专题十一 状语从句 课件-2027届高三英语一轮复习专项

该高中英语高考复习课件聚焦“状语从句”专题，依据高考评价体系梳理了时间、条件、原因、让步等八大从句类型，通过近五年真题分析明确when/while辨析、as倒装结构等高频考点占比，归纳单选、语法填空等核心题型，构建系统备考框架。 课件亮点在于“考点精讲+真题精练+思维建模”策略，如针对as引导让步状语从句的倒装结构（“形容词+as+主语+动词”），结合35道基础与综合题训练，剖析while多义性、since句型时间计算等易错点，培养学生语言理解与逻辑思维素养。教师可据此精准把握学情，助力学生掌握答题技巧，高效冲刺高考。

语法篇 专题十一　状语从句 目 录 1 时间状语从句 1.when与while的用法 　　when和while都可以用于引导时间状语从句,两者用法有很多共同之处,但也有区别: ①when可以表示主句与从句动作同时发生或先后发生,从句谓语可以是延续性动词,也 可以是非延续性动词; ②while表示主句与从句动作同时发生(可表示“一边……一边……”),从句谓语动词 应为延续性动词。 目 录 目 录 When I finished my homework, I went out for a walk.(先后发生,非延续性动词) 我做完作业后出去散步了。 When she sings, the whole class listens quietly.(同时发生,延续性动词) 她唱歌时,全班都安静倾听。 While my mother cooks, my father cleans the room.(同时发生,延续性动词) 妈妈做饭时,爸爸打扫房间。 易混易错 while的其他用法 ①while可引导让步状语从句(置于句首,意为“尽管”) While he is young, he has rich work experience.尽管他年纪小,但工作经验丰富。 ②while可作并列连词(意为“而”,表示前后分句对比) She likes classical music, while her brother prefers rock.她喜欢古典音乐,而她哥哥偏爱摇滚。 目 录 目 录 句型 意义 示例 sb. be doing...when... 某人正在做某事,这时另一件事突然发生 I was playing outside when it began to rain. 我正在外面玩,这时突然开始下雨了。 sb. be about to do...when...或 sb. be on the point of doing... when... 某人正要做某事,这时另一件事突然发生 I was about to turn off my computer when I received an email.我正准备关电脑,这时突然收到了一封电子邮件。 sb. had hardly/barely/scarcely done...when... 某人刚做完某事,这时另一件事突然发生 I had hardly got on the train when the train left. 我刚一上去,火车就开了。 知识拓展 when作并列连词的几个句型 目 录 目 录 2.as的用法 　　as可用于引导时间状语从句,意为“当……时,随着”。as有时可与when或while互 换,也可以转化为with的复合结构。 When/While/As the earth travels round the sun, it turns around on its own. 地球绕太阳转的同时还自转。 As time goes by, private cars are more and more popular. =With time going by, private cars are more and more popular. 随着时间的推移,私家车越来越受欢迎。 目 录 目 录 3.since的用法 　　since意为“自从……以来/之后”,引导的时间状语从句的谓语动词一般是非延续 性动词,用一般过去时;主句的谓语动词是延续性的或者是反复发生过的动作,其时态常 用现在完成时或现在完成进行时。 Dunhuang has once again become a global crossroads since it hosted hundreds of representatives from 51 countries for the Silk Road International Cultural Expo in 2017. 自2017年接待了来自51个国家的数百名参加丝绸之路国际文化博览会的代表以来,敦煌再 次成为全球活动中心。 目 录 目 录 知识拓展 It+be+一段时间+since从句 在这个句型中,since引导的从句的谓语动词若是延续性动词,则时间从since从句的动作 或状态结束时算起;若since引导的从句的谓语动词是非延续性动词,则时间从动作开始 时算起。 It is more than five years since the promising boy graduated from college.(graduate为非延 续性动词,时间从动作开始时算起,即自他大学毕业那一刻起已经五年多了) 这个有前途的男孩大学毕业已经五年多了。 It is more than five years since the promising boy was in college.(be为延续性动词,时间从动 作结束时算起,即自“他上大学”这件事结束已经五年多了) 这个有前途的男孩大学毕业已经五年多了。 目 录 目 录 易混易错 It is two years since I came to the school.(主句为现在时态,从句多用since引导) 我来这所学校已经两年了。 It will be one year before I graduate from the school.(主句为将来或过去时态,从句多用 before引导) 再过一年我就从这所学校毕业了。 目 录 目 录 4.till与(not...) until的用法 ①till与until都意为“直到”,一般可互换,但置于句首时,一般不用till。 Materials are only materials, until/till the designer can make them something else. 