英语语法-状语从句课件
合集下载
高中英语语法课件_状语从句 (共42张PPT)
whether…or…
whether…or…引导的让步状语从句： △ 这种从句也称“选择条件-让步状语从句”，可位于 主句之前或之后，如： 1.Whether you like it or not, you’ll have to do it. 2. We hold that all countries, (whether they are) big or small, (whether they are) rich or poor, should be equal. 3. Whether it rains or snows, I will go tonight. 5. She had to go, whether or not she wanted it.
2) 一些表示时间的名词词组也可引
导时间状语从句。如：the moment, the minute, （一…就）next time （下次）, every/each time （每 次）。 e.g. The moment he comes, I will tell him.
4) as soon as, immediately, directly, instantly 等副词也可引 导状语从句。表示“一…… 就……”。
.
1. I was so familiar with him that I recognized his voice ______ I picked up the phone. A. while B. after C. In case D. the minute 2. How long do you think it will take _______ our product becomes popular with the consumers? A. when B. until C. before D. since
高考英语语法一轮复习状语从句优质课件(共58张PPT)
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推荐下载)
unless C.
______ it is possible to test this medicine on
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推荐下载)
My mother was cooking while I was doing 如： When you have finished your work, you may have a rest.
when…
“ 在那时”,表示某件是正在发生或刚刚发生， 另一动作同时发生
The telephone was ringing when I got home. I was about to go to bed when he came back.
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推 荐下载)
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推 荐下载)
We were just __ calling you up __ you came in. A. about ; when B. on the point of ; while C. on the point of ; when D. on the point of ; as
3. He hurried home, looking behind as he went. 他.匆匆忙忙回家，边走边往后看。
4. As he was going out, it began to rain. 当他出去时开始下雨了。
5. As a boy (When he was a boy), he was hopeless at English.
unless C.
______ it is possible to test this medicine on
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推荐下载)
My mother was cooking while I was doing 如： When you have finished your work, you may have a rest.
when…
“ 在那时”,表示某件是正在发生或刚刚发生， 另一动作同时发生
The telephone was ringing when I got home. I was about to go to bed when he came back.
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推 荐下载)
精编优质课PPT高考英语语法一轮复习 状语从句课件(共58张PPT)(获奖课件推 荐下载)
We were just __ calling you up __ you came in. A. about ; when B. on the point of ; while C. on the point of ; when D. on the point of ; as
3. He hurried home, looking behind as he went. 他.匆匆忙忙回家，边走边往后看。
4. As he was going out, it began to rain. 当他出去时开始下雨了。
5. As a boy (When he was a boy), he was hopeless at English.
高中英语语法复习课件--状语从句(48张PPT)
keep it clean.
• * in case(万一） • Send us a message in case you have any
difficulty.
• *on condition that（？） • We’ll let you use the room on condition
that you keep it tidy.
• for 解释说明 • He must be ill, _______.(因为他今天没来)
三 条件状语从句 conditional adverbial clause
if,unless,so/as long as, in case on condition that, provided that,providing that,suppose that, supposing that
if If you work harder,you will succeed.
unless :if... not 除非 • Unless he comes, we won’t be able to go. • If he doesn’t come,we won’t be able to go.
• * as/so long as(只要 ) • You may borrow the book as long as you
2. while“尽管，虽然”，相当于although
3. while意为“而，却”，表示对比。 Jane was dressed in brown while Mary was dressed in blue.
as的用法
1. “一边…一边”； “随着” She was doing her homework as she was listening to the music.
• * in case(万一） • Send us a message in case you have any
difficulty.
• *on condition that（？） • We’ll let you use the room on condition
that you keep it tidy.
• for 解释说明 • He must be ill, _______.(因为他今天没来)
三 条件状语从句 conditional adverbial clause
if,unless,so/as long as, in case on condition that, provided that,providing that,suppose that, supposing that
if If you work harder,you will succeed.
unless :if... not 除非 • Unless he comes, we won’t be able to go. • If he doesn’t come,we won’t be able to go.
• * as/so long as(只要 ) • You may borrow the book as long as you
2. while“尽管，虽然”，相当于although
3. while意为“而，却”，表示对比。 Jane was dressed in brown while Mary was dressed in blue.
as的用法
1. “一边…一边”； “随着” She was doing her homework as she was listening to the music.
高考英语语法总复习之状语从句课件
注意：because/as/since与表原因的并列连词for的区别
• because表示原因的语气最强，常表示必然的因果关系；回答why及强调句中只能用because • since(既然)表示对方已经知道、无需说明的原因或事实，语气比because弱，常常译成“既然” • as(因为)表示一般的因果关系，语气比since弱，也没有since正式，与since类似用于说明比较
A. on condition that
B. if only
C. when
D. unless
2. Owen wouldn’t eat anything ________ he cooked it himself.
A. until
B. since
C. unless
D. while
3. James, I don’t mind lending you the money ____ you pay it back within a month.
A. just like
B. just as
C. the way like
D. which
2. _______ I know, there are more than a dozen of smartphone brands in the market.
