Unit 3 语法讲解及习题：时间状语从句2026-2027学年译林版九年级英语上册

该初中英语知识清单系统梳理了译林九上Unit3时间状语从句语法内容，涵盖before/after/when/while/since/till/until/as soon as/whenever八个连词，搭建了从“基础用法-关键规则-易混区分”的递进式学习支架。 清单通过“分类板块+易混对比+分层题型”构建知识体系，如标注“while只能接延续动词”等重难点，设计选词填空、句型转换等题型培养语言能力和思维品质。答案附逐题解析，助力学生自主纠错，教师可据此精准教学，提升课堂实效。

译林英语九上Unit3语法讲解及习题：时间状语从句（before/after/when/while / since/till/until / as soon as/whenever） 一、语法板块 A：Using before, after, when and while （一）单词释义与基础用法 连词 含义 核心规则 例句 when 当…… 时 可接短暂性动词 / 延续性动词；动作可同时发生或先后发生 When he met difficulties, he never chose to give up.（当他遭遇困境时，他从不选择放弃。） while 当…… 期间 只能接延续性动词，从句常用进行时，强调动作同步持续 While he was training hard, he hurt his legs badly.（他刻苦训练的时候，腿受了重伤。） before 在…… 之前 主句动作发生在从句动作之前 He had a strong will before he became famous.（成名之前他就拥有强大的意志。） after 在…… 之后 主句动作发生在从句动作之后 After he recovered from illness, he kept chasing his dream.（康复之后，他继续追逐梦想。） （二）关键语序规则 1. 连词放句首：从句后必须加逗号，再接主句 Before he gave up, he tried every possible way. 2. 连词放句中：无需逗号 He tried every possible way before he gave up. （三）when vs while 易混区分 · when + 短暂动词：When the accident happened, he was training. · while + 延续动词（进行时）：While he was training, the accident happened. 二、语法板块 B：Using since, till and until （一）since 1. 含义：自从……（从过去某一时间持续到现在） 2. 时态搭配：主句现在完成时，从句一般过去时 例句：Since he was 12, he has kept practicing every day. 3. 用法位置：可放句首或句中 （二）till /until 1. 含义：直到…… 为止，二者通用；till 更口语，until 正式 2. 肯定句：主句延续动词，动作持续到从句时间停止 He will keep trying till/until he achieves his goal. 3. 否定句：not…till/until 直到…… 才（核心考点） He didn’t know the truth until his teacher told him. （三）时态提示 till/until 前后时态保持一致；since 严格遵循 “现完 + 一过” 搭配。 三、语法板块 C：Using as soon as and whenever （一）as soon as 1. 含义：一…… 就……，动作紧随发生 2. 时态规则：主将从现（主句将来时，从句一般现在时） I will call you as soon as I get good news about my dream. （二）whenever 1. 含义：无论何时，每次每当，引导让步类时间状语 2. 时态：时态随主句灵活变化 Whenever he meets trouble, he thinks of Stephen Hawking. （三）位置规则 as soon as /whenever 可置于句首（加逗号）或句中。 三、综合练习题 题型一：选词填空 1. _________she was practicing the piano, she hurt her fingers. 2. He worked hard _________he won the big competition. 3. _________he started his dream journey, he prepared for years. 4. I felt proud _________I watched him stand on the stage. 5. _________they were talking about Hawking, they admired his spirit. 6. He never stopped trying _________he failed many times. 7. _________the accident happened, he was running on the playground. 8. He became a coach _________he couldn’t be a player anymore. 题型二：用 since /till/until 填空 1. He has loved space science _________he read Hawking’s book. 2. I won’t stop studying _________I get into my dream university. 3. She didn’t realize her weak points _________her teacher told her. 4. _________he was 8 years old, he has kept writing science articles. 5. Wait here _________your mum comes back with your training tools. 6. We won’t give up _________we finally make our dreams come true. 7. He didn’t know how hard the dream road was _________he started it. 8. This has been his biggest wish _________he watched a space speech. 