材料只是材料,直到设计师能把它们做成别的东西。 Until the storm passes and the road is cleared, we cannot safely travel to our destination. 直到暴风雨过去,道路被清理干净,我们才能安全地前往目的地。 ②not...until意为“直到……才”。 直到他回来,我才离开。 一般句式:I didn't leave until he came back. 倒装句式:Not until he came back did I leave. 强调句式:It was not until he came back that I left. 目 录 目 录 5.“一……就” 分类 引导词 示例 连词 as soon as Lang Ping is only too aware that as soon as a team steps off the victory podium, they need to start from zero to prepare for new challenges ahead.郎平非常清楚,一支球队一走下领奖台,就需要从零开始,为未来的新挑战做好准备。 名词短语 the moment, the minute, the instant Your lights will come on the instant you enter the door along with your favourite music or TV programme, and you will find your dinner already prepared for you. 你一进门,你的灯就会亮起来,同时你最喜欢的音乐或电视节目会被播放,并且你会发现你的晚餐已经为你准备好了。 可用作副 词的连词 directly, immediately I came directly I got your message.我一收到你的消息就赶来了。 固定结构 no sooner... than, hardly/ scarcely...when No sooner had we got home than it began to rain. =We had hardly got home when it began to rain.我们刚到家就开始下雨了。 目 录 目 录 条件状语从句 6.if与unless, only if与if only 连词 意义 示例 if 如果 If you want to succeed, passion will get you there. 如果你想成功,激情会把你带到那里。 Economic development is necessary if we want to improve society. 如果我们想改善社会,经济发展是必要的。 unless 如果不,除非 (有时相当于if...not) But unless she changes her mind, chances are 50/50 whether she will pull through or not.但除非她改变主意,否则她渡过难关的概率是50%。 It's impossible to “save” a language unless it has a community of speakers. 除非有一个讲这种语言的群体,否则不可能“拯救”一种语言。(=It's impossible to “save” a language if it doesn't have a community of speakers.) 目 录 目 录 连词 意义 示例 only if 只有(置于句首时主句多使用倒装) Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on.只有我们现在就采取措施解决这个问题,我们才能避免以后世界范围内的严重缺水。 if only 但愿,真希望(表示强烈的愿望) If only it would stop raining. 要是雨能停该多好。 目 录 目 录 原因状语从句 7.because, since, as与 now (that)的用法 　　四者都表示“因为”,但语气强度和使用场景不同。 引导词 语气强度 示例 because 最强(表直接原因) My adviser recommended that I should sign up for advanced literature because I like English and I'm good at it. 我的指导老师建议我报名上高级文学课,因为我喜欢英语,而且我很擅长。 since 较弱(表显而易见的原因) Since she had no children of her own, she left her savings to a kindergarten and a fund for new doctors. 由于她没有自己的孩子,她把积蓄留给了一所幼儿园和一项新医生基金。 目 录 目 录 引导词 语气强度 示例 as 比since弱(表基于事实的原因) As I know you are interested in classical music, I want to invite you to the concert. 我知道你对古典音乐感兴趣,我想邀请你去听音乐会。 now (that) 最弱(强调当前情况) Now that Helen grasped the key to language, she was very eager to learn more and use it as much as she could. 由于海伦掌握了语言的关键,她非常渴望学习更多并尽可能多使用它。 目 录 目 录 让步状语从句 8.although与though的用法 　　although和though都可以引导让步状语从句,意为“虽然,尽管”,一般情况下可以互 换使用。两者都可与yet, still, nevertheless连用,但都不能与but连用。 