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1、 何谓 语气 语气语气是一种动词形式 表示 说话人对某一行为或事情的看法 和态度 英语中的语气 英语中共有 三种语气 陈述语气 the Indicative Mood 祈使语气 the Imperative Mood 虚拟语气 the Subjunctive Mood 陈述语气 用来陈述一个事实 有 肯定 否定 疑问或感叹等形式 What will you do if it rains tomorrow I will stay at home if it rains tomorrow 祈使语气 用来表示请求 邀 请 命令 警告或劝告等 虚拟语气 虚拟语气 是一种特殊的动词形 式 他的作用是 表
2、示说话人所说的 话不是一个事实 而是一种假设 猜测 怀疑 愿望 要求 命 令 建议等 I have a car 我有一部车 指现在有 I had a car 我有一部车 指过去有 I wish I had a car 但愿我有一部车 实际没有 表愿望 一 if 条件句中的虚拟语 气 时 间 If 条件句主 句 过去 现在 将来 had done 过去完成时 过去式 did be were did were should do were to do would should have done sth could might would should do sth could might wou
3、ld should do sth could might 1 表示与现在事实相反的假设 连连 词词 条件从句动词动词主句动词动词 if动词过动词过 去式 be只用were的形式 should would could might do should只用于第一人称 如果我有时间 我就要学习英语 If I have time I study English hadwould study 如果我是你 我就会买这栋房子 If I be you I buy the house were Would buy 如果我能飞 我要飞到空中 If I can fly I fly in the sky could f
4、lywould fly 1 If there were no subjunctive mood English much easier A will be B would have been C could have been D would be 2 If I had some money I the poor boy A help B will help C would help D would have help 3 If I ten years younger I out to try my luck A am would go B was will go C were would g
5、o D were would have gone 2 表示与过去事实相反的假设 连词连词条件从句的动词动词主句动词动词 ifhad done 过过去完成 时时 should would could might have done 如果我采纳了你的建议 我就不会犯这个错误了 If I take your advice I make this mistake had taken wouldn t have made 如果他当时用功学习的话 他可能就得到奖学金了 If he study hard he win the scholarship Had studied 如果昨天他见到你 他就可能问你这个
6、问题 If he see you yesterday he ask you about it could have win had seen Would have asked 1 If I had known you were coming I you at the airport A had met B met C would meet D would have met 2 The fire if you had been more careful A would not be burning B would not burn C would not have been burnt D wo
7、uld not burnt 3 If we in turn you so tired A drove didn t get B drove wouldn t get C were driving wouldn t D had driven wouldn t have got D c D 3 与将来事实相反的假设 连连 词词 条件从句动词动词主句动词动词 if 动词过动词过 去式 did were should 动词动词 原形 were to 动词动词 原形 should would could might do 即使太阳从西边出来 我也不会改变我的心意 If the sun raise in
8、the west I not change my mind raised should raid were to raise would not change 如果明天下雨 我们将不去公园了 If it rain tomorrow we go to the park rained would not go 如果我们再有另外7天假的话 我们都会感到 跟高兴的 If we have another 7 day holiday all of us be more happier had would be 1 If he me tomorrow I would let him know A shoul
9、d call B should not have been able C were not able D are not able 2 If it rain this evening I would not go to see this American film A would B should C could D might 3 If it to snow next week I would not go to visit that mountain village A is B be C were D are 一 if 条件句中的虚拟语 气 时 间 If 条件句主 句 过去 现在 将来
10、had done 过去完成时 过去式 did be were did were should do were to do would should have done sth could might would should do sth could might would should do sth could might 1 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
11、would have prevented 2 If my father here the day after tomorrow he me at all A came can t see B comes couldn t see C comes couldn t have seen D came couldn t see 3 If I you I more attention to English idioms and phrases A was shall pay B am will pay C would be would pay D were would pay 如果明天下雾 我就不能开
12、车去购物 If it foggy tomorrow I my car to go shopping 2 如果我是一个男孩 我当然会去参军 If I a boy I certainly join the army 3 如果你开车更小心一点 就不会出这样的事故 If you your car more carefully such a traffic accident were couldn t drive were would had driven couldn t have happened 4 错综时间条件句 条件从句谓语动词发生的时间与主句所假 设的谓语动词不一致 叫做错综时间条件 条件句
13、 主句和从句的谓语动词要根据各自所指的 不同时间选用适当的虚拟语气形式 如果你昨天与他交谈一下 你就知道现在 该做什么了 If you had spoken to him yesterday you would know what to do now 如果你 那时 听从我的建议的话 现在就 不会有事了 从句说的是过去的事情 而 主句说的是现在的事情 If you follow the doctor s advice you be all right now 如果气候再好些 庄稼会长的更好 If the weather be finer the crops be growing still be
14、tter had followed would be had been would be 1 If you the medicine you better now A took would feel B had taken felt C had taken would feel D took would have felt 2 If you were older I you to go there yesterday A will allow B should allow C would have allowed D had allowed 3 If we had known that she
15、 had planned to go abroad today we at the airport A will see her off B have seen her off C would see her off D had seen her off 4 Is he feeling any better No if he had followed the doctor s advice he quite all right now A will have been B would have been C would be D will be 5 条件句中虚拟语气的倒装 条件从句中含有sho
16、uld were had 三个助 动词 并且条件句在句子前面 可以把if省 略 然后把相应助动词提到句首 If I were you I would give it up Were I you I would give it up If I had had time I would have run round that lake again Had I had time I would have run round that lake again 1 If there should be a flood what should we do a flood what should we do 2 If I had had time I would have run round that lake again I would have run round that lake again 3 If I had taken my umbrella with me when I came out this morning I should not be wet now my umbrella
