2022届高考英语一轮复习重难语法课7状语从句学案北师大版.docx

重难语法课(7)一一状语从句语境中体悟用法朗读下面短文，体会、领悟加黑连词的用法及引导的状语从句的类型。My mother was cooking in the kitchen while"I was doing my school assignments. As soon as'I finished my homework, I went to get some water to drink. Then the doorbell rang. However, my sister unlocked the door before31 could open i t. We were surprised the moment“we saw her because her clothes and face were terribly dirty. She looked much poorer than' we expected. Since we dicin' t know what had happened to her, we stood there and waited for my sister's story. Wc wouldn't leave unloss：Hniy sister told us all about il. Afle/my sister got changed, she told us that she fell into a ditch when'she walked on a path on her way to my uncle, s home in the countryside. She couldn't get out of the ditch. Al though she cried for help, no one could hear her. She tried to climb out of it, but, however%ard she tried, she failed to escape from it. Astime went by, she got worried. After several vain attempts she had to stand whereas he was and waited unt i I1% boy student passed by and gave her a hand. The boy reached her a long rope and told her to climb with the rope. She did as%he boy told, so'17 she came out. My sister also warned us to be careful when walkingon a path even though/i 产 we are in a great hurry. That* s true. We should mind our step so that we can ensure our safety.用法体悟while引导时间状语从句,强调主从句动作同时进行，意为“当时候”。as soon as引导时间状语从句，表示“一就”。be fore引导蛔状语从句，表示“还没来得及就”。名词词组如 the moment/the second/the day/the first time/next time .等可 以用来引导时间状语从句。because引导原因状语从句。如果后接名词性短语表示原因，那么用because of引导。 than引导比拟状语从句。对大家的事实提供理由或背景时，常用since引导，意思是“既然”。其引导的 原因状语从句多在主句之前。unless = if .not,有“除非，如果不”之意，引导条件状语从句。©after引导时间状语从句。when表示“当时”，引导时间状语从句。导让步状语从句时,可以用allhough或though,主句可以与副词slill连用，但不能再与连词but连用。wwever引导让步状语从句时,相当于no matter how。引导时间状语从句，表示“陵置”时，只能用as。Q窃I导地点状语从句时,用where/wherever,表示“在的地方”。Until引导蛔状语从句，表示“直到”，主句谓语需用延续性动词。够s引导方式状语从句,意思是“按照，像那样”。斑。引导结果状语从句。vhen doing .为时间状语从句的省圆形式，当从句主语与主句主语致且含有be 动词时，可省略从句主语与be动词，构成省略形式。ven thou3/if引导让步状语从句,表示“即使，尽管”。s。that “以便，为了”引导目的状语从句,可替换为in order that。系统中整合规那么（一）状语从句的连词从句连词时间状语从句when, while, as, til 1/unti 1, before> after, since, directly, the moment/instant, each/every time, whenever, once, as soon as 等地点状语从句where, wherever 等条件状语从句if, unless, providing, as long as, on condition that, in case 等让步状语从句though, although, even if/even though, as, while, whatever, whenever, wherever, however, “no maller+疑问词”等原因状语从句because, since, as, now that, seeing that, considering that, in that 等目的状语从句so that（为了），lest, in case, for fear that, in order that 等结果状语从句so that （因此），so . that ., such . that .等比拟状语从句asas,than方式状语从句as if/as though, as 等（二）时间力t语从句的易混点1. when, while与as引导的时间状语从句边；随着”连词从句的谓语动词用法when延续性动词；非延续性动词从句的动作和主句的动作可以同时发生，也可以先 后发生while延续性动词从句的动作与主句的动作同时发生as延续性动词强调主从句动作相伴发生，可译为“一边一Metals expand when they are heated.金属受热时膨胀。Whilc/Whcn I was reading, he came in.我正在看书时，他进来了。The students sang as they walked.学生们边走边唱。2. before与since引导的时间状语从句连词词义常用句式before在之前；还没来得及就；才；趁着It wi 11 （not） be + 一段时间 + before “（没有）过（时间）就”It was not/won* tbelongbefore . “不久就”It was + 时间段 + before .“过了（时间）才”since自从以来It is/has been + 一段时间 + since .（从句用一般过去时）（三）结果状语从句的易错点so . that.和such . that.引导结果状语从句，表示“如此以至于”。