易混易错 although和though ①although一般置于句首,though可置于句首或句中 ②though引导的从句可以倒装,although引导的从句一定不倒装 ③与even连用时,只能用though 目 录 目 录 Although/Though scientists have been working on it, an earthquake cannot be predicted accurately. 尽管科学家们一直在研究,但地震是无法准确预测的。 Even though Tu Youyou is not interested in fame, she has become a scientist whose work is internationally renowned. 虽然屠呦呦对名望不感兴趣,但她已经成为一名研究成果享誉国际的科学家。 知识拓展 though可用作副词,意为“可是,然而”,置于句末。 The young man was extremely nervous. He seemed confident during the presentation, though. 这个年轻人非常紧张。不过,他在演出中似乎很自信。 目 录 目 录 9.as的用法 　　as引导的让步状语从句一定要倒装。 ①名词+as/though+主语+动词 Child as/though he is, he knows a lot.尽管他还是个孩子,但他知道很多。 ②形容词/副词+as/though+主语+动词 Hard as/though he tried, he was unable to make much progress. 尽管他尽力了,但还是没能取得多大进展。 ③动词原形+as/though+主语+动词 Try as/though he might, he couldn't find a job.尽管他努力了,但还是找不到工作。 目 录 目 录 ④分词+as/though+主语+动词 Faced with fierce pressure as/though they are, the students remain optimistic and try hard to achieve their goals.尽管面对巨大的压力,学生们依然保持乐观,努力实现自己的目标。 注意 as引导的让步状语从句必须倒装;though引导的让步状语从句可以倒装也可以不倒装; although和while引导的让步状语从句不可以倒装。 易混易错 在上文的倒装结构中名词前不加冠词。  A child as he is... 目 录 目 录 10.“疑问词+-ever”与“no matter+疑问词”的区别 引导词 引导的从句类型 示例 疑问词+-ever 状语从句和 名词性从句 Whichever and whatever you like, there is an incredible theme park that will appeal to you!(引导让步状语从句) 无论你喜欢哪一个或喜欢什么,都有一个非常棒的主题公园会吸引你! We can download software, documents, and images whenever we need them.(引导时间状语从句)我们可以随时下载需要的软件、文档和图像。 Help yourself to whatever you want.(引导介词后的宾语从句)请尽情享用。 no matter+疑问词 让步状语从句 If the baby is put into an unfamiliar playroom without its mother, the baby ignores the toys no matter how interesting they might be.(引导让步状语从句) 如果这个婴儿被放在一个陌生的没有妈妈在的游戏室,那么无论玩具多有趣,他都会忽略这些玩具。 目 录 目 录 结果状语从句 11.so...that...与such...that...的用法 　　两者都表示“如此……以至于……”,引导结果状语从句,区别如下: 引导词 句式 示例 so...that... so+  Mr. Moore is such a learned and wise person that we can never admire him too much. =Mr. Moore is so learned and wise a person that we can never admire him too much. 摩尔先生是一位如此博学且睿智的人,我们对他再怎么钦佩也不为过。 such...that... such+  +that 从句 +that 从句 目 录 目 录 目的状语从句 12.so (that), for fear that与in order that的用法 　　so (that), for fear that, in order that引导的目的状语从句常带有can, may, could, might等情态动词。 We need to understand what is happening to our planet so that we can take action. 我们需要了解我们的星球正在发生什么,这样我们才能采取行动。 They saved money each month in order that they could afford to go on a vacation. 他们每个月都存钱,以便能负担得起去度假的费用。 The careful girl always double-checks her work before submitting it, for fear that there might be errors.这个细心的女孩在提交作品之前总是仔细检查,担心会有错误。 目 录 目 录 13.状语从句的省略规则 　　如果条件、时间、地点、方式或让步等状语从句的谓语含有be动词,且从句主语和主句 主语一致,或者从句主语是it,常把从句的主语和be动词省略。 If (it is) possible, please contact me at your earliest convenience. 如果可能的话,请在您方便的时候尽早与我联系。 However frequently (they are) performed, the works of Beethoven always attract large audiences. 无论演得多么频繁,贝多芬的作品总是吸引着大量观众。 