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1、 高二英语虚拟语气导学案Period:Unit2,4 PeriodTeacher:Xu Zi XiuTime:2103,12Place:Class8,Grade2Teaching Aims:1.Let the students learn something about Subjunctive Mood2.To help the students begin to convey their feelings using it,3.To stimulate the students interest.Difficult point:1.To help the students learn to
2、use Subjunctive Mood2.Encourage the students use what they have learnt in everydaylife.Teaching methods:Communicate methods or work in pairs一、虚拟语气在非真实条件句中w.w.w.k.s.5.u.c.o.m主从句时态虚拟条件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 + 动词原形If I had time, I would attend the meeting.
3、 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 + have + 过去分词If you had taken my advice, you would not have failed in the exams.与将来事实相反的似设If+主语+动词过去式If+主语+were to 主语+should, would, could, might + 动词原形If you came tomorrow, we would
4、have the meeting. If it were to rain tomorrow, the +动词原形If+主语+should+动词原形sports meeting would be put off.If he should not come tomorrow, we should put off the meeting till next Monday. 使用虚拟条件句时要注意的几点： 1当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，被称为“错综时间条件句” ，动词的形 式 要根据它所表示的时间作出相应的调整。如：a.If you had followed my a
5、dvice just now, you would be better now. b.If you had studied hard before, you would be a college student now, and you would graduate from a college in four yearstime. 2if 省略句在条件句中可省略 if, 把 were, had, should 提到句首 , 变为倒装句式。如：a.If I were at school again, I would study harder._.b.If you had come earlie
6、r, you would catch the bus. _.c.If it should rain tomorrow, we would not go climbing. _.(注意：若省略的条件句中的谓语动词是否定形式时，不能用动词的缩略形式。如：我们可以说：Were it not for the expense, I would go abroad now. 但不能说：Werent it for the expense, I would go abroad now.) 3用介词短语代替条件状语从句。常用的介词有 with, without, but for。如：a.What would y
7、ou do with a million dollars? ( = if you had a million dollars)b.We couldnt have finished the work ahead of time without your help. ( = if we hadnt got your help)c.But for the rain ( = If it hadnt been for the rain ), we would have finished the work. 4含蓄条件句有时为了表达的需要，在虚拟语气中并不总是出现 if 引导的条件句，而通过其他手段来代替
8、条件句。a.I was ill that day. Otherwise, I would have taken part in the sports meet. (副词)b.He telephoned to inform me of your birthday, or I would have known nothing about it. (连词)c.A man who stopped drinking water would be dead in about seven days. （定语从句）d.I might have given you more help, but I was to
9、o busy. (连词)e.Everything taken into consideration, they would have raiser their output quickly. (独立主格结构) 二、虚拟语气在名词性从旬中的运用 1用于宾语从句中 用于 wish 后面的宾语从句中wish 后的宾语从句一般用虚拟语气，表示一种不可能实现的愿望。其谓语动词构成形式为:过去时(表现在)过去完成时(表过去)could / would / might + 动词原形(表将来) 如：a.I wish (that) I were a bird and could fly freely in th
10、e sky.b.I wish (that) I had met that film star yesterday.c.How I wish it werent raining now. 用于表示建议、愿望、命令等词后的宾语从句中，常见的动词有：demand, order, require, insist, suggest, propose, advise 等。宾语从句中的虚拟语气其结构为“should +动词原形” ，should 可以省略。如：a.He suggested that we (should) start off early the next day. b.The doctor
11、ordered that the patient (should) be sent to hospi tal without delay. c.They insisted that the boy (should) go with them.(注意：当 suggest 表示“暗示、表明”之意时，不用虚拟语气，应用陈述语气)。如：The smile on his face suggested that he was satisfied with our work. 当 insist 表示“坚持认为”之意时，不用虚拟语气，应用陈述语气。如：The man insisted that he had
12、never stolen the money. 在 would rather 后的宾语从句中，也用虚拟语气，其构成为动词用过去式。如：I would rather they didnt hear of the news. 2用于主语从句中: 1) It is desired / suggested / proposed / necessary / important / strange / natural/ a pity + that 从句，从句中的谓语动词用 “should +动词原形” ，should 可以省略。如：a.It is suggested that the meeting sh
13、ould be put off till next week. b.It is strange that he should have acted toward his parents like that. 注意：以上句式也可以用于陈述语气。如：a.Its strange that he didnt come yesterday. b.Its a pity that you cant dance. 2) 在 suggestion, proposal, order, plan, idea, request, advice 等名词后的表语语从句和同位语从句中要用虚拟语气。其构 成是“should
14、+ 动词原形” 。如：a. My idea is that we should think it over before accepting it. b. We all agreed to his suggestion that we should go to Dalian for sight seeing. 三、虚拟语气用在 as if (as though), even if (even though) 中: 如果从句表示的动作指现在状况，则用过去时；如果表示的动作发生在过去，则用过去完成时；如果指将来的动作，则用过去将来时。如：a. He looks as if he were an a
15、rtist. b.She speak a English so fluently as if she had studied English in America. c.Even if he were here, he could not solve the problem. 四、虚拟语气用于定语从句中It is (high) time (that) 句型中，定语从句的谓语动词用过去式，或 should + 动词原形（其中 should 不能省略） 。 此句型意为“（现在）该” ，用来表示提议。如：a.It is (high) time that you went to school. b.It is (high ) time that we should start out. 五、用于 if only 引导的感叹句中a. If only I were a flying bird! = How I wish I were a flying bird!b. If only I had seen the film! = How I wish I had seen the film! 六、在含有 If it were not for 或 If it had not been for 条件句的