结构形式如下：so+形容词/副词+ that从句so+形容词+a/an +可数名词单数+ that从句 jmany/fe*+可数名词复数< S°+Uch/little少+不可数名词i+mat从句_不可数名词，such +形谷词+<卜+that从句1可数名词复数J、such+a/an+形容词+可数名词单数+1 hat从句There was so little food at home that we had to go out to buy some.家里几乎没有食物了，我们只好出去买一些。There was such a crush on the train that I could hardly breathe. 火车上挤得我都喘不过气来。集训中明晰考点考点1引导时间状语从句的连词1. （2020 ,全国卷HI） he asked the villagers on the banks of the riverwhere he could find the legendary （传奇的）artist, they smiled and pointed down theriver.解析：When/As空处引导时间状语从句,表示“当时”，故填When/As。2. （2016 全国卷HI）Over time, the population grew, people began cutting food into small pieces so it wou1d cook more quickly.解析：as/when句意：慢慢地，随着人I I的增加/当人口增加时，为了使食物熟得更快, 人们开始把食物切成小块。根据句意可知，此处应用as/when引导时间状语从句。3. （2016 ,四川高考）The mother held the baby in her front paws much the way a human does. it cried, she rocked it back and forth and gave it little comforting pats.解析：When/If第二句句意：当它哭的时候/如果它哭了，熊猫妈妈会来回摇晃它，轻 轻拍打，给它抚慰。根据句意可知，应填When或If。4. （2021 淮北模拟）The meaning of the word “nice” changed a few times it finally came to include the sense “pleasant” .解析：before句意：“nice”这个单词的含义改变了很屡次才终于包含了 “快乐”的 感觉。根据句意，空处应填before引导时间状语从句。考点2引导让步状语从句的连词1. （2020 ,天津 5 月高考改编） he could give her sympathy, any practical help was almost beyond him.解析：Although/Though句意：尽管他能给予她同情，但任何实际的帮助几乎都是他 力所不及的。根据句意可知，前后句之间存在让步关系，表示“尽管”，故用Although/ Though引导让步状语从句。2. （2021 中山模拟）A pair of red shoes they are for sports, dances or just fashion - is a must- have for every Chinese woman * s shoe collection.解析：whether句意：一双红色的鞋子，不管是为了运动、跳舞，还是仅仅为了时尚， 是每一位中国女性鞋子收藏中的必备品。根据句意可知，此处whether . or .引导让步 状语从句，故填whether。3. （2021 威海模拟） the Internet has changed our life, not all of its effects have been positive.解析：While/Though/Although句意：虽然互联网已经改变了我们的生活，但并不是 所有的影响都是积极的。根据句意可知，前后两句为逻辑上的让步关系。考点3引导条件状语从句的连词1. （2019 天津高考改编）Tom is so independent that he never asks his parents' opinion he wants their support.解析：unless句意：汤姆如此独立，以至于他从来都不征求父母的意见，除非他想得 到他们的支持。根据语境可知，这里用附属连词unless “除非”引导条件状语从句。2. （2018 北京高考改编） we don't stop climate change, many animals and plants in the world will be gone.解析：If句意：如果我们不阻止气候变化，世界上的许多动植物将会消失。根据句意 可知，此处应该用if引导条件状语从句，表示主句内容发生的条件。3. （2021 一河模拟）The sales of houses in our city fell by 40 percent last month, and it wi 11 be 48 percent we don't count low-price houses provided for poor residents.解析：if句意：我们城市的房屋销售量上个月下降了 40%,如果不计算为贫困居民提 供的低价房屋，销售量将会下降48%。分析句意可知，此处引导条件状语从句，表示“如果”， 应用ifo4. （2021 惠州模拟）Life doesn* t count for much you* re willing to do your small part to leave our children a better world.解析：unless句意：如果你不愿意付出你的努力给孩子们留下一个更加美好的世界， 生活就没有意义。根据句意可知本句应该使用连词unless "除非，如果不”引导 条件状语从句。考点4引导结果状语从句的连词1. （2019 ,全国卷III）On our way to the house, it was raining hard that we couldn* t help wondering how long it would take to get there.解析：so根据空格后的hard以及其后的that从句可知此句含“so+a/:/ad匕+ that .”引导的结果状语从句,故填s。2. （2021 ,柳州模拟）Such an honest person is he you can turn to him when you are in trouble.解析：ihat句意：他是如此老实的一个人，以至于你可以在困难时向他求助。结合句 意和句子结构可知，此处考查结果状语从句such . that .,故填that。3. （2021 淮北模拟）Well-educated employees can undertake most common jobs easily, so the efficiency of the society is guaranteed.解析：that句意：受过良的员工可以轻松从事最普通的工作，从而保证社会的效率。 结合句意，上下文为因果关系，用so that引导结果状语从句。4. （2021 哈尔滨模拟）It was nice weather that we were able to have lunch in the garden.解析：such句意：天气这么好，我们能在花园里吃午饭。