题型三：as soon as /whenever 填空 + 句型转换 填空 1. _________I feel like giving up, I remember Hawking’s story. 2. I will tell you the result _________the match ends. 3. _________he faces a hard task, he sticks to it. 4. I’ll start my training _________I finish my school homework. 5. _________you meet challenges, don’t lose your confidence. 合并句子 1. I will finish my plan. I will tell you at once.（as soon as） 2. He meets difficulties. He never gives up.（whenever） 3. You get good grades. I will buy you training equipment.（as soon as） 4. She thinks of her dream. She feels full of power.（whenever） 5. The class is over. I will go to practice running.（as soon as） 题型四：单项选择 1. My dad has loved climbing _________he was a teenager. A. when B. since C. until D. while 2. _________I was reading about Hawking, my sister came in. A. While B. Before C. As soon as D. Whenever 3. He won’t stop practicing _________he wins the gold medal. A. since B. until C. after D. when 4. I will write to you _________I arrive at the training centre. A. whenever B. while C. as soon as D. until 5. _________you feel tired, just take a short break and keep going. A. As soon as B. Whenever C. Before D. After 6. He worked hard _________he took part in the national match. A. after B. before C. while D. since 7. They didn’t understand the power of will _________they read the story. A. till B. since C. while D. as soon as 8. _________the match finishes, we will go to ask the winner for advice. A. Whenever B. While C. As soon as D. Before 四、参考答案 + 逐题解析 题型一 before/after/when/while 答案 + 解析 1. While 解析：从句 was practicing 为延续进行时，只能用 while 2. before 解析：夺冠之前他一直刻苦训练，动作先后 3. Before 解析：开启追梦之路前，他准备了数年，句首加逗号 4. when 解析：当我看见他站上舞台，短暂场景，用 when 5. While 解析：过去进行时 were talking，同步动作用 while 6. when 解析：当他多次失败时，他从未放弃，when 接短暂 / 延续均可 7. When 解析：事故发生是短暂动作，只用 when 8. after 解析：不能做运动员之后，他成为教练，先后顺序 题型二 since/till/until 答案 + 解析 1. since 解析：主句现在完成时 has loved，从句一般过去时，用 since 2. until/till 解析：肯定句，动作持续到考上理想大学为止 3. until/till 解析：not…until 直到老师告诉他，他才意识到短板 4. Since 解析：主句现完 has kept，从句一过，句首大写 Since 5. till/until 解析：在这等，直到妈妈带回训练器材 6. until/till 解析：我们不会放弃，直到梦想成真 7. until/till 解析：not…until 踏上追梦路才知道路途艰难 8. since 解析：主句 has been，自他看完太空演讲起 题型三 as soon as /whenever 答案 + 解析 填空 1. Whenever 解析：每当我想放弃，就想起霍金的故事 2. as soon as 解析：比赛一结束我就告诉你结果，主将从现 3. Whenever 解析：无论何时面对难题，他都坚持到底 4. as soon as 解析：一写完作业我就开始训练 5. Whenever 解析：每当你遇到挑战，不要失去信心 合并句子 1. I will tell you as soon as I finish my plan. 解析：as soon as 引导一…… 就，从句一般现在表将来 2. Whenever he meets difficulties, he never gives up. 解析：whenever 每当，句首从句加逗号 3. I will buy you training equipment as soon as you get good grades. 4. Whenever she thinks of her dream, she feels full of power. 5. I will go to practice running as soon as the class is over. 题型四 单项选择答案 + 解析 1. B 解析：主句 has loved 现完，表自从少年时期，用 since 2. A 解析：was reading 过去进行时，同步动作用 while 3. B 解析：not…until 固定搭配，直到夺冠才停止训练 4. C 解析：一到达训练中心就写信，as soon as 表立刻紧随 5. B 解析：无论何时感到疲惫，短暂休息再坚持，whenever 无论何时 6. B 解析：参加全国比赛之前他刻苦训练，before 在… 之前 7. A 解析：not…till 直到读完故事才明白意志的力量 8. C 解析：比赛一结束我们就去请教获胜者，as soon as 一…… 就 ( 1 ) 学科网（北京）股份有限公司 $