when时间状语从句讲解教案教程文件

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状语从句全类型讲解教案

状语从句全类型讲解教案一、引言。

状语从句是复合句的一种，用来修饰主句，表示时间、原因、条件、让步、目的等不同的关系。

状语从句的类型有很多，包括时间状语从句、原因状语从句、条件状语从句、让步状语从句、目的状语从句等。

掌握状语从句的不同类型对于提高写作和阅读能力非常重要。

本教案将全面讲解状语从句的各种类型，帮助学生更好地掌握状语从句的用法。

二、时间状语从句。

时间状语从句用来表示主句发生的时间，常见的引导词有when, while, as, before, after, since, until等。

例如：When I was young, I used to play basketball every day.After she finished her homework, she went to bed.时间状语从句表示的时间可以是过去、现在或将来，根据主句的时态来确定。

需要注意的是，如果主句是一般现在时，时间状语从句通常使用一般过去时表示过去的动作或状态；如果主句是一般过去时，时间状语从句通常使用过去完成时表示更早的过去。

三、原因状语从句。

原因状语从句用来表示主句发生的原因，常见的引导词有because, since, as, for, now that等。

例如：Because it was raining, we stayed at home.Since she was tired, she went to bed early.原因状语从句表示的原因可以是客观原因或主观原因，需要根据具体语境来确定。

需要注意的是，原因状语从句通常放在主句之前，用逗号隔开时则可以放在主句之后。

四、条件状语从句。

条件状语从句用来表示主句发生的条件，常见的引导词有if, unless, provided that, on condition that等。

例如：If it rains tomorrow, we will stay at home.Provided that you finish your homework, you can go outto play.条件状语从句表示的条件可以是真实的、非真实的或虚拟的，需要根据具体语境来确定。

while和when引导的时间状语从句主句用一般时备课讲稿

while和when引导的时间状语从句,主句用（一般过去时）从句用（过去进行）.while引导的从句要加延续性动词，而when 延续和短暂性动词都可以，。

6. 另外，when和while的区别还在于：while引导的时间状语从句多用过去进行时态，而when引导的时间状语从句多用一般过去时态。

While they were talking , the bell rang.正在他们谈话的时候，上课铃响了。

I was doing my homework when my mother came back home yesterday evening.昨天晚上妈妈回家的时候，我正在做家庭作业。

我在做饭的时候简正在练习。

当此句改变主从句的位置时，则用when引导。

老师进来时（这一时刻），他们在擦地板。

他们正擦地板时（这段时间），老师进来了。

2. when 说明从句的动作和主句的动作可以是同时，也可以是先后发生；while 则强调主句的动作在从句动作的发生的过程中或主从句1.While we____(wait)for the bus,a girl__________(run)up tous.2.I__________(telephone)a friend whenBob__________(come)in.6.While mother______(put)Cathy to bed,the doorbell_______(ring).7.when I________(walk)in the park,it__________(begin) to rain.9.George____(read)when they______(hear)a knock at the door.1.I_____(have)my breakfast t at half past six yesterday morning.3.What_____you___(do)at that time? We_____(watch)TV.6.____they___(have)a meeting at 4 yesterdayafternoon?No,they_____.They_____(clean)the classroom.13.When the bell rang,jenny_____(wait )in her seat.14.She_____(make)her dress the whole afternoon.1 .I ______ a meal when you _____ me.a. cooked, were ringingb. was cooking, rangc. was cooking, were ringingd. cooked, rang2.He said he _____ to draw a plane on the blackboard at that time.a. triesb. triedc. was tryingd. will try3.While she ______ TV, she ______ a sound outside the room.a. was watching, was hearingb. watched, was hearingc. watched, heardd. was watching, heard4.They _____ a football game from 7 to 9 last night.a. were watchingb. watchc. watchedd. are watching10.He ____ his father on the farm the whole afternoon last Saturday.a. helpsb. would helpc. was helpingd. is helping11.While mother _______ some washing, I _____ a kite for Kate.a. did, madeb. was doing, madec. was doing, wasmaking d. did, was making13.He ____ some cooking at that time, so he _____ mea. did, heardb. did, didn't hearc. was doing, heardd. was doing, didn't hear14.This time yesterday jack _____ his bike. He _____ TVa. repaired, didn't watchb. was repairing, watchedc. repaired, watchedd. was repairing, wasn't watching。

