2026-2027学年译林版九年级英语上册语法——时间+条件状语从句

该初中英语讲义围绕条件与时间状语从句构建知识体系，通过对比表格梳理状语短语与从句的区别，用引导词总览表呈现if、unless、when等核心词汇用法，结合时态规则表（主将从现等）明确重难点分布，形成清晰知识脉络。 讲义亮点在于分层设计与实战应用，基础薄弱生可通过判断短语/从句练习夯实基础，中等生聚焦引导词辨析（如if表“如果”与“是否”的区分），扎实生通过写作升级句式（如用as soon as衔接动作）提升语言能力。“主将从现”口诀助于思维品质培养，不同话题翻译练习（如建议信、节日介绍）支持学生自主复习，教师可据此实施精准分层教学。

条件状语从句+时间状语从句 状语从句 (条件&时间状语从句) 状语从句是中考复合句核心考点,承接之前宾语从句的学习,同属复合句板块,二者均由引导词连接主句与从句,但句子功能完全不同:宾语从句在句中作宾语,而时间/条件状语从句在句中作状语。 本讲义分层适配不同基础学生,配套例题、辨析、随堂练习,攻克时态混用、引导词混淆两大高频失分点。 使用建议 基础薄弱:从头完整学习,吃透状语基础、引导词基础与时态规则,完成全部基础练习; 中等水平:快速浏览句子成分铺垫,重点攻克引导词辨析、四大时态口诀; 基础扎实:跳过成分铺垫,直接学习引导词区分、易混辨析、写作句式升级。 目录 基础铺垫:分清状语短语 & 状语从句 2 时间、条件状语从句引导词总览 3 条件状语从句 3 时间状语从句 4 两大从句核心考点:时态 5 应用文写作实际运用:巧用从句升级句式 6 承接宾语从句所学:英语简单句基本句子成分——主语、谓语、宾语、表语、定语、状语。基础铺垫:分清状语短语 & 状语从句 基础铺垫:分清状语短语 & 状语从句 基础铺垫:分清状语短语 & 状语从句 基础铺垫:分清状语短语 & 状语从句 1. 什么是状语 定义:状语用来修饰动词、形容词、副词或整个句子,回答动作发生的时间、地点、方式、条件、原因等。 中文举例: ①我明天去看书。(明天修饰动作看书,时间状语) ②他坐公交上学。(坐公交修饰动作上学,方式状语) ③如果下雨,我们就不去。(如果下雨修饰整句话,条件状语) 英语中状语的“三种面孔”: 状语类型 例句 状语 单词作状语 He runs fast. 副词 fast 短语作状语 She goes to school by bus. 介词短语 by bus 从句作状语 When I was young, I liked swimming. 完整主谓结构充当状语 2. 什么是状语从句 定义:当一个完整的句子(有主谓结构) 像单个副词或短语一样,去修饰另一个句子(主句)时,这个句子就叫状语从句。它不能独立存在,必须依附于主句。 对比:状语VS 状语从句 ①状语短语:Before breakfast, I brush my teeth. (before breakfast 无主谓,是短语) ②状语从句:Before I have breakfast, I brush my teeth. (before I have breakfast 有主谓I have,是从句) 老师敲黑板:判断秘诀——看引导词后面跟的是单词/短语还是“主语+谓语”。见到“主语+谓语”,立刻锁定“从句”身份! 随堂小练习:判断划线部分是短语状语还是状语从句 1. Before dinner, I wash hands. _ 2. Before I have dinner, I wash hands. _ 3. I won’t go without your permission. _ 4. I won’t go if you don’t allow me. _ 参考答案:1.短语状语 2.状语从句 3.短语状语 4.状语从句 时间、条件状语从句引导词总览 条件状语从句时间、条件状语从句引导词总览随堂小练习:判断划线部分是短语状语还是状语从句 5. Before dinner, I wash hands. _ 6. Before I have dinner, I wash hands. _ 7. I won’t go without your permission. _ 8. I won’t go if you don’t allow me. _ 参考答案:1.短语状语 2.状语从句 3.短语状语 4.状语从句 时间、条件状语从句引导词总览 条件状语从句时间、条件状语从句引导词总览 条件状语从句 条件状语从句时间、条件状语从句引导词总览 条件状语从句时间、条件状语从句引导词总览 1. 条件状语从句引导词 ① if 如果 ② unless 除非 2. 时间状语从句引导词 ① when 当……时 ② while 当……期间 ③ as 当……/随着 ④ until 直到;not…until 直到……才 ⑤ after 在……之后;before 在……之前 ⑥ as soon as 一……就 ⑦ since 自从 条件状语从句 条件状语从句 条件状语从句 条件状语从句 1. if(如果) 含义:描述主句动作发生的前提条件,满足if从句的情况,主句动作才会发生。 例句:If it is sunny tomorrow, we will go hiking.如果明天天气晴朗,我们就去远足。 重点区分:if解释为如果,引导的条件状语从句;if解释为是否,引导的宾语从句。 2. unless(除非;如果不 = if…not) 含义:相当于 if...not,语气更强,表示只有...才...的反面条件。 公式:unless + 肯定从句 = if + 否定从句 例句:You will fail unless you work hard. = You will fail if you don’t work hard. 除非你努力学习,否则你会不及格。 易错点:① unless 本身自带否定含义,从句谓语不能再加not; 错误表达:Unless you don’t try, you can’t succeed. (双重否定,负负得正,句意全反!) 正确表达:Unless you try, you can’t succeed. (unless已含否定,从句永远用肯定形式) ② unless 只用于否定逻辑,不能替换if表“如果”的肯定条件。 错误表达:I will go shopping unless it is fine tomorrow. (逻辑错误。