《湖大附中高中英语周建教学课件》由会员分享，可在线阅读，更多相关《湖大附中高中英语周建教学课件（29页珍藏版）》请在金锄头文库上搜索。
1、牛津英语模块六Unit3 Understanding each otherGrammar and usageUnreal conditionals (非真实条件句)湖大附中 周建Unreal conditionals(非真实条件句)在英语句子中, 谓语动词的语气是用来表 示说话人对所说内容的态度、看法以及 心情等。英语中常见的谓语动词的语气 有三种:1. 直陈语气用于直截了当地陈述事实、描述状态。 例如:Edward, you play so well. But I didnt know you played the piano. 2. 祈使语气用于提出请求、命令、建议或是劝告 等。例如:Be
2、 quiet, please.Go and wash your hands. Look out！Danger！No parking.3. 虚拟语气用于表示主观愿望或假设的虚拟情况。虚拟语气中说话者所讲的内容往往是与事实 相反的；或是其实现的可能性微乎其微, 甚至没有实现的可能性, 但是有时为了使说话的语气客气、缓和、委婉, 也使用虚拟语气。例如:If you came to Brunei, you would have to take off your shoes before going into someones house.If you have been in Korea with m
3、e last year, you would have attended in a wedding ceremony.I wish you were more careful. If I had had more time, I would had done the work better. Would you mind if I closed the window?真实条件句与非真实条件句 真实条件句: 并不是 if 引导的条件从句 都是虚拟语气。如果if从句所指的事很 有可能发生, 那么这是真实条件句；反 之, 则是虚拟条件句。真实条件句中主从句的时态关系条件从句：一般现在时 主句：sha
4、ll / will + 动词原形 Shall we have our picnic tomorrow? If it doesnt rain. 非真实条件句: 在非真实条件句即虚拟条件 句中主从句的谓语部分构成如下表所示：从 句主 句与现现在事 实实相反动词动词 的过过去式（be 的过过去式一般用 were）would / should / could / might + 动动 词词 原形与过过去事 实实相反had + 过过去分词词would / should / could / might + have+ 过过去分词词与将来事 实实相反动词过动词过 去式 / were to + 动词动词 原形
5、would / should / could / might + 动动 词词 原形If I had money, I would lend you some.(与现在事实相反)If I were you, I would not give it up. (与现在事实相反)If you had got up earlier, you could have caught the bus.(与过去事实相反)If he had known her address, he would had gone to visit her.(与过去事实相反)If I should have a chance, I
6、would try my best.(与将来事实相反)If it were fine tomorrow, I would go shopping.(与未来事实相反)注意：虚拟条件句的从句中如果有助动词were、 had或should，可以去掉if后用倒装句语序。例句：Had I not helped him (= If I had not helped him), he would have failed in business.Should I be free (= If I should be free), I would come.Were she my daughter (= If s
7、he were my daughter), I could suggest a different plan. Where are the children? The dinners going to be completely ruined. I wish they always late. ( 2011北京) A. werent B. hadnt been C. wouldnt be D. wouldnt have been解析：wish接从句，如果表示的是与现在事 实相反的假设，通常用一般过去时；如果表 示的是与过去事实相反的假设，通常用过去 完成时。从always判断这说的是通常情况，
8、 是与现在事实相反的假设，所以答案选A。A 高考真题Maybe if I _ science, and not literature then, I would be able to give you more help. （2011北京） A. studied B. would study C. had studied D. was studying解析：根据意思“如果那时我要是学了理科 ，不是文科，我就能给你更多的帮助了。” 判断，这是与过去事实相反的假设，所以 用过去完成时。C I _ sooner but I didnt know that they were waiting for
9、me. (2011天津) A. had come B. was coming C. would come D. would have come解析：根据语境but I didnt know that they were waiting for me.判断这是一个 与过去事实相反的假设，所以主句应该 用would have done。D Pity you missed the lecture on nuclear pollution. I it, but I was busy preparing for a job interview. （2011福建） A. attended B. had a
10、ttendedC. would attend D. would have attended解析：根据对话提供的情景，attend这一 动作已经完成，这是一个与过去事实相反 的虚拟语气，故用would have done。D We Johns name on the race list yesterday but for his recent injury. (2011 江西)A. will put B. will have put C. would putD. would have put解析：根据句意：要不是约翰最近受伤 ，昨天我们会把他的名字列在比赛名单 上。用would have don
11、e表示对过去情况 的假设。D 1.Everything _ if Albert hadnt called the fire brigade.A. will be destroyed B. will have been destroyed C. would be destroyed D. would have been destroyed Please choose the correct answers to the following multiple choices.DPractice2. I _ you some money, but I hadnt any on me then.A.
12、would lend B. would have lent C. could lend D. may have lentB3. - You can ask your brother for help.- He isnt at home. If he _, I _.A. were, would B. is, would C. is, will D. were, willA4. Are you thinking about going to Dalian for the vacation? No, but if I _ time, I _ very glad to go there.A. have
13、, will be B. had had, would have been C. had, would be D. had had, would beC5. If you had enough money, what _?A. will you buy B. would you buy C. would you have bought D. will you have boughtB6. I didnt see your sister at the meeting. If she _, she would have met my brother. A. has come B. did come
14、C. came D. had comeDTranslate these sentences into English.1. 如果我是一个医生，我将毫不犹 豫地救她。If I were a doctor, I would save her life without hesitation. 2. 如果你昨天去听音乐会的话， 你将会遇到她了。 If you had gone to the concert yesterday, you would have met her. 3. 如果明天下雨的话，会议将会推迟。If it rained tomorrow, the meeting would be p
15、ut off. 4. 如果你听了医生的话，你早就恢复 健康了。If you had listened to the doctor, you would have already recovered.5. 如果没有虚拟语气，英语将容易 多了。If there were no subjunctive mood, English would be much easier.6. 如果她更加努力的话，她就成功了。If she had worked harder, she would have succeeded. 7. 如果我是你，我将不回这个电话。If I were you, I wouldnt return the call.