八年级时间状语从句教案

八年级时间状语从句教案一、教学目标：1. 让学生掌握时间状语从句的定义和用法。

2. 让学生能够正确地运用时间状语从句表达时间背景和动作发生的时间。

3. 提高学生英语句子构建和表达的能力。

二、教学重难点：1. 重点：时间状语从句的定义、结构和用法。

2. 难点：正确运用时间状语从句表达具体场景。

三、教学方法：1. 采用情境教学法，通过设定各种场景，让学生在实际语境中学习、运用时间状语从句。

2. 用例句解析法，分析典型例句，使学生掌握时间状语从句的用法。

3. 采用分组讨论法，让学生分组讨论，共同探讨时间状语从句的运用。

四、教学内容：1. 时间状语从句的定义和结构。

2. 常见的时间状语从句引导词：when, whenever, while, as soon as, before, after, until, since, for等。

3. 各时间状语从句引导词的用法和例句。

五、教学过程：1. 导入：通过提问方式引导学生回顾并列句的概念，为新课学习做铺垫。

2. 讲解：讲解时间状语从句的定义、结构和常见引导词，结合例句进行分析。

3. 练习：让学生用所学的引导词填空，构成时间状语从句，并进行分组讨论。

4. 场景模拟：设置各种场景，让学生运用时间状语从句进行实际操作。

6. 作业布置：布置相关练习题，巩固所学知识。

六、教学反馈：1. 课堂提问：通过提问了解学生对时间状语从句的理解程度。

2. 练习情况：观察学生在练习中的表现，了解他们对时间状语从句的掌握情况。

3. 场景模拟：评估学生在场景模拟中的表现，检验他们运用时间状语从句的能力。

七、教学拓展：1. 对比并列句和时间状语从句的用法，让学生了解两者的区别。

2. 介绍时间状语从句在实际生活中的应用，提高学生英语运用能力。

3. 引导学生关注时间状语从句在其他英语语法中的运用，如条件状语从句、地点状语从句等。

八、教学评估：1. 课堂练习：评估学生在课堂练习中的表现，了解他们对时间状语从句的掌握程度。

while和when引导时间状语从句主句用一般时备课讲稿

精选文档while 和 when 指引的时间状语从句 ,主句用（一般过去时）从句用（过去进行） .while 指引的从句要加持续性动词，而when持续和短暂性动词都能够，。

6.此外，when 和 while 的差别还在于： while 指引的时间状语从句多用过去进行时态，而 when 指引的时间状语从句多用一般过去时态。

While they were talking , the bell rang.正在他们讲话的时候，上课铃响了。

I was doing my homework when my mother came back home yesterday evening.昨天夜晚妈妈回家的时候，我正在做家庭作业。

I am cooking while Jane is practicing.我在做饭的时候简正在练习。

当此句改变主从句的地点时，则用when 指引。

When the teacher came in They were sweeping the floor ，w e were talkingwhen the teachercame in.老师进来时（这一时辰），他们在擦地板。

While they were sweeping the floor，the teacher came in.他们正擦地板时（这段时间），老师进来了。

2.when 说明从句的动作和主句的动作能够是同时，也能够是先后发生；while 则重申主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。

比如：They were singing while we were dancing.He fell asleep when he was reading.他看书时睡着了。

1.While we____(wait)for the bus,a girl__________(run)upto us.2.I__________(telephone)a friend whenBob__________(come)in.6.While mother______(put)Cathy to bed,the doorbell_______(ring).7.when I________(walk)in the park,it__________(begin) to rain.9.George____(read)when they______(hear)a knock at the door.1.I_____(have)my breakfast t at half past six yesterday morning.3.What_____you___(do)at that time? We_____(watch)TV.6.____they___(have)a meeting at 4 yesterdayafternoon?No,they_____.They_____(clean)the classroom.13.When the bell rang,jenny_____(wait )in her seat.14.She_____(make)her dress the whole afternoon.1 .I ______ a meal when you _____ me.a. cooked, were ringingb. was cooking, rangc. was cooking, were ringingd. cooked, rang2.He said he _____ to draw a plane on the blackboard at that time.a. triesb. triedc. was tryingd. will try3.While she ______ TV, she ______ a sound outside the room.a. was watching, was hearingb. watched, was hearingc. watched, heardd. was watching, heard4.They _____ a football game from 7 to 9 last night.a. were watchingb. watchc. watchedd. are watching10.He ____ his father on the farm the whole afternoon last Saturday.a. helpsb. would helpc. was helpingd. is helping11.While mother _______ some washing, I _____ a kite for Kate.a. did, madeb. was doing, madec. was doing, wasmaking d. did, was making13.He ____ some cooking at that time, so he _____ mea. did, heardb. did, didn't hearc. was doing, heardd. was doing, didn't hear14.This time yesterday jack _____ his bike. He _____ TVa. repaired, didn't watchb. was repairing, watchedc. repaired, watchedd. was repairing, wasn't watching。