天气好是肯定条件,用if) 正确表达:I will go shopping if it is fine tomorrow. (unless只用于否定条件,即如果不/除非) 随堂小练习 同义句转换(unless if…not) 1. You will miss the early bus unless you get up at 6. = You will miss the early bus _ you _ get up at 6. 2. Unless my mom agrees, I can’t go to the cinema. = I can’t go to the cinema _ my mom _ agree. 3. We will go camping unless it rains this Sunday. = We will go camping _ it _ rain this Sunday. 参考答案:1. if; don’t 2. if; doesn’t 3. if; doesn’t 单项选择(区分 if 含义、unless 用法) 1. —Do you know _ we can go swimming this afternoon? —Yes. We can go if the weather _ hot. A. if; is B. unless; will be C. if; will be 2. You can’t make progress _ you keep practicing every day. A. if B. unless C. when 3. Unless Tom _ free tomorrow, he won’t join our trip. A. is B. will be C. be 4. —I don’t know _ Lisa will come to my party. —She will come _ she finishes her work on time. 参考答案:1.A 2.B 3.A 4.A 时间状语从句随堂小练习 同义句转换(unless if…not) 4. You will miss the early bus unless you get up at 6. = You will miss the early bus _ you _ get up at 6. 5. Unless my mom agrees, I can’t go to the cinema. = I can’t go to the cinema _ my mom _ agree. 6. We will go camping unless it rains this Sunday. = We will go camping _ it _ rain this Sunday. 参考答案:1. if; don’t 2. if; doesn’t 3. if; doesn’t 单项选择(区分 if 含义、unless 用法) 5. —Do you know _ we can go swimming this afternoon? —Yes. We can go if the weather _ hot. A. if; is B. unless; will be C. if; will be 6. You can’t make progress _ you keep practicing every day. A. if B. unless C. when 7. Unless Tom _ free tomorrow, he won’t join our trip. A. is B. will be C. be 8. —I don’t know _ Lisa will come to my party. —She will come _ she finishes her work on time. 参考答案:1.A 2.B 3.A 4.A 时间状语从句 时间状语从句随堂小练习 同义句转换(unless if…not) 7. You will miss the early bus unless you get up at 6. = You will miss the early bus _ you _ get up at 6. 8. Unless my mom agrees, I can’t go to the cinema. = I can’t go to the cinema _ my mom _ agree. 9. We will go camping unless it rains this Sunday. = We will go camping _ it _ rain this Sunday. 参考答案:1. if; don’t 2. if; doesn’t 3. if; doesn’t 单项选择(区分 if 含义、unless 用法) 9. —Do you know _ we can go swimming this afternoon? —Yes. We can go if the weather _ hot. A. if; is B. unless; will be C. if; will be 10. You can’t make progress _ you keep practicing every day. A. if B. unless C. when 11. Unless Tom _ free tomorrow, he won’t join our trip. A. is B. will be C. be 12. —I don’t know _ Lisa will come to my party. —She will come _ she finishes her work on time. 参考答案:1.A 2.B 3.A 4.A 时间状语从句随堂小练习 同义句转换(unless if…not) 10. You will miss the early bus unless you get up at 6. = You will miss the early bus _ you _ get up at 6. 11. Unless my mom agrees, I can’t go to the cinema. = I can’t go to the cinema _ my mom _ agree. 