8.1虚拟语气在条件句中的应用ppt课件.ppt

1、结束放映 返回目录 结束放映 返回目录 I would accept the invitation if I were you.如果我是你 ,我就接受邀请。 If I won the lottery now, I would buy an expensive car. 虚拟语气用在 IF条件句中的一般结构 与现在事实 相反的假设 与过去事实 相反的假设 与将来事实 相反的假设 ?考向一 虚拟语气在条件句中的应用 考点 1: 一般虚拟结构 时 间 主 句 从 句 例 句 would/should/ could/might +V would/should /could/might+ have +d

2、one would/should/ could/might +V 动词的过去式 (be=were) 1.动词的过去 式 (be=were） 2.should+V 3.were to+V 点击查看 点击查看 点击查看 had+过去分词 He would have called her if he had known her number. 如果他知道她的号码就给她打电话了。 What would we say to him if he should come/ came/ were to come ? 如果他来了，我们和他说些什么呢？ 结束放映 返回目录 卷 We would have call

3、ed a taxi yesterday if Harold _ us a ride home. A. didnt offer B. wouldnt offer C. hasnt offered D. hadnt offered 【 典例 】 (2012.天津卷 ,15) 【 解析】 句意 :昨天如果 Harold不让我们搭车回家的话，我们就会叫出 租车了。考查虚拟语气。根据 would have calledyesterday 可 知此句为与过去事实相反的虚拟语气，所以其从句用过去完成 时。 答案 :D ?考向一 虚拟语气在条件句中的应用 结束放映 返回目录 If I _ (be) in yo

4、ur position, I _(ask) for teachers help. If he _(drive) more carefully, he _ _(have) the car accident yesterday. If he _(get up) early, he _ (be) on time. What _ (happen) if you _ (get up) too late tomorrow? were would ask had driven would had got up would have been 对 应 训 练 would happen should get u

5、pwere to get up got up not have had ?考向一 虚拟语气在条件句中的应用 结束放映 返回目录 考点 2: 混合虚拟语气 不同时间的虚拟 1.If he had listened to me, he would not be in trouble now. 如果他当时听了我的 话，他现在就不会有麻烦了。 2. If I were you, I would have gone to her birthday party. 如果我是你，我将参加她的生日聚会。 虚拟与陈述的混合 I would have gone to visit him in the hospita

6、l, but I was occupied the whole of last week. 我本应该去医院看望他的，但我上周的时间 全被排满了。 【 典例 】 2011.四川万源二模 If you _to my party yesterday, you _the reason why I am wearing these clothes now . Helen said to me. A. came; had known B. had come; would know C. had come; would have known D. came; would know 句意 : 海伦对我说 :“

7、 如果你昨天参加 了我的晚会，你就知道我为什么现在 穿这些衣服了 ” 。考查虚拟语气。此 句是错综虚拟句，前半句表示与过去 事实相反，后半句表示与现在事实相 反，故选 B项。 答案 :B 解析 /显隐 ?考向一 虚拟语气在条件句中的应用 结束放映 返回目录 【 典例 】 2011.陕西第二次适应训练 I was busy yesterday, otherwise, I _ part in your birthday party. A. would take B. did take C. had taken D. would have taken 考点 3: 含蓄虚拟语气 有时为了表达的需要，在

8、虚拟语气中并不 总是出现 if引导的条件状语从句，而是用 but for, without, with, otherwise, or等表示含蓄虚拟。例如： What would you do with one million dollars? =What would you do if you had one million dollars? Without your help, we could not have finished the work head of time. = If it had not been for your help, we could not have fini

9、shed the work head of time. I was ill that day, Otherwise, I would have taken part in the sports meeting. =I was ill that day, if I had not been ill that day, I would have taken part in the sports meeting. 句意：昨天我非常忙，否则我就 参加你的生日晚会了。考查虚拟 语气的用法。根据句意可知设空 处所在的句子表示与过去事实相 反，故选 D项。 答案 :D 解析 /显隐 ?考向一 虚拟语气在条件

10、句中的应用 结束放映 返回目录 此句前半部分表示对过去事实的陈述， 后半部分中的 “ 否则 ” ，通常表示含蓄 的虚拟。句意：我忘了你的地址，否 则的话我很久前就拜访你了。 答案 :C 介词 without引导含蓄条件句，整个句 子表示和现在事实相反的虚拟语气， 故用情态动词 would.此外， freezing cold意为 “ 极冷的 ” 。 答案 :A 对 应 训 练 I _ your address, otherwise I _ you long before. A. had forgotten; had visited B. forgot; have visited C. forgo

11、t; would have visited D. have forgotten; would visit Without the air to hold some of the suns heat , the earth at night_, too cold for us to live. A would be freezing cold B will be freezing cold C would be fr ozen cold D can freeze coldly ?考向一 虚拟语气在条件句中的应用 结束放映 返回目录 句意 :-他本来可以成为一个伟大 的作家。 -是啊，但可惜的是他年 轻时没能接触到足够的书。 would have done表示对过去情况的假设， 意为 “ 本来会 ，但没有 ” 。 答案 :B 对 应 训 练 wasnt given youth. He _ become a great Yes , but what a pity that he enough access to books in his A would like B would have C would D should writer. ?考向一 虚拟语气在条件句中的应用 结束放映 返回目录 本节讲解结束