九年级英语新目标时间状语从句教案

九年级英语新目标时间状语从句教案个性化辅导教案授课时间：备课时间：年级：初三科目：英语学生姓名：课题：时间状语从句老师姓名：教学目标1. 区别when 和while2. 区别before , after, not...until3. 复习as soon as “一... 就...”4. 复习since 的用法：重点难点1.when 和while 的用法区别2.状语从句的时态呼应教学内容Clauses of time (时间状语从句)的复习介绍时间状语从句的连接词：when , while, before, just before, after, just after , soon after, as soon as , not... until, since. 这些连接词后接句子构成时间状语从句表时间，说明主句动作发生的时间。

若就时间状语从句提问，应用when 来提问。

如：While we were sweeping the floor, the bell rang. (就划线部分提问)When did the bell rang ?时间状语从句可放主句之后，也可放主句之前。

如：(1) His mother was cooking supper when he came back from school.When he came back from school , his mother was cooking supper.(2) I will tell him about it as soon as I see him.As soon as I see him, I will tell him about it .第一环节：区别when 和while第一步呈现对比句，理解句子意思。

1. He was doing his homework when his mother came home.When he was doing his homework , his mother came home.2．While (when) I was watching TV, the phone rang.While I was watching TV , my father was reading newspaper.3. When I was leaving school, I saw an accident happen.I was leaving school, when I saw an accident happen.第二步让学生自行小结when 和while 的区别并汇报。

英语语法状语从句时间状语从句讲解教案

英语语法状语从句时间状语从句讲解教案引言：本教案将详细讲解英语语法中的状语从句，以及特别关注于时间状语从句的用法和使用技巧。

通过本教案的学习，学生将能够更好地理解和运用时间状语从句，提高自己的英语语法水平。

一、状语从句概述状语从句是一个从句，用来作为句子的状语，对句子的主句进行修饰或者限制。

它可以用来表达时间、地点、原因、条件等多种语义。

本教案主要聚焦于时间状语从句的使用。

二、时间状语从句的引导词时间状语从句通常由引导词引导，以下是常用的引导词：1. when：当...的时候，表示某一特定事件发生的时间点；2. while：当...的时候，表示主句和从句两个事件同时进行；3. before：在...之前，表示主句的动作发生在从句之前；4. after：在...之后，表示主句的动作发生在从句之后；5. as soon as：一...就，表示主句的动作紧接着从句的动作；6. until/till：直到...为止，表示主句的动作一直持续到从句的动作发生。

三、时间状语从句的结构和用法1. 结构：时间状语从句的结构是从句+主句。

从句使用引导词引导，主句是完整的句子。

2. 用法：时间状语从句的作用是描述主句中的动作发生的时间或者顺序。

时间状语从句可以置于主句之前或之后，具体位置要根据语境和语义要求来确定。

四、时间状语从句的例子和练习以下是一些时间状语从句的例子，通过练习来加深学生对时间状语从句的理解和运用。

1. When she arrived, we had already finished our dinner.（当她到达时，我们已经吃完晚饭了。

）2. I will go to bed as soon as I finish this book.（我一读完这本书就去睡觉。

）3. He didn't go to school until he was seven years old.（直到他七岁时他才上学。

高考英语时间状语从句教案

龙文教育个性化辅导教案教师：赵彦青学生：________ 时间:_____年_____月____日时间段一、授课目的与考点分析：目的：状语从句里的时间状语从句是考试重点，也是学生十分易混淆的地方，本教案为了方便学生记忆，提高学生对时间状语从句的理解，进行四类总结。

