Unit 6 Celebrations 时间状语从句（核心语法精练）英语新教材北师大版八年级上册

**基本信息** 以“知识回顾-考点夯基-综合提升”为逻辑链，系统整合时间状语从句核心连词辨析、时态规则及易错点，通过多题型训练实现语言能力与思维品质的协同提升。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |知识回顾|1模块|连词分类（when/while等）、时态规则（主将从现/主过从过）|从定义出发，构建“连词-时态-句型”三维知识框架| |考点夯基|填空6题/选择12题/完成句子8题/句型转换6题|not...until句型转换、瞬间/延续动词匹配|针对高频考点，实现“规则理解-单题突破”| |综合提升|语法选择8题/短文填空8题|语境中时态逻辑分析、篇章连词运用|从单句到语篇，完成“知识应用-综合迁移”|

Unit 6 Celebrations 核心语法精练 （时间状语从句） 目录 二、考点夯基 2 一、用所给单词的正确形式填空 3 二、单项选择 4 三、完成句子 7 四、句型转换 8 一、语法选择 9 二、短文填空 9 时间状语从句 类别 核心连词与用法 时态规则&重难点易错点 基础定义 在复合句中，由连词引导、修饰主句动作时间的从句，用来回答“动作什么时候发生”。从句可放句首或句末，句首从句后需加逗号。 主从句主语可不同，从句时态跟随时间逻辑变化； 核心考点：时态搭配、when/while/until辨析 高频连词用法 1. when（当……时候）：可接瞬间动作/持续动作，通用型连词 2. while（当……时候）：只接持续性动作，强调过程 3. until/till（直到……）：主句动作持续到从句动作发生 4. as soon as（一……就……）：动作紧密衔接 5. before（在……之前）/ after（在……之后）：动作先后顺序 1. while从句常用进行时态，when时态灵活 2. as soon as / before / after 遵循“主将从现” 3. till不用于句首，until可用于句首、句末 核心时态规则 1. 主将从现：主句一般将来时，从句用一般现在时表将来 例：I will tell you when he comes back. 2. 主过从过：主句过去时，从句统一用过去对应时态 例：I was reading while she was singing. 绝对易错：时间状语从句中，永远不用will/won’t表将来，必须用一般现在时代替 重点句型辨析 1. not...until... 直到……才……（必考）主句否定，从句肯定，动作直到从句发生才启动 2. while引导对比：然而、与此同时 3. as soon as 侧重动作即刻发生，无间隔 1. when可替换瞬间动词场景，while不可 2. 延续动词配while，瞬间动词配when 3. not...until句型转换、同义替换为高频考题 常见易错点 1. 从句误用将来时态 （× I will go when he will come） 2. while后接瞬间动词 （× while I arrived） 3. 混淆after/before动作先后逻辑 4. not until倒装句型（进阶考点） 5. 主过去进行时+when+一般过去时（突发动作） 一、用所给单词的正确形式填空 1. I will call you as soon as he ________ (arrive) here. 2. My mother was cooking when I ________ (get) home yesterday. 3. I ________ (not go) to bed until I finish my homework tonight. 4. While my sister ________ (read) books, I was doing my homework. 5. He will play basketball after he ________ (finish) his work. 6. When I ________ (be) young, I liked swimming very much. 二、单项选择 1．I will wait here ________ you come back. A．until B．because C．so D．but 2．________ I was walking in the street, I met my old friend. A．While B．Before C．After D．Until 3．He will tell me the news ________ he sees it. A．until B．as soon as C．before D．though 4．I didn’t go to sleep ________ my father came back last night. A．when B．until C．after D．while 5．We must finish our homework ________ we watch TV. A．after B．before C．until D．as soon as 6．________ you grow older, you will know more things. A．As B．While C．Before D．Until 7．Tom was playing games ________ the teacher came in. A．while B．when C．after D．before 8．I will go shopping ________ the rain stops. A．until B．as soon as C．while D．though 9．She learned to read ________ she was five years old. A．when B．while C．until D．before 10．________ he finished his homework, he went out to play. A．Before B．After C．Until D．While 11．My parents were reading ________ I was doing homework. A．when B．while C．until D．as soon as 12．You can’t leave ________ you finish all the work. A．until B．if C．because D．though 三、完成句子 1. 我一收到邮件就告诉你。 I will tell you ________ ________ ________ I receive the email. 2. 昨天我到家时，正在下雨。 It ________ ________ when I ________ home yesterday. 3. 他直到做完作业才会看电视。 He ________ ________ TV ________ he finishes his homework. 4. 当我小时候，我经常早起。 I often got up early ________ ________ ________ young. 5. 妈妈做饭的时候，我在打扫房间。 I ________ ________ my room ________ my mother was cooking. 6. 他写完作业后就去打篮球了。 He played basketball ________ he ________ his homework. 