第2部分 专题六 第3讲 状语从句（课件PPT）-【优化指导】2026年高考英语一轮复习高中总复习·第1轮（北师大版）

高考总复习 英语 第二部分 语法突破 专题六 复合句 第3讲 状语从句 一 状语从句的基本概念及分类 在复合句中作状语的句子为状语从句，修饰主句中的动词、形容词或副词等。状语从句放在主句之前时，常用逗号隔开；放在主句之后时，一般不用逗号。状语从句按其意义和作用可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等。引导状语从句的连词(短语)归纳如下： 语法重点勤回顾 语法专题解读 从句 连词(短语) 时间状语从句 when，while，as，whenever，till，until，before，after，by the time，the first time，as soon as，the moment，each time，since，no sooner ...than，immediately等 地点状语从句 where，wherever，everywhere 等 条件状语从句 if，unless，providing，as long as，on condition that，in case，if only等 让步状语从句 though，although，even if/though，as，while，whatever，however，“no matter＋疑问词”等 语法重点勤回顾 语法专题解读 原因状语从句 because，since，as，now that，seeing that，considering that，in that，given that 等 目的状语从句 that，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 比较状语从句 as ...as，than等 方式状语从句 as if/though，(just) as等 续表 语法重点勤回顾 语法专题解读 二 时间状语从句 语法重点勤回顾 语法专题解读 语法重点勤回顾 语法专题解读 ①while在句中的不同含义 While I was watching TV，the bell rang.(当……时) While I really don't like art, I find his work impressive.(尽管) While there is life，there is hope. (只要) He likes pop music, while I am fond of folk music.(而，然而) [温馨提示] 语法重点勤回顾 语法专题解读 ②when常用在“be doing ...when ...” “be on the point of doing ...when ...” “be about to do ...when ...”和“had just done ...when ...”等结构中。 Two of my friends were walking through the forest when they met a bear. 我的两个朋友穿过森林时，突然遇到了一只熊。 I was about to go swimming when our guide stopped me. 我正准备去游泳，突然我们的导游阻止了我。 语法重点勤回顾 语法专题解读 三 条件、原因、地点、目的、结果状语从句 (一)条件状语从句 语法重点勤回顾 语法专题解读 连词(短语) 例句 ·so/as long as只要 ·on condition that只要；如果 ①You may borrow this book as long as you keep it clean. 只要不弄脏，你可以借这本书。 ②You can go out on condition that you wear an overcoat. 你要穿上外套才能出去。 ·in case万一；如果 In case it rains，do not expect me. 如果下雨，就不要等我了。 语法重点勤回顾 语法专题解读 (二)原因状语从句 连词(短语) 例句 because表示的语气最强，常用来回答why提出的问题，可放在主句之前或之后，也可以被强调 I'm trying to lose weight because ____________________________直接原因 我正在努力减肥，因为过度肥胖有害健康。 obesity does harm to my health 语法重点勤回顾 语法专题解读 ·since/now that“既然”，表达双方都知道的原因 ·as“由于”，置于主句前或主句后均可 ①Since/Now that you don't trust him，you should not employ him. 既然你不信任他，你就不应该雇用他。 ②Now that/As you are not free，you needn't see me off. 既然你没有空，你就不必来给我送行。 续表 语法重点勤回顾 语法专题解读 for“由于”，起解释说明的作用，用于主句后 He could not have seen me，for I was not there. 他不可能看到我，因为我没在那儿。 续表 语法重点勤回顾 语法专题解读 (1)when, seeing that, considering that表示“既然；考虑到”，也可引导原因状语从句。 ①I won't tell you when you won't listen. 既然你不想听，那我就不告诉你了。 ②She is refused, considering that she is getting in years. 考虑到她年事渐高，她被拒绝了。 [温馨提示] 语法重点勤回顾 语法专题解读 (2)because, since, as, for表示原因的区别： because表示直接原因，非推断，语气最强，回答why提出的问题； since通常放在句首，意为“既然”； as不谈自身的原因，语气最弱； for放在句中，引导后半句表示原因，或补充推断的理由。 ①He didn't come to school because he was ill. 他没来学校，因为他病了。