考点分析：山东省高考选择题每天都会出现状语从句的题，而且状语从句是写作的重点句型，十分重要。

二、授课内容：时间状语从句1、当······时when while as2、一······就as soon as hardly…when no sooner…than the moment the minute(s) immediatelyInstantly the instant once3、直到······才till until not until4、在······之前，在······之后before after since1、when while asWhe n①引导的状语从句十二字方针：主将从现，主祈从现，主情从现。

e.g.: I will call you when I come back.You should call me when you come back.Please call me when you come back.②when用于并列句中，是“那时，这时”的意思，常用句式：sb. was doing sth. When…; sb. was about to\going to do\on the point of doing sth. When…; sb. had just done sth. when….e.g.: We were having meeting when someone broke in.③when可以引导一个持续动作，也可以引导一个短暂动作，可以用于主句和从句动作同时发生，也可用于从句动作先作。

时间状语从句初中教案

时间状语从句初中教案课程目标：1. 学生能够理解时间状语从句的概念和用法。

2. 学生能够正确地识别和运用时间状语从句。

3. 学生能够运用时间状语从句表达过去、现在和将来的时间。

教学重点：1. 时间状语从句的连接词：when, whenever, while, as soon as, before, after, until, since, for 等。

2. 时间状语从句的时态用法。

教学难点：1. 时间状语从句的连接词的用法和区别。

2. 时间状语从句的时态的运用。

教学准备：1. PPT课件。

2. 相关练习题。

教学过程：Step 1：导入引导学生回顾之前学过的状语从句，如地点状语从句、原因状语从句等，让学生初步了解状语从句的概念。

Step 2：新课导入介绍时间状语从句的概念和用法。

通过举例说明时间状语从句是如何修饰动词或整个句子的。

Step 3：讲解时间状语从句的连接词讲解常见的时间状语从句的连接词，如when, whenever, while, as soon as, before, after, until, since, for等，并给出示例。

Step 4：时间状语从句的时态用法讲解时间状语从句的时态用法，包括一般现在时、一般过去时、一般将来时等。

通过例句让学生理解不同时态在时间状语从句中的运用。

Step 5：练习让学生通过PPT上的练习题，巩固时间状语从句的连接词和时态用法。

解答学生的问题，并提供指导。

Step 6：小组活动让学生分组，用时间状语从句编写句子，并互相交换检查和纠正。

鼓励学生创造性地运用所学知识。

Step 7：总结对本节课的内容进行总结，强调时间状语从句的连接词和时态用法。

鼓励学生在日常生活中多运用时间状语从句。

Step 8：作业布置布置相关的作业，让学生巩固所学知识。

教学反思：通过本节课的教学，学生应该已经掌握了时间状语从句的概念和用法，能够正确地识别和运用时间状语从句。

在教学过程中，要注意引导学生理解和运用不同时间状语从句的连接词和时态。

when引导的状语从句PPT课件

学习when引导的状语从句
.
1
学习when引导的状语从句
1.当他打开门时，他看到了这只鸟。 When he opened the door, he saw the bird.
从句
主句
2.当她六岁时，她会下棋。 When she was six years old, she could play chess.
C. watch; rings D. are watching; rang
.
8
动词填空
1.When he __w_a_s___(be) nine years old, he could swim.
2.Johnc_ou_l_d_(can) draw a horse when he was in Grade One. 3.The boy could _p_la_y__(play) the guitar at he age of seven.
9
知识点测试
( )1. He was very stressed out in the speech competition.
A. five minute B. five-minutes C. five-minute
当蒂娜三年级时，她开始学习英语。
Tina stared learning English when she was in Grade Three. = When Tina was in Grade Three, she stared learning English .
.
5
• 主过从过
• 主将从现
从句
主句
When 引导的时间状语从句，译为“当……的时候”
.
2
1.当他打开门时，他看到了这只鸟。

教案状语从句初中

教案状语从句初中课程目标：1. 学生能够理解状语从句的概念和作用；2. 学生能够识别和运用状语从句的不同类型；3. 学生能够在句子中正确使用状语从句。

教学内容：1. 状语从句的定义和作用；2. 状语从句的类型：地点状语从句、时间状语从句、原因状语从句、条件状语从句等；3. 状语从句的连接词：where、when、why、if、until等。