根据句意及句子结构可知， 此题考查“such + ad2 +名词”，故填such。5. . （2021 保 山 模 拟）0ur English teacher explains English grammar clearly that all the students can understand.解析：so句意：我们的英语老师把英语语法解释得如此清晰，以至于所有的学生都能 理解。此处考查结果状语从句so .that 故填s。考点5引导地点、原因、方式、目的状语从句的连词1. （2021 ,黄冈模拟）They are pretending to keep a healthy and wise attitude towards failure simply they are incapable （无能力的）of succeeding.解析：because句意：他们对失败假装保持一种健康、明智的态度，只是因为他们不 能成功。根据句意可知，前后两局部是因果关系，空后表示原因，故填because。2. （2021 淮北模拟）Half an hour later, Lucy still couldn* t get a taxi the bus had dropped her.解析：where句意：过了半个小时，Lucy还没有在下车的地方打到的士。where "在 哪里；的地方”。根据空格前后句意可知，此处指公共汽车放下她的地方，故此处使用 where引导状语从句，表示“等的士的地方”。3. （2021 临沂模拟）Jack wasn't saying anything, but the teacher smiled at him as he had done something very clever.解析：if/though句意：Jack什么也没说，但老师向他笑了笑，好像他做了件聪明的 事情一样。as if/though意为“好像”,引导方式状语从句。4. （2021 ,德州模拟）We should protect our environment from being polluted so our next generation will enjoy a blue sky and live a healthy life.解析：that句意：我们应该保护我们的环境不被污染，以便于我们的下一代能享受蓝 天,过上健康的生活。so that "以便，为的是”，引导目的状语从句。自测中查漏补缺I .单句语法填空1. （2021 上饶模拟）You've searched all over the house but you still can't find your keys and you* re late. Jf this sounds familiar, follow this advice to make sure it never happens again.2. （2021 赤峰模拟）If the guests are seated at the table, the hosts may serve the food, or it may be passed so that each person may help himself.3. What/Whatever happens in China, the third largest country in the world with 20 percent of the world，s population, will certainly shape the immediate and distant futures of us all.4. （2021 泉州三模）Recently I failed an exam. However, when/after I came out of my teacher, s office, I told myself, uSmile! It* s not so serious. w5. （2021 安庆二模）In this period, if/when eaten in a right amount, some nutssuch as peanuts, walnuts, and chestnuts are good for one's body.6. Although/Though/7hi 1 e I was holding an umbrella, my trouser legs as well as my shoes and socks still got wet.7. （2021 乐山二模）The effect was noticeable even when the phones were powered off, and was worse for those who were more dependent on their mobiles.8. （2021 滁州模拟）They put on protective suits and gloves before they entered the buiIding.9. We1 11 go on with the work, whether we can find the necessary tools or not.10. （2021 赤峰模拟）Simmons said she stayed calm because she strongly felt everyone wou1d be okay in the end, especially when everyone pulled their strength together to save perfect strangers.II .单句改错1. In my opinion, even though the challenges are difficult for m。to get through,去掉bul去掉bulbut they make both me and the band even stronger.2. Fourth, we should develop good characters, such as a strong will and diligence, because good qualities help us to hold on to our drcams since we get into trouble.sincewhen/if3. Unless you couldn* t guess it, you had to sing a song or dance or tell a story.Unlcssf If4. We wi11 be happy whether you can come and spend several days with me here during the coming summer vacation.whetherif5. You are so respectable whom every one of us wants to learn from you. whom-that6. Whatever I feci unhappy, sho will keep me company. Whatcvcrf heneverHL语法填空（2021 ,关 B州质检）If you've ever ridden public transport, you've probably heard