12. We will go camping unless it rains this Sunday. = We will go camping _ it _ rain this Sunday. 参考答案:1. if; don’t 2. if; doesn’t 3. if; doesn’t 单项选择(区分 if 含义、unless 用法) 13. —Do you know _ we can go swimming this afternoon? —Yes. We can go if the weather _ hot. A. if; is B. unless; will be C. if; will be 14. You can’t make progress _ you keep practicing every day. A. if B. unless C. when 15. Unless Tom _ free tomorrow, he won’t join our trip. A. is B. will be C. be 16. —I don’t know _ Lisa will come to my party. —She will come _ she finishes her work on time. 参考答案:1.A 2.B 3.A 4.A 1. when / while / as 时间状语从句 时间状语从句 时间状语从句 时间状语从句 引导词 核心用法 例句 when当…时 百搭: 可接短暂性动词/延续性动词; 动作可同时发生、先后发生 ①When I arrived(短动词), he was sleeping. ②When I was a child (延续), I lived in the countryside. while当…期间 进行时搭档: 只接延续性动作,从句多用进行时; 强调两段动作同步进行 ①While my mom was cooking, ②I read books. as随着; 一边…一边 伴随与渐变: 强调两个动作同时发生 或随着某一过程变化 ①As time goes by, we grow up.(随着时间流逝) ②She sang as she walked. (她边走边唱) 老师敲黑板(当堂检测): _ I was walking down the street, I met an old friend. (答案:While / As,强调过程) _ I got to the station, the train had left. (答案:When,强调先后,瞬间动作) 2. before / after before:在……之前(从句动作先发生,主句在后) Wash hands before you eat meals. 饭前洗手。 after:在……之后(从句动作完成后,主句才发生) I will call you after I get home. 我到家后给你打电话。 3. as soon as 一…就… 强调从句动作一结束,主句动作立刻发生。 I will tell you the news as soon as I see him. 我一见到他就告诉你这个消息。 4. until / not…until ① until 直到……(主句动作持续到从句动作发生才停止,主句谓语为延续性动词) I will wait here until you come back. 我会在这等你,直到你回来。 ② not…until 直到……才(主句动作在从句动作发生后才启动,主句多用短暂动词) I didn’t go to bed until my father came home. 直到爸爸回家,我才上床睡觉。 5. since 自从 ① 时态固定:主现完,从一过(主句用现在完成时,从句用一般过去时) I have lived here since I was ten. 我从十岁起就住在这里。 ② 拓展:It is/has been + 时间段 + since + 一般过去时从句 It is/has been three years since we met. 我们相识已经三年了。随堂小练习:选词填空(when / while / as soon as / until / unless) 1. _ I was walking past the shop, I saw a nice bag. 2. I will give you the gift _ I meet you tomorrow. 3. He didn’t stop working _ it was dark. 4. You can’t pass the exam _ you practice more. 5. _ the sun rises, the fog disappears. 参考答案:1.While 2.as soon as 3.until 4.unless 5.As 两大从句核心考点:时态 写作实际运用:巧用从句升级句式两大从句核心考点:时态随堂小练习:选词填空(when / while / as soon as / until / unless) 6. _ I was walking past the shop, I saw a nice bag. 7. I will give you the gift _ I meet you tomorrow. 8. He didn’t stop working _ it was dark. 9. You can’t pass the exam _ you practice more. 10. _ the sun rises, the fog disappears. 参考答案:1.While 2.as soon as 3.until 4.unless 5.As 总口诀:主讲从现,主祈从现,主现从现,主过从过两大从句核心考点:时态 写作实际运用:巧用从句升级句式两大从句核心考点:时态 两大从句核心考点:时态 写作实际运用:巧用从句升级句式两大从句核心考点:时态 口诀 主句时态 从句时态 例句 主将从现 一般将来时 一般现在时 If it rains tomorrow, we will stay at home. 主祈从现 祈使句 (Do...) 