教学步骤：一、导入（5分钟）1. 引导学生回顾所学过的定语从句和宾语从句，复习其概念和用法；2. 提问：我们已经学习了定语从句和宾语从句，那么有没有同学听说过状语从句呢？什么是状语从句呢？二、新课讲解（15分钟）1. 讲解状语从句的定义和作用：状语从句是用来修饰动词、形容词、副词或整个句子的从句，它起到状语的作用；2. 讲解状语从句的类型：地点状语从句、时间状语从句、原因状语从句、条件状语从句等；3. 讲解状语从句的连接词：where（在哪里）、when（什么时候）、why（为什么）、if （如果）、until（直到）等；4. 举例讲解并让学生跟读不同类型的状语从句。

三、课堂练习（15分钟）1. 让学生分组，每组编写一个含有状语从句的句子，并展示给其他组；2. 让学生互相纠正和评价，教师进行指导和讲解；3. 让学生在小组内互相练习使用状语从句，加强理解和运用。

四、课堂小结（5分钟）1. 教师引导学生总结本节课所学的内容，包括状语从句的定义、类型和连接词等；2. 强调状语从句在句子中的作用和重要性；3. 提醒学生要注意状语从句的使用时机和位置。

五、作业布置（5分钟）1. 让学生回家后编写三个含有不同类型状语从句的句子，并写在作业本上；2. 要求学生在句子中正确使用状语从句，并注意连接词的使用。

教学反思：本节课通过讲解和练习，让学生了解了状语从句的概念、类型和连接词等知识。

在课堂练习环节，学生能够分组编写含有状语从句的句子，并在小组内进行练习和展示。

但在练习过程中，发现部分学生对状语从句的运用还存在一定的困难，需要进一步加强指导和练习。

初中教案学习时间状语从句

初中教案学习时间状语从句一、概要引言学习时间状语从句是初中英语学习的重要内容之一。

掌握时间状语从句的用法可以帮助学生正确表达时间概念，并在实际语境中进行准确运用。

本文将通过介绍时间状语从句的定义、分类、引导词以及使用方法等方面，为初中教师提供一篇有关教案学习时间状语从句的文章。

二、时间状语从句的定义时间状语从句是指在主句中表达一个时间概念的从句，用来说明主句发生的时间。

时间状语从句通常由连词引导，将两个句子的时间关系联系起来。

三、时间状语从句的分类时间状语从句可以根据时间的不同概念进行分类。

下面给出一些常见的时间状语从句分类及其示例：1. 时间点状语从句时间点状语从句用来表示某一特定时间点，常由连词when, while, as soon as等引导。

例如：She went to bed when she finished her homework.2. 时间段状语从句时间段状语从句用来表示一段时间，常由连词before, after, as long as等引导。

例如：We will stay here until the rain stops.3. 频率状语从句频率状语从句用来表示某一动作的频率，常由连词every time, whenever, each time等引导。

例如：He gets up early whenever he has an exam.4. 顺序状语从句顺序状语从句用来表示动作的先后顺序，常由连词before, after, until等引导。

例如：She finished her work before she left the office.四、时间状语从句的引导词时间状语从句的引导词根据不同的分类会有所不同。

下面列举一些常见的时间状语从句引导词：1. 时间点状语从句引导词：when, while, as soon as, the moment等。

2. 时间段状语从句引导词：before, after, as long as, until等。

由when引导的时间状语从句教案全英

由when引导的时间状语从句教案全英Title: Teaching When-Clauses as Time Adverbial Clauses Objective:By the end of this lesson, students will be able to use "when" to introduce time adverbial clauses and correctly apply them in sentences.Materials:- Whiteboard or blackboard- Markers or chalk- Handouts with practice exercises (optional)Procedure:1. Warm-up (5 minutes):- Write a few sentences on the board that include time adverbial clauses introduced by "when." For example:- I always go for a walk when it's sunny.- Mary will call you when she gets home.- Ask students to identify the word that introduces the time adverbial clause. Explain that "when" is used to indicate a specific point in time or a general time frame.2. Presentation (10 minutes):- Write a sample sentence on the board, such as: "I usually eat breakfast at 7 o'clock."- Ask students to suggest a time adverbial clause using "when" to provide more information about the time. For example: "I usually eat breakfast when I wake up."- Explain that "when" is used to join two clauses, one main clause and one time adverbial clause, to show the relationship between events or actions.3. Explanation and Examples (15 minutes):- Discuss the structure of time adverbial clauses introduced by "when":- "When" + subject + verb (simple present/past/future) + rest of the sentence.- Provide additional examples on the board, highlighting the use of "when" and the verb tense:- We will go to the beach when it stops raining.- John was studying when his friend called.- They always have dinner when their parents come home.- Encourage students to identify the main clause and the time adverbial clause in each sentence.4. Practice (15 minutes):- Divide the class into pairs or small groups.- Distribute handouts with practice exercises, or createsome on the board for students to complete.- Monitor and provide assistance as needed.5. Review and Discussion (10 minutes):- Ask students to share some of their sentences with the class, using "when" to introduce time adverbial clauses.- Discuss how using these clauses adds more information and context to simple sentences.- Emphasize the importance of using appropriate verb tenses in the time adverbial clauses.6. Wrap-up (5 minutes):- Summarize the main points covered in the lesson and highlight the use of "when" as a time adverbial clause introducer.- Provide additional examples or answer any questions before concluding the lesson.Note: Adjust the duration of each activity based on the level and pace of the students. Use visual aids, real-life examples, and encourage students to create their own sentences to reinforce understanding and application.。

