1、专题三情态动词 对 点 训 练 .单句语法填空(高考真题改编)1. (2023年天津卷)I cant find my purse. I _ have left it in the supermarket yesterday, but Im not sure.解析:句意:我找不到我的钱包了。我可能昨天把它落在超市了,但我不确定。空处表示对过去事情的推测,且根据题干中的Im not sure可推知,此处表示不确定的推测,故用could/might/may,意为“可能。答案:could/might/may2. (2023年北京卷)In todays information age, the loss
2、 of data _ cause serious problems for a company.解析:句意:在当今这个信息时代,对于一个公司来说,数据的丧失可能会造成严重的后果。根据句意可知,语境要表达的是一种客观的可能性,且cause为动词原形,因此can符合语境。答案:can3. (2023年天津卷)Sure, I _ (ask) her, but something prevented me from doing so.解析:could have done意为“过去本来能够做某事但事实上并没有做。答案:could have asked4. (2023年北京卷)Samuel, the ta
3、llest boy in our class, _ easily reach the books on the top shelf.解析:句意:Samuel,我们班最高的男生,能很轻松地够到书架顶上的书。表示能力,用can。答案:can5. (2023年天津卷)My room is a mess, but I _ clean it before I go out tonight. I can do it in the morning.解析:句意:我的房间很乱,但是在今晚我出去之前不需要清扫,我可以明天早晨再清扫。neednt意为“不需要,不必。答案:neednt6. (2023年浙江卷)Geo
4、rge _ (go) too far. His coffee is still warm.解析:句意:乔治不可能走太远,他的咖啡仍是温的。cant have gone意为“不可能走(远),是对过去情况的否认推测,符合语境。答案:cant have gone7. (2023年北京卷)I love the weekend, because I _ get up early on Saturdays and Sundays.解析:句意:我喜欢周末,因为周六周日我不用早起。根据句意可知,应填neednt。答案:neednt8. (2023年天津卷)It was really annoying; I _
5、 get access to the data bank you had recommended.解析:句意:真烦人,我无权使用你推荐的资料库。couldnt意为“不能,符合语境。答案:couldnt9. (2023年天津卷)I neednt_ (worry) before I came to the new school, for my classmates here are very friendly to me. 解析:句意:我来新学校之前本没有必要担忧的,因为在这里我的同学对我非常友好。neednt have done意为“本没有必要做某事而实际上已经做了。 答案:have worri
6、ed10. (2023年重庆卷)You_ be Carol. You havent changed a bit after all these years.解析:句意:你肯定是卡罗尔。你这么多年一点儿都没变。 must表示对现在的肯定推测。 答案:must.单句改错1. (2023年全国卷).but no matter how many times I asked to watch them, my parents would not to let me._解析:would是情态动词,后跟动词原形,故去掉let前的to。答案:去掉let前的to2. (2023年浙江卷)Then he and
7、my mother would have had a drink while she prepared dinner and they would talk about his day and hers._解析:would表示过去常常,后跟动词原形,故去掉had。答案:去掉had3. (2023年全国卷)We must found ways to protect our environment._解析:must为情态动词,后跟动词原形,故把found改为find。答案:foundfind4You had better not to smoke here. Smoking is forbidden in this room._解析:had better意为“最好,后跟动词原形,故去掉to。答案:去掉to5Judging from what you said, he ought succeed._解析:ought to 意为“应该,应当,故在ought后加to。答案:ought后加to- 3 -