气。

      方式状语从句中的虚拟语气在英语必修四卓别林那一课里讲过,主要用as if(=as though)引导但是注意as if也是可以引导真实条件句的,具体的语气需要通过动词的形式来判断例如:The man talks too much, as if he is drunk.The man talks too much, as if he were drunk. 在这两个例句中,第一个有陈述语气的标志is,所以第一个句子是真实的条件句,这个人说个不停,好像真的醉了而第二个例句有虚拟语气的标志were,所以第二个句子是虚拟条件句,这个人说个不停,好像是装醉 比较出不同后再来看几个方式状语从句中的虚拟语气的例子吧: ①The girl speaks English very well as if she were born in England.=The girl speaks English very well as though she were born in England.②He treats me as if I were a stranger.=_____________________________________.(3)让步状语从句的虚拟语气由even if,even though 引导的让步状语从句的主从复合句中,主句和从句都用虚拟语气。

      动词形式与含有if引导的虚拟条件句的形式相同例句:Even if he had been ill, he would have gone to his office. (三)宾语从句中的虚拟语气 (1)在表示坚持、命令、建议、要求的动词后的宾语从句中要用虚拟语气should+动词原形,其中should可以省略具体的动词有:一个坚持(insist),两个命令(order,command),三个建议(suggest,advise,propose),四个要求(request,require,demand,desire)例如: ①I demand that he (should) answer me immediately. ②The doctor advised that he (should) change his job.但是,当suggest表示“暗示,表明”时,insist表示“坚持认为”时不用虚拟语气Her pale look suggested that she was in poor health.The man insisted that he had never stolen the money. (2)wish 后跟的宾语从句一定用虚拟语气。

      其标志有:Wish 如果表示的是将来的主观愿望,从句谓语动词常用would/could/might+动词原形例句:I wish it would stop raining.(但愿雨能停)如果表示的是对过去情况的虚拟,从句谓语动词常用had+过去分词 例句:I wish I hadn’t spent so much money.(我后悔不该花掉那么多钱)如果表示的是对现在情况的虚拟,从句用谓语动词的过去式,be用were.例句:I wish I knew the answer to the quest。

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