情态动词和虚拟语气
【典例精析】
1.（2007 全国卷II， 8） _______ he had not hurt his leg, John would have won the race.
A. If B. Since C. Though D. When
2.（2008山东卷, 24） Thank you for all your hard work last week. I don’t think we ____ it without you.
A. can manage B. could have managed
C. could manage D. can have managed
3（09福建）. But for the help of my English teacher, I____the first prize in the English Writing Competition.
A. would not win B. would not have won C. would win D. would have won
4.（09湖南）— It’s the office! So you _____ know eating is not allowed here.
— Oh, sorry.
A. must B. will C. may D. need
5.（09海南）What do you mean, there are only ten tickets? There _____ be twelve
A. should B. would C. will D. shall
6.（09上海）It_____ have been Tom that parked the car here, as he is the only one with a car.
A. may B. can C. must D. should
7.（09四川）—I don’t care what people think.
—Well, you _______
A. could B. would C. should D. might
8.（09天津）This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.
A. would B. should C. could D. might
9.（09重庆）—Hi, Tom. Any idea where Jane is?
—She_____in the classroom. I saw her there just now.
A. shall be B. should have been C. must be D. might have been
10.（09全国2）I can’t leave. She told me that I______stay here until she comes back.
A. can B. must C. will D. may
11.（09江苏）11. He did not regret saying what he did but felt that he____ it differently.
A. could express B. would express
C. could have expressed D. must have expressed
【解析】A 有题干可知，“若不是他伤了腿，约翰就能赢得比赛了”，运用了虚拟语气，故用if。
【解析】 B 此题考查情态动词表示虚拟意义的用法。I don’t think…是否定前移。意为：我认为没有你我们本不能做成这件事的。此题关键是要根据句意知道是虚拟语气，其基本形式是情态动词（过去式）+have done,所以其他选项皆可排除。
【答案】B
【答案】B 虚拟语气。此处虚拟语气表示与过去事实相反，句子谓语动词用would/should/could/might + have done结构，故选B。
【解析】A 句意为：这是办公室！因此你必须知道吃的不允许带到这里。must表示“绝不”的意思。
【答案】A。 你这是什么意思，只有十张票吗?应该有十二人。should表示“应该，应当”。
【解析】C 考查情态动词的基本用法。此处表示肯定性较强的猜测，故答案选C。
【解析】C考查情态