Then he folds the bill and slowly unfolds it again, as if (he is) looking at something he can't believe is there.然后他把钞票折叠起来,慢慢地再次展开,好像在看什么他不敢相信的东西。 When (he was) asked about his plan, he kept silent.当被问及计划时,他保持沉默。 目 录 目 录 基础过关 1. _______virtual reality becomes more accessible, many schools are setting up virtual science labs. 解析　句意:随着虚拟现实技术的普及,很多学校正建立虚拟科学实验室。As意为“随 着”,引导时间状语从句。 考点针对练 　As     目 录 2. She was determined to apply for the job ____________________ she knew the chances of getting it were slim. 解析　句意:尽管知道被录用的机会很小,她仍下定决心申请这份工作。 　although/though     目 录 3. _____________ our hobbies, the Internet can connect us with others who enjoy the same hobbies, even if they live on the other side of the world. 解析    句意:无论我们的爱好是什么,网络都能把我们和那些有着相同爱好的人联系起 来,即使他们生活在世界的另一端。 　Whatever     目 录 4. Feeling fearful is healthy ___________ it helps you slow down and evaluate risks properly. 解析　句意:感到恐惧是(有益)健康的,因为它能帮助你放慢速度,正确评估风险。 　because     目 录 5. We all need to get involved in saving energy ____________ it's at work, at home, or at school. 解析　句意:我们都需要参与到节约能源中来,无论是在工作中、在家里还是在学校。 　whether     目 录 6. ___________ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights. 解析　句意:如果你睡不好觉的话,一两夜过后你就会无法集中注意力,无法做计划,也无 法保持干劲了。 　Unless     目 录 7. If you don't understand something, you may research, study, and talk to other people ______________ you figure it out. 解析　句意:如果你不明白某件事情,你可以去调查、研究并与其他人商讨,直到你弄 明白为止。 until/till     目 录 8. _______ the average age of the population increases, there are more and more old people to care for. 解析　句意:随着人口平均年龄的增长,有越来越多的老年人需要照顾。 　As     目 录 9. We need to get to the root of the problem ___________ we can solve it. 解析　句意:在能够解决这个问题之前,我们需要找到它的根源。 　before     目 录 10. If you miss this chance, it may be years ___________ you get another one. 解析　句意:如果你错过了这次机会,那可能要等多年你才能再次获得机会。 　before     目 录 11. _________________________ the job takes a significant amount of time, most students agree that the experience is worth it. 解析　句意:虽然这份工作要花大量的时间,但是大部分的学生认为这次经历是值得的。 　Although/Though/While     目 录 12. ________________________the students came from different countries, they got along quite well in the summer camp. 解析　句意:虽然这些学生来自不同的国家,但他们在这个夏令营中相处得很好。 　Although/Though/While     目 录 13. ____________ you're a seasoned athlete or a beginner seeking a new sport, pickleball provides an engaging experience for you. Ready to try? Find a local court and give it a go. 解析　句意:无论你是资深运动员还是想尝试新运动的初学者,匹克球都能为你带来充 满乐趣的体验。准备好尝试了吗?找一家附近的球场,马上开玩。 　Whether     目 录 14. The team celebrated wildly ______________________ they won the championship. 解析　句意:球队赢得冠军后/因为球队赢得了冠军,他们疯狂地庆祝。 　after/when/because     目 录 15. Just _______ underwater grass floats on the surface if it loses its roots, a nation is lost without its memories. 解析　句意:正如失去根的水草会浮于水面一样,一个国家若没有记忆也将迷失。