《2018-2019学年度牛津版选修6 unit 4 helping people around the world-grammar课件（32ppt）》由会员分享，可在线阅读，更多相关《2018-2019学年度牛津版选修6 unit 4 helping people around the world-grammar课件（32ppt）（32页珍藏版）》请在金锄头文库上搜索。
1、Subjunctive Mood 虚拟语气,1)If I were a bird, I would fly in the sky. 2)If I had taken your advice ,I wouldnt have made the mistake. 3)If I had been there, it wouldnt have happened. 4)If it rained tomorrow, we would not go shopping.,1)He insisted that I should have a rest. 2)His suggestion that Tom have
2、 a rest is accepted. 3)His suggestion is that Tom have a rest 4)It is suggested that Tom have a rest. 5)The king ordered that the prisoner be killed the next day.,虚拟语气,虚拟语气是一种特殊的动词形式，一是用来表示说话人所说的话不是一个事实，而是一种假设、猜测、愿望等(在条件从句中或让步状语从句中)；一是表示说话人的愿望、要求、命令、建议等 (在宾语从句、主语从句、表语从句、同位语从句)。,虚拟语气的概念,虚拟语气的主要内容,一、非
3、真实条件句（if等）中的虚拟语气 时态一致 2. 错综时间的虚拟句 3.倒装句 4.含蓄条件句 5. If only 感叹 二、名词性从句的虚拟语气： 宾语从句、主语从句、表语从句、同位语从句 三、几种特殊的虚拟语气句式 wish、as if/though、would rather、Its time Its necessary/strange/natural/important+that从句,V. + ed (were),had done,would/could/should/might +V(原),would/could/should/might+have+p.p.,1.V.+ ed. 2.
4、should+V.(原) 3.were to do,would/could/should/might +V.(原),一. 虚拟语气在条件状语从句中的用法(3种)。,1. If I had 5000yuan, I would buy a computer. 2. If I were a bird, I would fly in the sky. 3. If I had taken your advice, I wouldnt have made a mistake. 4. If he had been there, it wouldnt have happened.,（与现在事实相反）,（与过去
5、事实相反）,1. 时态一致,If he should come tomorrow , I would talk to him about it . If I were to have free time this Friday, I would go to the party. However, Ill attend a meeting that day. What a pity!,If I had time tomorrow, I would certainly help you.,与将来事实相反,were to have,should have,2、错综时间的虚拟句 通常情况下,在非真实条
6、件句中主句和从句的谓语动词所指时间是一致的, 但有时也可能指不同的时间,这时要根据上下文的意思采用不同的谓语动词形式.,1. If I were you, I would have taken his advice. (从句指现在, 主句指过去)。,2. If I had taken my raincoat with me this morning, I would not be wet now. (从句指过去,主句指现在)。,虚拟语气,3、省略 if 的条件从句 当从句中有 were, had(助动词） 或 should 时，可省略if ，而把它们放在句首。 If I were to mee
7、t him tomorrow, I should ask him about it. Were I to meet him tomorrow, If he should fail in the experiment this time, he would try again. Should he fail in the experiment If you had come a few minutes earlier, you would have met him.,虚拟语气在 在条件从句中,Had you come a few.,4. without, but for，or和otherwise
8、 构成虚拟。 but for要不是，or否则（含蓄条件句） 1.）Without sunlight, there would be no life on our planet. 2.）But for your help, I wouldnt have finished the work. 3.）I was ill that day .otherwise , I would have taken part in the sports meet.(副词) 4.）He telephoned to inform me of your birthday , or I would have known n
9、othing about it .(连词),5 . If only 要是就好了 If only I knew his name! If only we had followed your advice! If only I saw him again!,要是我们的父母和我们住在一起就好了。 要是我没错过火车就好了！,If only our parents lived with us!,If only I hadnt missed the train!,would/could/might see,a. If they _ (be) here, they _ (take) your advice.
10、 b. If the world-war _ (burst) out again, what _ (happen) to our people on earth?,were,would take,burst,would happen,PRACTICE 1: Fill in the blanks.,If he _ （drive）more carefully, he _(not have) the car accident yesterday.,had driven,would not have had,二. 名词性从句的虚拟语气。 主要是表示命令、要求、建议的虚拟语气。,宾语从句。常见动词： 一
11、个坚持：insist 两个命令：order, command 三个建议：advise, suggest, propose 四个要求：demand , require, request, ask,这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词 使用should + 动词原形，或者将should省略。,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。,We suggested that Tom have a rest.,He insisted that I (should )be present.,The king order
12、ed that the prisoners be killed the next day.,They requested that we (should) send them to work there.,虚拟语气在：在宾语从句中,注意:insist / suggest 各有两意思，要用不同的语气 表“坚决要求”,虚拟, should + do; 表“坚称,坚持说”,陈述语气,表事实。 表“建议”，虚拟, should + do; 表“表明、暗示” ，用陈述语气。 1. The teacher suggested that we _ more after class. （我们课后多练习） 2.
13、 The look on her face suggested that she _happy 3. He insisted that all of us _there on time by any means. （我们大家想尽办法按时去那儿） 4. He insisted that he _ the wallet(没有偷钱包).,insist,suggest,(should) practise,was,should be,didnt steal,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。 即：(should)V. order,
14、 advice, suggestion, proposal, demand, request, desire,Its suggested that the plan 被执行、实施 My demand is that she 应该来 to see me once a week. We are for the advice that the factory 应该 closed down.,be carried out.,should come,should be,三. 虚拟语气特殊句型:,1. wish 的宾语从句,现在: 过去时（were） 过去: 过去完成时(had done) would/c
15、ould + have done 未来: would/could/+V. should,万一,I wish I as tall as you.,were,I wish every day my birthday.,were,I wish/wished I eaten so much watermelon.,(2) 表示对过去情况的虚拟:从句动词常用“had过去分词”。,hadnt,I wish it rain tomorrow.,would,He looks as if he drunk.,They talked as if they friends for years.,She loves the baby as if it her own son. I remembered the whole thing as if it _yesterday.,were,had been,were,2. As if/though和wish用法相同,had happened,3. would rather (that),现在,将来： 过去：,I would