7. 雨停之后我们就出发。 We will set off ________ the rain ________. 8. 我会一直等，直到你回来。 I will wait ________ you ________ back. 四、句型转换 1. I will go to bed after I finish my homework.（改为同义句） I ________ ________ to bed ________ I finish my homework. 2. When he arrived, we were reading books.（对划线部分提问） ________ ________ you ________ when he arrived? 3. As soon as the bell rings, we will go out.（改为同义句） We will go out ________ the bell ________. 4. He didn’t stop working until it was dark.（改为肯定句） He ________ ________ until it was dark. 5. I will tell him the news. He comes back.（合并句子） I will tell him the news ________ ________ ________ he comes back. 6. She was washing clothes. Her sister was studying.（用while合并） She was washing clothes ________ her sister ________ ________. 一、语法选择 通读短文，掌握大意，从A、B、C、D四个选项中选出最佳选项。 Last weekend, I had a great time. 1.____ I was walking in the park, I saw many people relaxing. Some kids were running 2.____ their parents were watching them carefully. I decided to take photos 3.____ I saw beautiful scenery. I 4.____ leave the park until the sun went down. 5.____ I got home, my mom was preparing dinner. She asked me to wash my hands 6.____ I ate food. I told her I would help her clean the table 7.____ I finished dinner. I believe life will be more beautiful 8.____ we learn to enjoy every moment. 1.A.While B.Before C.Until D. After 2.A.when B.while C.until D.if 3.A.as soon as B.before C.until D.though 4.A.don’t B.won’t C.didn’t D.haven’t 5.A.When B. Before C.Until D.Though 6.A.after B.before C.until D.as soon as 7.A.before B.after C.until D.though 8.A.before B.after C.when D.until 二、短文填空（语法填空） 阅读短文，用括号内所给单词的适当形式填空，每空一词。 I love reading. When I 1.____ (be) a little kid, I started to read storybooks. I won’t go to bed until I 2.____ (read) for ten minutes every night. While I 3.____ (read) yesterday evening, my father came back. He told me that he would buy me new books as soon as he 4.____ (have) free time. After I 5.____ (finish) my reading, I helped my mom do housework. I believe I will learn more knowledge when I 6.____ (keep) reading. I will never stop reading until I 7.____ (grow) up. Reading always makes me happy while I 8.____ (study) hard. 1 / 12 学科网（北京）股份有限公司 $ Unit 6 Celebrations 核心语法精练 （时间状语从句） 目录 二、考点夯基 2 一、用所给单词的正确形式填空 3 二、单项选择 4 三、完成句子 7 四、句型转换 8 一、语法选择 9 二、短文填空 9 时间状语从句 类别 核心连词与用法 时态规则&重难点易错点 基础定义 在复合句中，由连词引导、修饰主句动作时间的从句，用来回答“动作什么时候发生”。从句可放句首或句末，句首从句后需加逗号。 主从句主语可不同，从句时态跟随时间逻辑变化； 核心考点：时态搭配、when/while/until辨析 高频连词用法 1. when（当……时候）：可接瞬间动作/持续动作，通用型连词 2. while（当……时候）：只接持续性动作，强调过程 3. until/till（直到……）：主句动作持续到从句动作发生 4. as soon as（一……就……）：动作紧密衔接 5. before（在……之前）/ after（在……之后）：动作先后顺序 1. while从句常用进行时态，when时态灵活 2. as soon as / before / after 遵循“主将从现” 3. till不用于句首，until可用于句首、句末 核心时态规则 1. 主将从现：主句一般将来时，从句用一般现在时表将来 例：I will tell you when he comes back. 2. 主过从过：主句过去时，从句统一用过去对应时态 例：I was reading while she was singing. 绝对易错：时间状语从句中，永远不用will/won’t表将来，必须用一般现在时代替 重点句型辨析 1. not...until... 直到……才……（必考）主句否定，从句肯定，动作直到从句发生才启动 2. while引导对比：然而、与此同时 3. as soon as 侧重动作即刻发生，无间隔 1. when可替换瞬间动词场景，while不可 2. 延续动词配while，瞬间动词配when 3. not...until句型转换、同义替换为高频考题 常见易错点 1. 从句误用将来时态 （× I will go when he will come） 2. while后接瞬间动词 （× while I arrived） 3. 混淆after/before动作先后逻辑 4. not until倒装句型（进阶考点） 5. 主过去进行时+when+一般过去时（突发动作） 一、用所给单词的正确形式填空 1. I will call you as soon as he ________ (arrive) here. 