时间状语从句教案PPT课件

•
I brought it to you____ you were in Mr.
Black’s office yesterday.
• A if B when C because D before
•
• 注意(1)when 还可以用作并列连词 “这时，就在这时”
• sb. was doing sth. when…
• sb. was about to do sth./was on the point of doing sth. when…
• eg.他正要告诉我那个秘密这时有人拍他的肩膀。 • (2)“既然”（用于引出使某人的行为看似出人意料的
情景）
• Why does she always drive to work when she could easily take the train?
• A as B that C during D it • （2）表示“随着” • 随着你不断长大，你会变的越来越聪明。 • 注意： as 表示随着后面加从句，with 的复合结构也可
以表示随着
• 4 till 和until • 表示“直到”时，till和 until 都可以。动词必须为延续
性动词，主从句都为肯定式。
• A since B before C after D when
• He became an actor at a very young age but it was nearly 20 years___ he became famous.
• A until B when C before D that • How long do you think it will be___ Chinese
• eg. 他一直工作到半夜。 • 昨天我妈妈一直等到我回来。 • 表示“直到 … 才”时，只能用until，动词为非延续性

when时间状语从句讲解教案教程文件

资料收集于网络，如有侵权请联系网站删除状语从句之时间状语从句一．概念及分类名。

复合句中从句可分为定语从句，和句子可以分为简单句，并列句复合句词性从句和状语从句。

用来修饰谓语动词，其他动词，定语，状语或整个句子的从句叫做状语从句。

状语从句可分为：时间状语从句、地点状语从句、原因状语从句、条件状语从句、目的状语从句、让步状语从句、比较状语从句、方式状语从句、结果状语从句。

DaMing is a brave boy.DaMing is a brave boy and he always does something special.DaMing is a brave boy, who always does something special.可编辑word资料收集于网络，如有侵权请联系网站删除二，时间状语从句When, while, as, before, after, since, 引导时间状语从句的连接词一般有等。

，until/tillas soon asWhen观察下面例句，总结其用法1.When he was a child he was always trying out new ideas.他小时候就常常试验一些新的设想。

2. When she came into my room, I was just reading a book.她走进我房间时，我正在看书。

3. Were you writing when the teacher came in?老师进来的时候，你在写信吗？4. Sorry, I was out when you called me.对不起，你打电话来的时候我出去了。

总结：从句表示动作可以______________也可以_________________,主句和从句的先后关系_______________________________________ When从句一般用于过去时比较多，主句无时态限制。

〖2021年整理〗《时间状语从句解析》优秀教案

时间状语从句解析when, a, whie在引导时间状语从句时的主要用法：when表示“当……的时候”。

从句中既可用延续性动词，又可用非延续性动词，这些动词既可以表示动作，又可表示状态。

从句中的动作既可和主句的动作同时发生，又可在主句的动作之前或之后发生。

如：When I came into the room, I found him ing there aeeeet a word ou don't now, conut the dictionar She wa beautifu when he wa a gir如果when从句的主语与主句主语相同，谓语又是be动词，从句主语和be可以省略：当when 从句主语与主句主语相同时，用when加分词可以替代状语从句。

如：When（ou are）in troube, a her for heen enter the barShe droerican aed me for direction to the nearet tation2、用于平行的动作中，表示"一面……一面……"。

