虚拟语气(经典课件).ppt

Unit 1 Art Grammar 1、与现在事实相反： 主句： 从句： would / should / could / might + 动原 动词过去式（be 用 were） 1）如果我是你，我就努力工作。 If I _ you, I _ hard were would study 2）如果我有钱，我就买一个收音机。 If I _ money, I _ a radio.hadwould buy 3）如果我是一只鸟，我就到蓝天上去翱翔。 If I _ a bird, I _ in the sky.werewould fly 4）如果我能腾出时间的话，我也愿意去。 I _ too if I _ time to spare.would gohad 5）如果每个人都懂得急救，许多生命就会得以挽救。 If everyone _ first aid, many lives _. knewwould be saved 2、与过去事实相反： 主句： 从句： would / should / could / might + have done had done 1）如果你昨天来，你就会看见她了。 If you _ yesterday , you _ her. had comewould have seen 2）如果你早点起， 你就赶上那趟车了。 If you _ up earlier, you _ that bus. had gotwould have caught 3）如果他再努一点力的话，就不至于没及格。 If he _ harder, he _ the exams. had studied would have passed 4）要不是忘了你的电话号码，我就打电话通知你了。 If I _ your telephone number, I _ you. had remembered would have phoned 3、与将来事实可能相反： 主句： 从句： would / should / could / might + 动原 动词过去式 should + 动原 were to + 动原 1）如果明天下雨，我们就不去郊游了 If it _ tomorrow, we _.should rainwould not go outing ( rained / were to rain ) 4、错综时间虚拟语气： 1) If I _ (take) the doctors advice then， I _ ill now. 2) If I _ (study) hard before, I _ (speak) English very well now. had taken should not be had studiedwould speak 3) I was so busy then, otherwise I _ (come) to help you. would have come 4) He telephoned to inform me of your birthday, or I _ (know) nothing about it. would have known 5) A man who stopped drinking water _ dead in about seven days. would be 6) I was ill that day. Otherwise I _ (take) part in the sports meet. would have taken 5、If 的省略, were / had / should 倒装到主语之前 3) If it should rain tomorrow, we would put off the sports meet. Should it rain tomorrow, we would not go outing. Were I you, I would take his advice. Had you come yesterday , you would have seen him. 1) If I were you, I would take his advice. 2) If you had come yesterday , you would have seen him. 6、表示愿望, 期待的虚拟语气 1) 我要是记得他的地址就好了. I wish that I remembered his address. If only I remembered his address. I wish I were a bird. If only I were a bird. I wish I had bought the watch yesterday. If only I had bought the watch yesterday. S + wish If only (that) S did / were S had done 与现在相反 与过去相反 2) 我真希望我是一只鸟. 3) 我昨天买了那块手表就好了. 4) 我要是没犯那个错误该多好. I wish that I hadnt made such a mistake. If only I hadnt made the mistake. 5).我希望他能再来. I wish he could come again. If only he could come again. 6).我希望明天不下雨. I wish that it would not rain tomorrow. If only it would not rain tomorrow. 7、 虚拟语气在宾语从句中的使用 一坚持：insist 二命令：order, command 三建议：suggest, propose, advise 四要求：demand, require, request, ask 主句 + (that) + S + (should) + do 1）医生建议我们不要抽烟。 The doctor suggested that we _. 2）他坚持要回家。 He insisted that he _ home. 3）他命令我们不要睡觉。 He ordered that we _. 4）他要求我们按时读完这本书。 He demanded that we _ the book on time. (should) not smoke go not sleep should finish 8、虚拟语气在主语从句的使用 It is suggested / ordered / insisted / demanded / requested that + S + (should) + V 2）建议他休息几天。 It is suggested he _ a rest for a few days. 9、同位语从句和表语从句 suggestion / demand / order / advice + that + S + (should ) + V 1) My suggestion is that _ _ (派几个人去帮助他). 2) _ (我们应订一个计划的建议) has been accepted. some people (should ) be sent to help them. The suggestion that we (should) make a plan 1）有人要求她唱一首新歌。 It is requested that she _ a new song.should sing have He seemed as if he _ abroad. 到你起床的时候了。 Its time you _. Its time you _. 10、虚拟语气在状语从句中的使用 as if / as though + S + did / were 或 had done 1）他说起英语来就好象美国人似的。 He speaks English as if he _ American.were 2）现在好象是春天。 It seems as though it _ spring.were 3）他好象出过国。 had been 11、It is (high / about) time + S + should +do 或 did should get up got up 1、要是没有空气, 我们就活不了. 2、若无你的帮助，他会失败的。 3、若无你的帮助，他早已失败了。 4、要不是你给他的那个面包，他早就饿死了。 S + would have done （与过去相反） Without (But for) air, we could not live. Without (But for) your help, he would fail. Without (But for) your help, he would have failed. 12、Without / But for , S + would / could + do (与现在事实相反） Without (But for) your bread, he would have died. 13. would rather that I would rather you _ me now. I would rather you _ that. did / were had done paid I would rather you _ here than _.remainedwent away hadnt done I would rather you _ there too.had gone 1、当suggest译成“建议”， insist译成“坚持做”时，从 句用(should) do 2、当suggest译成“表明”， insist译成“坚持认为”时，从句用 适当时态 1) Her pale face suggests that she _ ill. 2) She insisted that she _ right. is was 1. I wish I _ you yesterday. A. seen B. did see C. had seen D. were to see 2. If my lawyer _ here last Saturday, he _ me from going. A. had been; would have prevented B. had been; would prevent C. were; would prevent D. were; would have prevented 3. -If he _ , he _ that food. -Luckily he was sent to the hospital immediately. A. was warned; would not take B. had been warned; would not have taken C. would be warned; had not taken D. would have been warned; had not taken 4. If it _ for the snow, we _ the mountain yesterday. A. were not; could have climbed B. were not; could climb C. had not been; could have climbed D. had not been; could climb 5. Without electricity, human life _ quite difficult today. A. is B. will be C. would have been D. would be 7. I didnt see your sister at the meeting. If she _, she would have met my brother. A. has come B. did come C. came D. had come 8. When a pencil is partly in a glass of water, it looks as if it _ . A. breaks B. has broken C. were broken D. had been broken 9. His face suggested that he _ really tired after the long walk. A. had been B. was C. be D. should be 10. It is important that we _ close the window before we leave. A. shall B. will C. must D. X 11. -Did you scold him for his carelessness? -Yes, but _ it. A. Id rather not do B. Id rat