【答案】arrives 【解析】as soon as引导时间状语从句，遵循主将从现，主语he为三单，动词用三单形式arrives。 2. My mother was cooking when I ________ (get) home yesterday. 【答案】got 【解析】主过从过，主句过去进行时，从句用一般过去时，get过去式为got。 3. I ________ (not go) to bed until I finish my homework tonight. 【答案】won’t go 【解析】not...until...句型，tonight表将来，主句用一般将来时否定形式。 4. While my sister ________ (read) books, I was doing my homework. 【答案】was reading 【解析】while引导同步持续的过去动作，主从句均用过去进行时。 5. He will play basketball after he ________ (finish) his work. 【答案】finishes 【解析】after引导时间状语从句，主将从现，主语三单，用finishes。 6. When I ________ (be) young, I liked swimming very much. 【答案】was 【解析】描述过去常态，主过从过，主语I对应be动词过去式was。 二、单项选择 1．I will wait here ________ you come back. A．until B．because C．so D．but 【答案】A 【解析】句意：我会在这里等你，直到你回来。until表示“直到……”，符合语境，故选A。 2．________ I was walking in the street, I met my old friend. A．While B．Before C．After D．Until 【答案】A 【解析】walk为持续性动作，while后接持续动作，强调动作进行过程，故选A。 3．He will tell me the news ________ he sees it. A．until B．as soon as C．before D．though 【答案】B 【解析】句意：他一看到消息就告诉我。as soon as表“一……就……”，动作即刻衔接，故选B。 4．I didn’t go to sleep ________ my father came back last night. A．when B．until C．after D．while 【答案】B 【解析】not...until...固定句型，意为“直到……才……”，故选B。 5．We must finish our homework ________ we watch TV. A．after B．before C．until D．as soon as 【答案】B 【解析】句意：我们必须看完作业再看电视。before表示“在……之前”，符合动作先后逻辑，故选B。 6．________ you grow older, you will know more things. A．As B．While C．Before D．Until 【答案】A 【解析】as引导时间状语从句，表“随着……”，侧重状态同步变化，故选A。 7．Tom was playing games ________ the teacher came in. A．while B．when C．after D．before 【答案】B 【解析】came in为瞬间动作，when可接瞬间动作，while只能接持续动作，故选B。 8．I will go shopping ________ the rain stops. A．until B．as soon as C．while D．though 【答案】B 【解析】句意：雨一停我就去购物。as soon as贴合动作即刻发生的语境，故选B。 9．She learned to read ________ she was five years old. A．when B．while C．until D．before 【答案】A 【解析】接具体年龄、时间节点，用when引导时间状语从句，故选A。 10．________ he finished his homework, he went out to play. A．Before B．After C．Until D．While 【答案】B 【解析】先完成作业，再出去玩，after表示“在……之后”，符合逻辑，故选B。 11．My parents were reading ________ I was doing homework. A．when B．while C．until D．as soon as 【答案】B 【解析】主从句均为持续性进行动作，while表同步进行，故选B。 12．You can’t leave ________ you finish all the work. A．until B．if C．because D．though 【答案】A 【解析】not...until...变形，句意：你完成所有工作才能离开，故选A。 三、完成句子 1. 我一收到邮件就告诉你。 I will tell you ________ ________ ________ I receive the email. 【答案】as soon as 【详解】as soon as 固定搭配，引导时间状语从句，表“一……就……”，遵循主将从现。 2. 昨天我到家时，正在下雨。 It ________ ________ when I ________ home yesterday. 【答案】was raining; got 【详解】when引导从句瞬间动作，主句过去进行时，从句一般过去时。 3. 他直到做完作业才会看电视。 He ________ ________ TV ________ he finishes his homework. 【答案】won’t watch; until 【详解】not...until...句型，主将从现，主句将来时否定，从句一般现在时。 4. 当我小时候，我经常早起。 I often got up early ________ ________ ________ young. 【答案】when I was 【详解】when引导过去时间状语从句，主过从过，时态统一。 5. 妈妈做饭的时候，我在打扫房间。 I ________ ________ my room ________ my mother was cooking. 【答案】was cleaning; while 【详解】while引导同步持续的过去动作，主从句均用过去进行时。 6. 他写完作业后就去打篮球了。 He played basketball ________ he ________ his homework. 【答案】after; finished 【详解】after表动作先后，主过从过，从句用一般过去时。 7. 雨停之后我们就出发。 We will set off ________ the rain ________. 【答案】after; stops 【详解】after引导从句，主将从现，主语the rain为三单，动词用stops。 8. 我会一直等，直到你回来。 I will wait ________ you ________ back. 【答案】until; come 【详解】until引导时间状语从句，主将从现，从句用一般现在时。 