snores （打鼾声）and found someone sleeping in the seat across from you. The natural vibration （震动）of buses and subways （make） us feel sleepy, according to a new study in Science Alert.Why? Itr s all about sensory input - information going to your brain. On a bus, your senses give you 2 （continue） and repeating information. For example, the air conditioner and the engine create constant noise. Meanwhile, you're sitting still and your 3 （surrounding） don't change. The vibrations of the engine are also ongoing. Your brain has almost no now information to process.Repeating information will 4 （ignore） eventually and your brain will enter a low-energy state. The fact that you fall asleep quickly with your eyes 5 (close) on a bus is because your brain gets used to all the repeating information.When you're tired, it doesn't take much time 6 (start) nodding off. And we've found that the gentle vibrations made by car seats 7 you drive can relax your brain and body, “ said Stephen Robinson, 8 researcher from the RM IT University in Melbourne, Australia.Robinson's team moni tored 15 volunteers1 heart rate variabi 1 i ty - a wel 1-known indicator of sleepiness. This research can assist in the development of practical and relevant guidelines for limiting 9 (expose) to vibrations in the car industry. Robinson bel ieved that the research could be helpful 1() improving road safety. "We hope that future car seat designs can build in features to disturb this relaxing effect and fight vibration- induced (震动弓I 起的)sleepiness, “ he said. -语篇解读：我们乘坐公共交通工具时，经常会看到有人打瞌睡。一项新的研究发现造成 此现象的原因是交通工具的正常震动。L makes考查动词的时态和主谓二致。分析句子结构可知，空处为句子的谓语，此处 陈述的为客观情况，应用一般现在时；又句子主语表示单数概念，故用其一般现在时的单数 形式makes o2. continuous/continuing/continued/continual 考查形容词。分析句子结构可知， 空处应用形容词，修饰名词 information , 所以填 continuous/continuing/continued/continua1。3. surroundings考查名词。分析句子结构可知，空处被形容词性物主代词your修饰， 应用名词形式，所以填surroundings “环境”。4. be ignored考查动词的语态。分析句子结构可知，此处与句子主语Repeating informal ion构成被动关系，故应用被动结构，所以填be ignored。5. closed考查非谓语动词。*ith复合结构“with +名词/代词+分词/形容词/副词/ 介词短语/名词”在句子中作状语。your eyes和动词close构成逻辑上的动宾关系，所以 填 closed。6. to start 考查非谓语动词。此处考查固定句型M it takes some time to do sth. w , 其中it作形式主语，不定式短语为真正的主语。7. when/as/while考查状语从句。根据语境并分析句子结构可知，空处引导一个状语 从句，意为“当的时候”，所以填“when/as/while”。8. a考查冠词。researcher是可数名词，又是第一次在语境中出现，表泛指，故用 不定冠词修饰，又researcher的发音以辅音音素开头，故用a。9. exposure考查名词。分析句子结构可知，空处应用名词，作动词limit的宾语,所以填exposure o10. in考查介词。be helpful in doing sth. “有助于做某事”是固定用法，所以填 介词in。IV.短文改错I was a sweet and loving girl during I was very young. Unfortunate, things changed. It all started when I was given smartphone in the eighth grade by a good friend.1 became f ond of watch i ng mov i es, chat online and playing add ict i ve games. Natura 11 y, I couldn* t make progresses in my study any more. What* s worse, I spent fewer time in communicating with my parents. Thus, all of them were worried about what had been happened and turned to my head teacher for help. With their help, I realized what serious the things were and decided to change myself. Now I am grateful to them and became a good girl.答案：第一句：duringwhen第二句：Unfortunate-*Unfortunately第三句：smartphone前加a第四句：chatchatting第五句：progressesprogress第六句：fewer-*less第七句：all-*both;去掉 happened 前的 been第八句：what-*how第九句：becamebecome