一般现在时 Turn off the lights before you leave. 主现从现 一般现在时 一般现在时 I always take an umbrella if it rains. 主过从过 一般过去时/过去进行时 一般过去时/过去进行时 He said he would help me if he was free. 超级易混专项:if 的“双面人生” if身份 从句类型 时态规则 例句 如果 条件状语从句 主将从现/主现从现/主祈从现/主过从过 If it rains tomorrow, I will stay home. 是否 宾语从句 主现从任意/主过从必过/真理永一现 I don't know if it will rain tomorrow. 老师敲黑板:看到if,先别急着翻译!看它在句中充当什么成分。如果if引导的句子是“条件”,即意为如果,就用主将从现;如果if跟在动词后作“宾语”,那就是“是否”,时态跟着语境走。 随堂小练习:动词填空 1. If he _ (come) tomorrow, I _ (tell) him the news. 2. Please wait here until your mother _ (return). 3. She usually _ (watch) TV after she _ (finish) her supper. 4. I _ (not go) to bed until my father _ (come) back last night. 5. As soon as I _ (arrive) in Beijing, I _ (call) you. 6. I wonder if he _ (pass) the exam. — He will if he _ (work) harder. 参考答案:1. comes; will tell 2. returns 3. watches; finishes 4. didn't go; came 5. arrive; will call 6. will pass; works 写作实际运用:巧用从句升级句式随堂小练习:动词填空 7. If he _ (come) tomorrow, I _ (tell) him the news. 8. Please wait here until your mother _ (return). 9. She usually _ (watch) TV after she _ (finish) her supper. 10. I _ (not go) to bed until my father _ (come) back last night. 11. As soon as I _ (arrive) in Beijing, I _ (call) you. 12. I wonder if he _ (pass) the exam. — He will if he _ (work) harder. 参考答案:1. comes; will tell 2. returns 3. watches; finishes 4. didn't go; came 5. arrive; will call 6. will pass; works 在书面表达中,满篇简单句是得低分的标志。巧妙使用状语从句,是提分“神器”!写作实际运用:巧用从句升级句式 1. 示范 升格示范一:条件句,让建议更有力 基础写法:Study hard. You will get good grades. 升格写法(if):If you study hard, you will get good grades. (更有说服力) 升格示范二:时间句,让记叙更连贯 基础写法:I finished my homework. I began to watch cartoons. 升格写法(as soon as):As soon as I finished my homework, I began to watch cartoons. (动作衔接更紧凑) 升格示范三:not...until,让描写更生动 基础写法:The rain stopped. We went out. 升格写法:We didn't go out until the rain stopped. (突出等待的过程) 2. ️写作练习:应用文语境 状语从句翻译专项 话题一:建议信/求助回信 1) 如果你感到压力太大,你可以向老师或父母寻求帮助。(if) _ 2) 当你学习累了的时候,出去散散步是个好主意。(when) _ 3) 如果你每天能花一些时间和朋友交谈,你会感觉好多了。(if) _ 4) 当你有困难时,不要害怕向别人求助。(when) _ 5) 如果父母不允许你看电视,你可以和他们好好谈谈。(if) _ 6) 如果你晚上早点睡觉,第二天上课就不会犯困。(if) _ 话题二:推荐信 1) 除非你了解他,否则你无法想象他有多耐心。(unless) _ 2) 自从他进入中学以来,他一直很努力。(since) _ 3) 除非你亲自和他一起学习,你不会相信他有多乐于助人。(unless) _ 4) 自从他开始组织班级活动以来,他已经赢得了大家的信任。(since) _ 话题三:介绍传统节日 1) 当中秋节来临时,家人们会聚在一起赏月吃月饼。(when) _ 2) 随着时间流逝,越来越多的人开始重视传统节日。(as) _ 3) 当春节到来时,孩子们会收到长辈给的红包。(when) _ 4) 随着我们长大,我们逐渐理解了传统节日的重要意义。(as) _ 话题四:健康生活/演讲稿 1) 如果我们多吃蔬菜少吃垃圾食品,我们会更有精力。(if) _ 2) 在你去睡觉之前,可以做一些简单的运动。(before) _ 3) 如果你每天坚持锻炼30分钟,你的身体会更强壮。(if) _ 4) 在你完成作业之后,记得要放松一下自己。(after) _ 5) 如果你遵循以上建议,你一定会拥有一个健康快乐的生活。(if) _ 话题五:投稿/记叙经历 1) 我一完成作业,就开始帮妈妈做家务。(as soon as) _ 2) 直到他把所有的实验步骤都做完,他才离开实验室。(until / not...until) _ 3) 她一听到这个好消息,就开心地笑了起来。(as soon as) _ 4) 我们直到雨停了才走出教室。(not...until) _ 话题六:咨询信/表达烦恼 1) 自从我上初三以来,我几乎没有时间看电视。