1、情态动词和虚拟语气1Where is Lucy?I cant say where she is，but she_ have gone to meet her classmates，for they want to go to Sichuan to work as volunteers.Acan BshouldCmust Dmay解析：这里表示对过去状况的推断，用“情态动词have done”。从前面的“我不确定她在哪里”可知，用may have done，表示“过去可能已经做了”(不确定)。must have done表示“过去一定做了”(非常确定)；can have done 用在否定句和疑
2、问句中，should have done 表示“过去本该做(实际却没做)”。答案：D2If you had brought your swimsuit with you, we _ swimming in the lake now.Acould go Bcould have goneCcan go Dhave gone解析：考查虚拟语气。句意：如果你此前带着游泳衣的话，现在我们就可以在湖中游泳了。本句是混合虚拟条件句，前半句是对过去情况的假设，后半句是对现在事实的假设。故选A项。答案：A3Has Tim started？He said he would join in the party.He
3、_ .He is a man of his word.Acould have left Bmust have left Ccant come Dwont be coming解析：根据He is a man of his word.可知他是一个守信的人，因此推测他肯定已经启程了。 句意为：Tim 启程了吗？他说他要参加聚会。他一定已经启程了，他是一个守信的人。must have done“一定干了某事”，故B项正确。答案：B4Mum，would you please buy me an MP5 player?If you can help do the dishes the whole vaca
4、tion，you _ have one as a reward.Amust Bneed Cwould Dshall解析：shall用于第一、三人称问句中表示征询对方意见；shall用于第二、三人称的肯定句中，表示“警告、许诺、命令、威胁”等语气。答句句意：如果你整个假期能够帮助洗盘子的话，就会得到一个MP5作为回报。shall表示允诺。答案：D5 I may let you get away with your bad behaviour this time, but I must warn you that if this happens again you _ be punished.Aw
5、ill BmustCcan Dshall解析：考查情态动词的用法。句意：这次我可以饶了你，但我先把话说明白，要是你下次再犯的话，你是要受处分的。shall用于第二人称，表示劝慰、告诫或许诺，故选D。答案：D6He stood up and offered her his seat, as if he _ her mind.Ahad told Bwas tellingChad read Dwas reading解析：考查虚拟语气和动词辨析。句意：他站起来给她让座，似乎猜出了她的心思。本句是对过去情况的假设，所以用过去完成时。read sb.s mind表示“猜测某人的心思”。答案：C7_ any
6、thing, give me a call and Ill be glad to help you.AHad you required BShould you requireCYou required DYou had required解析：考查虚拟语气和倒装。句意：如果你有什么要求，给我打个电话，我将乐意帮助你。根据句意可知，此处是对将来情况的假设，前半句是“If you should require anything”的省略形式，省略if后，需要将should提到主语前，此处should表示“假如；万一”。答案：B8If you hadnt taken such a long time t
7、o get dressed，we _ there by now.Awould be BareChave been Dhad been解析：句意为：如果不是你穿衣服花了那么长时间的话，我们现在就到那里了。从句用了与过去相反的虚拟语气，但主句与现在情况相反，故选A项。答案：A9I didnt attend the lecture yesterday.I_ ，either，if my mother hadnt reminded me.Awouldnt Bwouldnt have Cdidnt Dhadnt解析：考查虚拟语气。从句子中if my mother hadnt reminded me 知，此
8、处是对过去状况的虚拟，主句应该用should/would/could/mighthave done结构，从选项中看只有B项合适(I wouldnt have 是I wouldnt have attended the lecture的省略)。答案：B10How much of the foreign experts speech have you understood?Next to nothing.I wish I_ harder at English.Aworked Bhad worked Cwould work Dwere working解析：考查虚拟语气。wish 后的宾语从句用虚拟语气
9、，此处表示与过去事实相反，意思是：我希望我(过去)更努力地学习英语了。答案：B1135 passengers died in the bullet train accident. But for the heroic train driver, many more people _.Ahad died Bwould dieCwould have died Ddied解析：考查虚拟语气。But for the heroic train driver 意为“要不是那个英勇的司机”，表达的是一个与过去事实相反的条件，故主句表达的结果也应该与过去的结果相反，应用would have done结构，故答
10、案为C。答案：C12He that makes himself a sheep _ be eaten by the wolf, as the saying goes.Ashall BcouldCwill Dshould解析：考查情态动词的用法。句意：正如谚语所说“人善被人欺”。shall用于陈述句与第三人称连用，表示说话人的意图、警告、命令、允诺、决心等语气。答案：A13Did you make it at last?Yes.But for your help，it_ a serious loss.Awould causeBmust have causedCwould have caused
11、Dmay cause解析：考查虚拟语气。句意为：你们最后成功了吗？成功了，要不是你的帮助，我们的损失就大了。but for.要不是。答案：C14You _ as well do this now, for you will have to do it first or last.Aneed BmustCcan Dmay解析：考查情态动词may。语意：你不妨现在做，因为你早晚要做。may as well 表示“不妨，倒不如”。答案：D15_ today, he would get there by Friday.AWas he to leave BWas he leavingCWere he to leave DIf he leaves解析：考查虚拟语气。语意：如果他今天出发的话，那么周五之前就可以到那里了。由主句的时态及语意可知，这里是对将来事实进行假设，从句中谓语可以用were to do 的形式，从句可以省去if并将were放于句首。答案：C