as引导 方式状语从句,表示“像……一样”。故填as。 　as     目 录 综合提升 16. Difficult ______________ rumours on Weibo are to prevent, the authorities will step up supervision so that people will not be easily misled. 解析　句意:尽管微博上的谣言难以遏制,当局将加强监管,以免人们轻易被误导。此处 为让步状语从句倒装结构“形容词/副词+as/though+主语+动词”,表示“尽管……”。 故填 as/though。 　as/though     目 录 17. College life can become a great struggle _______________ students have to balance school, a social life, and sometimes a job as well. 解析　句意:大学生活可能变得非常艰难,因为学生必须平衡学业、社交生活,有时还包 括工作。设空处引导原因状语从句,解释大学生活艰难的原因。故填because/as。 　because/as     目 录 18. ____________ great the difficulty is, we will try our best to overcome it. 解析　句意:无论困难有多大,我们都会尽力克服。此处为让步状语从句结构“However+ 形容词/副词+主语+动词”,表示“无论多么……”。设空处位于句首,首字母大写。故填 However。 　However     目 录 19. _______ all the countries in the world work together to fight against air pollution, we will surely have a clear and blue sky sooner or later. 解析　句意:如果世界上所有国家共同努力对抗空气污染,我们迟早一定会拥有清澈的 蓝天。if引导条件状语从句,表示“所有国家合作”是“拥有蓝天”的条件。设空处位 于句首,首字母大写。故填If。 　If     目 录 20. The article has been shared over 730,000 times on the U.S. social media platform Facebook __________ it was posted. 解析    句意:这篇文章自在美国社交媒体平台Facebook上发布以来,已被分享超过73万 次。由has been shared可知,此处需用since引导时间状语从句,表示“自……以来”,强 调从过去某时间点(发布时)持续到现在的动作(被分享)。故填since。 　since     目 录 21. _____________ it was already rather dark, we decided to stop at the temple for the night. 解析　句意:由于天已经相当黑了,我们决定留在寺庙里过夜。设空处引导原因状语从 句,解释决定在寺庙过夜的原因(天色已暗)。as和since均表示“由于”,引导原因状语 从句,强调已知事实或显而易见的原因,语气委婉。设空处位于句首,首字母大写。故填 Since/As。 　Since/As     目 录 22. She spoke English _______ fluently that she made a deep impression on the audience. 解析　句意:她英语说得如此流利,以至于给观众留下了深刻印象。此处为“so...that...” 固定结构,表示“如此……以至于……”,其中so修饰副词fluently。故填so。 　so     目 录 23. To my amazement, life in France and Italy seemed more pleasant and relaxing _______ that in Toronto. 解析　句意:令我惊讶的是,法国和意大利的生活似乎比多伦多的生活更愉快、更轻松。 由空前形容词比较级more pleasant and relaxing可知,设空处引导比较状语从句,表示“比”, 故需用than连接比较对象。故填than。 　than     目 录 24. He had no sooner finished his speech _________ the students started cheering. 解析　句意:他刚结束演讲,学生们就开始欢呼。此处为“no sooner...than...”固定结构, 表示“一……就……”,强调两个动作紧接着发生。故填than。 　than     目 录 25. Such is the power of global warming _________ the climate goes from one extreme to the other. 解析　句意:全球变暖的力量如此强大,以至于气候从一个极端走向另一个极端。此处 为“Such...that...”固定结构(Such置于句首引起倒装),表示“如此……以至于……”, 引导结果状语从句。故填that。 　that     目 录 26. Thomas and his wife kept an eye on the elderly woman _____________ the show ended. 解析　句意:托马斯和他的妻子一直照看着那位老妇人,直到演出结束。until/till引导时 间状语从句,表示动作kept an eye on持续到“演出结束”为止。故填until/till。 　until/till     目 录 27. “Then, the paper is heated in a kiln(窑) for several days ____________ it turns into ashes,” explained Chen. 解析　句意:“然后,将纸张在窑中加热数天,直到它化为灰烬。”陈解释说。until/till引导时间状语从句,表示加热动作持续到“化为灰烬”这一结果达成为止。故填until/till。 　