(表示直接原因) ②He might be ill, for he didn't come to school. 他可能病了，因为他没来学校。(表示间接或推断的原因，不可出现在句首) ③I cannot hear the professor clearly as there is too much noise where I am sitting. 我坐的地方太吵了，因此听不清楚教授说的话。 语法重点勤回顾 语法专题解读 (三) 地点状语从句 连词 例句 where“在……地方” Where there is a will，there is a way. 有志者，事竟成。(抽象含义) wherever“无论哪里” Wherever he goes，he always goes to visit the local places of historical interest. 每到一个地方，他都要去参观当地的名胜古迹。 语法重点勤回顾 语法专题解读 (四) 目的状语从句 连词短语 例句 in order that/so that“以便于……，为了……”，从句中常含有情态动can/could/may I studied hard in order that/so that I could pass the exam. 为了能通过考试，我努力学习。 语法重点勤回顾 语法专题解读 ·in case以防 ·for fear (that) 唯恐 ①Take warm clothes in case the weather is cold. 带些暖和的衣服，以防天气变冷。 ②The boy hid himself behind the tree for fear that his father might see him. 男孩躲在树后，怕他父亲看见他。 续表 语法重点勤回顾 语法专题解读 (五) 结果状语从句 句型 例句 ·so＋形容词/副词＋that从句 ·so＋形容词＋a/an＋可数名词单数＋that从句 ·so＋many/much/few/little (少)＋名词＋that从句 ①There is so little time left that I don't think I can finish it as scheduled. 剩下这么少的时间，我觉得我无法按时完成它。 ②It is such a good film that I want to see it again. 这部电影太精彩了，我打算再看一遍。 语法重点勤回顾 语法专题解读 句型 例句 ·such＋a/an＋形容词＋可数名词单数＋that从句 ·such＋形容词＋可数名词复数/不可数名词＋that从句 ③She had not planned her time well，so that she did not finish her homework on time. 她没计划好时间，所以没按时完成作业。 so that ... 语法重点勤回顾 语法专题解读 四 让步状语从句和状语从句的省略 (一) 结果状语从句 分类 连词(短语) 例句 表示“尽管，虽然”的让步状语从句 ·although， while引导的从句用正常语序 ·as引导的从句须用倒装语序：将从句中的表语(名词或形容词)、状语(副词)或谓语动词的一部分(实义动词)置于as前；若是单数可数名词前置，名词前不可用冠词 ①Child as he was，he helped me a lot. 尽管他还是个孩子，却帮了我很大的忙。(名词置于句首) 语法重点勤回顾 语法专题解读 分类 连词(短语) 例句 表示“尽管，虽然”的让步状语从句 ·though引导的从句可用正常语序，也可用倒装语序 ②Try as he might，he could not open the door. 不管他怎样努力，还是打不开那扇门。(动词置于句首) ③Though he was exhausted，he still kept on working. 尽管他筋疲力尽，但仍然继续工作。 语法重点勤回顾 语法专题解读 表示“即使”的让步状语从句 even if/though Tim is in good shape physically even though/if he doesn't get much exercise. 即使蒂姆不怎么锻炼，他的体形也很好。 表示“论……还是……”的让步状语从句 whether ...or ... Whether he drives or flies，he will be on time. 不管他是开车来还是坐飞机来，他都将准时到达。 续表 语法重点勤回顾 语法专题解读 表示“无论/不管”的让步状语从句 “疑问词＋-ever” 或 “no matter＋疑问词”意为“无论……”·“however＋形容词/副词原级”＝“no matter how＋形容词/副词原级”，表示“无论如何” ①No matter how/However different we may appear to be at first，we are all the same，all equal. 无论起初我们看上去有多么不同，我们的本质都一样，每个人都是平等的。 续表 语法重点勤回顾 语法专题解读 表示“无论/不管”的让步状语从句 ·“疑问词＋-ever” 或 “no matter＋疑问词”意为“无论……”·“however＋形容词/副词原级”＝“no matter how＋形容词/副词原级”，表示“无论如何” ②No matter when/Whenever you have trouble，you can turn to me for help. 无论你什么时候遇到困难，都可以向我求助。 续表 语法重点勤回顾 语法专题解读 (二)状语从句的省略 用法 例句 ·适用从句：时间、地点、让步、条件、方式等状语从句 ·省略条件：从句主语与主句主语一致或从句主语为it，且从句谓语含有be的某种形式 ·省略成分：从句主语及be ①Work hard when (you are) young，or you'll regret. 少壮不努力，老大徒伤悲。 ②While(I was) walking along the street，I heard my name called. 走在大街上时，我听见有人叫我的名字。 