常指一个主语同时进行两个动作。

如：He ang a he woredThe tudent too note a the itened3、用于平行发展的结构中，表示"随着……"。

常指一个行为是另一个行为的结果，或一种状态随另一种状态变化。

句中的动词多表示状态的发展变化。

A the wind roe the noie increaedA it grew darer it became coderA he grew oder he became more confidentWhie表示"在……的时候"、"在……期间"。

它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。

Whie从句中必须是表示动作或状态的延续性动词。

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资料收集于网络，如有侵权请联系网站删除状语从句之时间状语从句
一．概念及分类名。

复合句中从句可分为定语从句，和句子可以分为简单句，并列句复合句词性从句和状语从句。

用来修饰谓语动词，其他动词，定语，状语或整个句子的从句叫做状语从句。

DaMing is a brave boy.
DaMing is a brave boy and he always does something special.
DaMing is a brave boy, who always does something special.
可编辑word
资料收集于网络，如有侵权请联系网站删除二，时间状语从句
When, while, as, before, after, since, 引导时间状语从句的连接词一般有等。

，until/tillas soon as
When
观察下面例句，总结其用法
1.When he was a child he was always trying out new ideas.
他小时候就常常试验一些新的设想。

2. When she came into my room, I was just reading a book.
她走进我房间时，我正在看书。

3. Were you writing when the teacher came in?
老师进来的时候，你在写信吗？
4. Sorry, I was out when you called me.
对不起，你打电话来的时候我出去了。

练习
Eg: When I got to the airport, the guests had left.
当我赶到飞机场时，客人们已经离开了。

可编辑word
资料收集于网络，如有侵权请联系网站删除When he had finished his
homework, he_______ (take) a short rest. 1. 当他完成作业后，他休息了一会儿。

Why do you want a new job when
you____________(get) such a 2.
good one already?
你已经找到如此好的工作，为何还想再找新的？ 3.You shall borrow the book when I _____________(finish) reading it.
在我读完这本书后，你可以借阅。

ll talk '4. When the manager________ (come) here for a visit next week, I 我会和他谈谈此事。

下周，经理来这参观时，with him about this.
when可以和延续性动词连用，也可以和短暂性动词连用
①Why do you want a new job when you've got such a good one already？
（get为短暂性动词）你已经找到如此好的工作，为何还想再找新的？
②Sorry，I was out when you called me．
（call为短暂性动词）对不起，你打电话时我刚好外出了。

③Strike when the iron is hot．
（is为延续性动词，表示一种持续的状态）趁热打铁。

④The students took notes when they listened．
（listen为延续性动词）学生们边听课边做笔记。

可编辑word
资料收集于网络，如有侵权请联系网站删除从句的谓语动词可以在主句谓语动
作之前、之后或同时发生when ．从句动作在主句动作前发生
1finished he took a short rest．（①When he had finished his homework，先发生）当他完成作业后，他休息了一会儿。

后发生）当（got toWhen I got to the airport②，the guests had left．我赶到飞机场时，客人们已经离开了。

．从句动作和主句动作同时发生2 a stranger came in，．①When we were dancing 当我们跳舞时，一位陌生人走了进来。

当她在打I was writing a letter．When she was making a phone call，
③电话时，我正在写信。

填空并翻译．_________ he comes tomorrow, I shall ask where he has been. 1 2．_________ he was speaking, everybody listened carefully.
3．I saw her just _________ she was getting off the train.
Have a good look at that man _________ you pass him. 4．They were about to leave ______ it began to rain. 5.
____________________,作为并列连词的含义是在下列句子中，whenWe were having a meeting when someone broke in.
1.We were about to set off on our way when it suddenly began to rain
2.She was on the point of going to shop when the telephone rang.
3.可编辑word
资料收集于网络，如有侵权请联系网站删除
4.He had just finished his homework when someone asked him to play basketball.
总结：
___________________________________________________________ ___________________________________________________________ ___________________________________
练习: 翻译一下句子
1.
2.
3.我正要出去有位访客来了。

____________________________________________________
5.他正要去上学天下雨了。

____________________________________________________
6.
7.
8.
9.
可编辑word
资料收集于网络，如有侵权请联系网站删除
11.我刚吃过饭，妈妈让我写作业。

____________________________________________________
13.
14.
15.When I lived there, I used to go to the beach on Sundays.
___________________________________________________
5. When the film ended, the people went
back.____________________________________________________-可编辑word。

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