until/till     目 录 28. I had just stepped out of the bathroom and was busily drying myself with a towel ________ I heard the steps. 解析　句意:我刚走出浴室,正忙着用毛巾擦干身体,这时我听到了脚步声。此处为“was doing...when...”固定结构,表示“正在做……这时突然……”,强调动作进行中突发另一事件。故填when。     when     目 录 29. The audience had scarcely taken their seats ________ the lights dimmed for the performance. 解析　句意:观众一落座,灯光就暗下来,演出开始了。此处为“had scarcely...when...” 固定结构,表示“刚一……就……”,强调两个动作紧接着发生。故填when。 　when     目 录 30. Mr. Zhang is always encouraging us to think by ourselves ____________ he puts forward questions. 解析　句意:每当张老师提出问题的时候,总是鼓励我们独立思考。whenever引导时间 状语从句,表示“无论何时、每当”,强调张老师每次提问时都重复这一行为。故填 whenever。 　whenever     目 录 31. Located __________ the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction. 解析    句意:江苏位于“带”与“路”交汇处,将为“一带一路”建设做出更大贡献。 where引导地点状语从句,表示“在……的地方”,具体说明江苏的地理位置。故填 where。 　where     目 录 32. Imagination is to a writer _______ wings are to a bird. 解析　句意:想象力对于作家而言,正如翅膀对于鸟儿一样。此处为固定句型,表示比喻 关系:A is to B as C is to D。故填as。 　as     目 录 33. Melanie Bailey should have finished the course earlier _________ she did. 解析　句意:Melanie Bailey本应更早跑完全程。由空前比较级earlier可知,此处为比较 结构,表示“本应比实际完成时间更早”。故填than。 　than     目 录 34. _________________________ landscapes in the Midwest tend to be quite similar, either farm fields or highways, sometimes I find distinctive character in the hills or lakes. 解析　句意:尽管中西部的景观往往非常相似,不是农田就是公路,但有时我能在山丘或 湖泊中发现特色。设空处引导让步状语从句,表示“景观相似”与“能发现特色”之 间的转折关系。although、though、while 均可表示“尽管”,引导让步状语从句。设空 处位于句首,首字母大写。故填 Although/Though/While。 　Although/Though/While     目 录 35. If you want to tell the history of the whole world, a history that does not privilege one part of humanity, you cannot do it through texts alone, ____________ only some of the world has ever had texts, while most of the world, for most of the time, has not. 解析    句意:如果你想讲述整个世界的历史,一个不偏袒任何部分人类的历史,就不能仅通过文本来实现,因为世界上只有部分地区曾有过文本,而大多数地区在大部分时间里并没有文本。设空处引导原因状语从句,解释为何不能仅依赖文本。because引导原因状语从句,解释前文(you cannot do it through texts alone)的理由,强调因果关系。故填because。 　because     目 录 36. The bus is always so crowded in the morning _________ he has to stand on the way to work. 解析　句意:早上的公交车总是如此拥挤,以至于他上班途中不得不站着。此处为“so... that...”固定结构,表示“如此……以至于……”,引导结果状语从句。故填that。 　that     目 录 37. Weak ______________ I am in physics for the moment, I am confident that I can catch up. 解析　句意:尽管我目前物理较弱,但我有信心能赶上。此处为让步状语从句倒装结构: 形容词/副词+as/though+主语+动词,表示“尽管……”。故填as/though。 　as/though     目 录 38. Studies of the Galaxy's ancient stars offer some clues, _______ simulations (模拟) do, but the observable light from our cosmic home was emitted (发出) too recently to enable astronomers to examine its beginnings directly. 解析　句意:对银河系古老恒星的研究提供了一些线索,正如模拟实验所做的那样,但我 们宇宙家园的可观测光线发出时间太近,天文学家无法直接检验其起源。as引导方式 状语从句,表示“正如……一样”,强调模拟实验同样提供线索。故填as。 　as     目 录 $