语法重点勤回顾 语法专题解读 ·省略后从句的形式：“连词(as，as if，once)＋名词”“连词(though，whether，when)＋形容词”“连词(whether，as if，while)＋介词短语”“连词(when，while，though)＋doing”“连词(when，if，even if，unless，once，until，than，as)＋done”“连词(as if，as though)＋to do” ③He looked around as if (he was) in search of something. 他四处张望，好像在找什么东西。 ④You shouldn't come to his party unless (you are) invited. 除非你受到邀请，否则你不该来他的聚会。 ⑤Whenever (it is) possible，he will come to my help. 只要有可能，他就来帮助我。 续表 语法重点勤回顾 语法专题解读 “三招定向”解决语法填空中的状语从句连接词问题 1．牢记连词(短语)意义并能熟练运用是解答题目的先决条件。 2．牢记固定句式结构，确定从属连词。 3．根据主从句的逻辑关系确定状语从句的连接词。如果主从句是因果关系，则要考虑用because, as, since等；如果主从句有时间先后之分，则要考虑用时间状语从句的连接词；如果从句为主句的条件，则要考虑用if；如果从句表示让步，则要考虑用although, though, while等。 解题方略理思路 技巧点拨 对点训练 ①It won't be long _______ he finishes his writing. ②The football match will be put off if it ______(rain). ③Not until all the fish died in the river ______(do) the villagers realize how serious the pollution was. ④He will go with you as soon as he __________(finish) his homework. ⑤You'd better take your umbrella with you ________ it rains. ⑥He is such a clever boy _____ we all like him. ⑦He is such a clever boy ____ we all like. before rains did finishes in case that as 解题方略理思路 技巧点拨 1．(2023·新课标Ⅰ卷)Writing was so difficult and painful for me that my teacher had allowed me to present my paper on the sinking of the Titanic by acting out a play，________ I played all the parts. 2．(2022·浙江1月卷)Cobb, for her part，started to ask conference organizers who invited her to speak _________ she could do so remotely ... 3．(经典高考题)We all need to get involved in saving energy _________ it's at work, at home, or at school. where whether/if [品味高考] whether 专题知识精炼 链考提能融素养 4．(经典高考题)I also water the flowers in the yard and tidy up my own bedroom ________________ necessary. whenever 专题知识精炼 链考提能融素养 My classmate Michael studied very hard 1.____ he went to senior school.Every day he kept working 2.____ everyone else in my class left the classroom.He said he wouldn't stop trying 3._______ he got satisfying scores in his studies.Hard 4._________ he tried，he made little progress.But he didn't lose heart at all 5.__________ he believed as long as he persisted he would succeed one day.6.____ time went by，he made improvements in his studies and he was admitted to a university in Beijing at last.We had a get-together party 7.________ we started our new life in university.Everyone had got offers from universities，8.____ we had a very [强化训练] after until unless as/though because/as As before so 专题知识精炼 链考提能融素养 wherever where good time.When we stood 9.________ we used to play and study，we couldn't help thinking of our happy old days.We believed we would never forget each other，10._________ we would go or whatever we would do. 专题知识精炼 链考提能融素养 谢谢观看！ $$