四、句型转换 1. I will go to bed after I finish my homework.（改为同义句） I ________ ________ to bed ________ I finish my homework. 【答案】won’t go; until 【详解】after句型可转换为not...until...，句意：直到写完作业我才上床睡觉。 2. When he arrived, we were reading books.（对划线部分提问） ________ ________ you ________ when he arrived? 【答案】What were; doing 【详解】对过去正在进行的动作提问，用what，语序为疑问语序过去进行时。 3. As soon as the bell rings, we will go out.（改为同义句） We will go out ________ the bell ________. 【答案】when; rings 【详解】as soon as与when在表即刻动作时可互换，保持主将从现规则。 4. He didn’t stop working until it was dark.（改为肯定句） He ________ ________ until it was dark. 【答案】kept working 【详解】not stop doing=keep doing，原句为过去时，keep变为kept。 5. I will tell him the news. He comes back.（合并句子） I will tell him the news ________ ________ ________ he comes back. 【答案】as soon as 【详解】两个动作紧密衔接，用as soon as引导时间状语从句合并。 6. She was washing clothes. Her sister was studying.（用while合并） She was washing clothes ________ her sister ________ ________. 【答案】while; was studying 【详解】while连接两个同步持续的过去进行动作，时态保持一致。 一、语法选择 通读短文，掌握大意，从A、B、C、D四个选项中选出最佳选项。 Last weekend, I had a great time. 1.____ I was walking in the park, I saw many people relaxing. Some kids were running 2.____ their parents were watching them carefully. I decided to take photos 3.____ I saw beautiful scenery. I 4.____ leave the park until the sun went down. 5.____ I got home, my mom was preparing dinner. She asked me to wash my hands 6.____ I ate food. I told her I would help her clean the table 7.____ I finished dinner. I believe life will be more beautiful 8.____ we learn to enjoy every moment. 1.A.While B.Before C.Until D. After 2.A.when B.while C.until D.if 3.A.as soon as B.before C.until D.though 4.A.don’t B.won’t C.didn’t D.haven’t 5.A.When B. Before C.Until D.Though 6.A.after B.before C.until D.as soon as 7.A.before B.after C.until D.though 8.A.before B.after C.when D.until 【答案】 1.A 2.B 3.A 4.C 5.A 6.B 7.B 8.C 【文章大意】短文讲述作者的周末公园之行。周末作者在公园散步时，看到许多人休闲放松，孩童奔跑嬉戏、家长细心看护。遇见美景作者便即刻拍照记录，直至日落才离开公园。回家后妈妈正在准备晚餐，叮嘱作者饭前洗手，作者承诺餐后帮忙收拾餐桌，感悟到用心享受当下，生活便会愈发美好。 【解析】 1.walking为持续动作，while强调过程，选A。 2.主从句双持续动作，while表同步进行，选B。 3.一看到美景就拍照，as soon as表即刻动作，选A。 4.last weekend提示过去时，not...until过去式否定用didn’t，选C。 5.到达家的瞬间，when接瞬间动作，选A。 6.饭前洗手，before表动作先后，选B。 7.吃完饭后收拾餐桌，after表先后顺序，选B。 8.当我们学会享受当下，生活更美好，when引导时间状语从句，选C。 二、短文填空（语法填空） 阅读短文，用括号内所给单词的适当形式填空，每空一词。 I love reading. When I 1.____ (be) a little kid, I started to read storybooks. I won’t go to bed until I 2.____ (read) for ten minutes every night. While I 3.____ (read) yesterday evening, my father came back. He told me that he would buy me new books as soon as he 4.____ (have) free time. After I 5.____ (finish) my reading, I helped my mom do housework. I believe I will learn more knowledge when I 6.____ (keep) reading. I will never stop reading until I 7.____ (grow) up. Reading always makes me happy while I 8.____ (study) hard. 【答案】 1.was 2.read 3.was reading 4.had 5.finished 6.keep 7.grow 8.am studying 【文章大意】短文介绍作者的阅读习惯。作者自幼热爱阅读，孩童时期便开始读故事书，每晚坚持阅读十分钟才入睡。昨晚阅读时父亲归家，承诺空闲时为作者购置新书。读完书后作者主动帮忙做家务，作者坚信坚持阅读能收获更多知识，会终身保持阅读习惯，在刻苦学习的同时，始终享受阅读的乐趣。 【解析】 1.小时候为过去状态，主过从过，用was。 2.every night表常态，not...until从句用一般现在时read。 3.while引导过去持续动作，用过去进行时was reading。 5.主过从过，主句过去式，从句用一般过去时had。 5.描述过去动作，用一般过去时finished。 6.will提示主将从现，从句用一般现在时keep。 7.until从句遵循主将从现，用grow。 8.while接持续进行动作，用现在进行时am studying。 1 / 12 学科网（北京）股份有限公司 $