(since) _ 2) 直到妈妈回来,我才上床睡觉。(not...until) _ 附加挑战:同一话题下状语从句的混合运用 背景:你在给笔友写信介绍你的学校生活。 如果我有空,我会和同学们一起打篮球。当我感到疲惫时,我喜欢听音乐来放松自己。除非你亲自来我们学校,你不会知道我们的校园有多美。 _ _ _ 参考答案(附状语从句类型标注) 话题一 1) If you feel too stressed, you can ask your teachers or parents for help. (if条件句,主将从现) 2) When you are tired of studying, going out for a walk is a good idea. (when时间状语从句) 3) If you can spend some time talking with your friends every day, you will feel much better. (if条件句) 4) When you have problems, don't be afraid to ask others for help. (when时间状语从句) 5) If your parents don't allow you to watch TV, you can have a good talk with them. (if条件句) 6) If you go to bed earlier at night, you won't feel sleepy in class the next day. (if条件句) 话题二 1) Unless you know him well, you can't imagine how patient he is. (unless条件句,注意从句用肯定形式) 2) He has been very hard-working since he entered middle school. (since时间状语从句,主句现在完成时) 3) Unless you study with him by yourself, you won't believe how helpful he is. (unless条件句) 4) He has won everyone's trust since he began to organize class activities. (since时间状语从句) 话题三 1) When the Mid-Autumn Festival comes, family members get together to enjoy the moon and eat mooncakes. (when时间状语从句,表习惯用主现从现) 2) As time goes by, more and more people begin to value traditional festivals. (as时间状语从句,表示“随着”) 3) When the Spring Festival arrives, children will receive red packets from their elders. (when时间状语从句,表将来用主将从现) 4) As we grow older, we gradually understand the important meaning of traditional festivals. (as时间状语从句) 话题四 1) If we eat more vegetables and less junk food, we will have more energy. (if条件句) 2) Before you go to bed, you can do some simple exercise. (before时间状语从句) 3) If you keep exercising for 30 minutes every day, your body will be stronger. (if条件句) 4) After you finish your homework, remember to relax yourself. (after时间状语从句) 5) If you follow the suggestions above, you will surely live a healthy and happy life. (if条件句) 话题五 1) I began to help my mother with housework as soon as I finished my homework. (as soon as时间状语从句,描述过去用一般过去时) 2) He didn't leave the lab until he finished all the experiment steps. (not...until时间状语从句) 3) She laughed happily as soon as she heard the good news. (as soon as时间状语从句) 4) We didn't go out of the classroom until the rain stopped. (not...until时间状语从句) 话题六 1) I have had little time to watch TV since I entered Grade 9. (since时间状语从句,主句现在完成时) 2) I didn't go to bed until my mother came back. (not...until时间状语从句) 附加挑战 (参考译文) If I am free, I will play basketball with my classmates. (if条件句) When I feel tired, I enjoy listening to music to relax myself. (when时间状语从句) Unless you come to our school yourself, you won't know how beautiful our campus is. (unless条件句) 2 / 2 学科网(北京)股份有限公司 $