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1、虚拟语气的用法主要有对现在对过去对未来的虚拟。对现在的虚拟：if+过去式 主句：would（should，might，could）+do 对过去的虚拟：if+过去完成式 主句：would（should，might，could）+have done 对将来的虚拟：if+were to（should）do 主句：would（should，might，could）+do “ It is (about/ high ) time + that (从句)” 中,谓语动词常用过去式表表示虚拟语气.A) 在wish, suggest, order, demand, propose, command, requ
2、est, recommend, require, decide, insist, desire, urge等动词的宾语从句以及would rather /sooner 后要用 “ (should) +动词原形” 来表示愿望,建议, 命令,要求等; 由上述动词派生或转化的名词suggestion, proposal, plan, motion, recommendation, demand, order, desire, request, requirement, insistence, advice, decision , obligatory 义不容辞的, 必须的 等的同位语从句或表语从句中
3、也要用相应的虚拟形式. B) 在It is/was + 某些形容词 + that 从句的句型中,that从句中的谓语动词常用虚拟语气,即 “should + 动词原形” 这些形容词有: important, necessary, essential, imperative, natural, strange, advisable, desirable, possible, probable, astonishing, surprising, desired, suggested, requested, recommended, ordered, proposed, decided, moved
4、等. 在 look, seem等动词后的 “as if / as though”从句中,当表示真实情况时,用陈述语气; 否则,用虚拟语气. Eg. It seems as if they know each other. (真实情况) It seems as though it were already spring. (虚拟语气) 虚 拟 语 气 练 习 ( I ) 1.If you had come earlier, you _ the famous scientist.a. could be met b. might meet c. would have met d. would mee
5、t2. If she had worked harder, she _.a. would succeed b. had succeeded c. would succeed d. would have succeeded3.I wish I _ a young man again.a. will be b. shall be c. am d. were4.I wish that you _ such a bad headache because Im sure that you would have enjoyed the concert.a. havent b. havent had c.
6、hadnt d. hadnt had 5.Shall I buy the car? If I were you, I _ buy it.a. shant b. wont c. wouldnt d. not 6.If I _ the way to New York, I _.a. knewwould drive b. knew will drive c. knew would have drive d. had known . would drive7.It would be a mistake _.a. if we should not help him b. if we had not he
7、lped him c. if we have not helped himd. if we dont help him 8._ ten minutes earlier, you would have seen this worldfamous scientist.a. If you come b. If you have come c. If you came d. Had you come9.Without your help, we_ so much.a. will not achieve b. didnt achieve c. dont achieve d. would not have
8、 achieved 10. Its time that we _ breakfast, but we have not.a. will have b. shall have c. have d. had 11. His doctor suggested that he _ out for a walk after supper.a. go b. goes c. wentd. would go 12. He insisted that we _ the place in three days. Otherwise we would get into trouble.a. had to leave
9、 b. leave c. must leave d. would leave 13. Everyone agreed to his suggestion _ a bridge be built across the river.a. as b. which c. that d. so that 14. Dr. Bethune worked hard as if he _.a. never feel tired b. had never felt tired c. have never felt tired d. never tired 15. It looks _ its going to r
10、ain.a. that b. as c. as if d. like that 16. It is important that I _ with Mr. William.a. shall speak b. spoke c. speak d. would speak17. It is necessary that we _ our plan.a. would change b. changes c. should change d. shall change18.It is strange that he _ so.a. doing b. should do c. had done d. wo
11、uld do19. My father was angry and ordered that my brother _ the room at once.a. leave b. left c. would leave d. was leaving 20. _, I would take an umbrella with me.a. Had I been you b. I were you c. Were I you d. I had been you21. If I _ do the experiment, I would do it some other way.a. were tob.ha
12、dc. amd.was虚 拟 语 气 练 习 ( II )Fill in the blanks with appropriate forms of the verbs in the brackets:1. I wish my wife _ ( be ) here to advise me. 2. I wish I _ ( have ) your opportunities when I was young. 3. If only we _ ( have ) a phone! Im tired of queuing outside the public phone box. 4. - But I
13、 told you what to do. - I know you did. If only I _ ( take ) your advice! 5. If only he _ ( not smoke ) so much, hed feel much better. 6. If only he _ ( know ) that the disease was curable! 7. I would rather you _ ( go ) home now. 8. - Would you like him to paint your door with yellow stars? - Id ra
14、ther he _ ( paint ) it blue, and without any decorations. 9. Its time he _ ( make ) a real effort to settle down. 10. In weightless space, one may at first feel as if one _ ( fall ) endlessly; soon it will pass. 11. Id rather you _ ( not do ) anything about it for the time being. 12. Its high time that the children _ ( get ) dressed. 13. The machine is eight years old, but it operates as if _ ( be ) new. 14. Smith talked as if he _ ( do ) all the work himself, but in fact Tom and I did most of it. 15. The dean of studies strongly advises that L