3. When we reached the mall, I gave him the money _____ requested and added a gentle pat on his back.
2. After high school, Jennifer attended a local technical college, working to pay her tuition(学费),
• because表示原因的语气最强，常表示必然的因果关系；回答why及强调句中只能用because • since(既然)表示对方已经知道、无需说明的原因或事实，语气比because弱，常常译成“既然” • as(因为)表示一般的因果关系，语气比since弱，也没有since正式，与since类似用于说明比较
A. on condition that
B. if only
C. when
D. unless
2. Owen wouldn’t eat anything ________ he cooked it himself.
A. until
B. since
C. unless
D. while
3. James, I don’t mind lending you the money ____ you pay it back within a month.
A. just like
B. just as
C. the way like
D. which
2. _______ I know, there are more than a dozen of smartphone brands in the market.
3. When we reached the mall, I gave him the money _____ requested and added a gentle pat on his back.
2. After high school, Jennifer attended a local technical college, working to pay her tuition(学费),
初中英语语法-状语从句ppt课件
ye• aYrosur,suhbteopricegoteus rhenreed to the small town _________ he grew up as a child.
A. where B. when C. In which D. that
where引导定语从句，表示地点。
精选ppt课件
注意：主句的动作发生在从句动作的进行过 程中，主句的谓语动词通常是非延续性动词。
I met her while I was at school.
精选ppt课件
9
当Tom 正在看电视的时候，他妻子 正在做饭。
While Tom was watching TV,
his wife was cooking.
You should have put the book where you found it.
你本来应该把书放回原来的地方。
精选ppt课件
14
句型2：Anywhere/ wherever＋地点从句， ＋主句。
【注意】anywhere副词，但可引导从 句，相当于连词，意思相似于wherever, anywhere引导的从句, 可在主句之前或之后。 而wherever本身就
一寸光阴一寸金
As every thread of gold is valuable, so every moment of time.
无烟不起火/ 无风不起浪
As a man sows, so he shall reap.
种瓜得瓜，种豆得豆
精选ppt课件
20
此课件下载可自行编辑修改，此课件供参考！ 部分内容来源于网络，如有侵权请与我联系删除！感谢你的观看！
精选ppt课件
10
A. where B. when C. In which D. that
where引导定语从句，表示地点。
精选ppt课件
注意：主句的动作发生在从句动作的进行过 程中，主句的谓语动词通常是非延续性动词。
I met her while I was at school.
精选ppt课件
9
当Tom 正在看电视的时候，他妻子 正在做饭。
While Tom was watching TV,
his wife was cooking.
You should have put the book where you found it.
你本来应该把书放回原来的地方。
精选ppt课件
14
句型2：Anywhere/ wherever＋地点从句， ＋主句。
【注意】anywhere副词，但可引导从 句，相当于连词，意思相似于wherever, anywhere引导的从句, 可在主句之前或之后。 而wherever本身就
一寸光阴一寸金
As every thread of gold is valuable, so every moment of time.
无烟不起火/ 无风不起浪
As a man sows, so he shall reap.
种瓜得瓜，种豆得豆
精选ppt课件
20
此课件下载可自行编辑修改，此课件供参考！ 部分内容来源于网络，如有侵权请与我联系删除！感谢你的观看！
精选ppt课件
10
英语语法讲解课件-状语从句 ppt课件
ppt课件 10
ppt课件
11
状语从句分类
1. 2. 3. 4. 5. 6. 7. 8. 表示时间 表示地点 表示原因 表示结果 表示目的 表示条件 表示让步 表示比较
ppt课件 12
表示时间
一、时间状语从句 • When, as ,while, • before, after, • till, Until, • as soon as, • The moment, the minute, the first time…. （名词性短语）
ppt课件 21
E.G. 1. He was so angry that he left the room without a word. 他很生气,一句话不说就离开 了房间。 2. It is such a heavy box that nobody can move it. 3. The box is so heavy that nobody can move it. 4. The box is so heavy as nobody can move . 5. I didn’t go early, so that I didn’t get a seat.
ppt课件
30
表示比较
八、比较状语从句
主要由 • than， • as...as, • the more…the more • 这类从句常常有一些成分没有表示出来:
ppt课件 31
E.G.
• The more you eat, the fatter you are. • John is less clever than Tom. • He is not so/as clever as his brother.
ppt课件
ppt课件
11
状语从句分类
1. 2. 3. 4. 5. 6. 7. 8. 表示时间 表示地点 表示原因 表示结果 表示目的 表示条件 表示让步 表示比较
ppt课件 12
表示时间
一、时间状语从句 • When, as ,while, • before, after, • till, Until, • as soon as, • The moment, the minute, the first time…. （名词性短语）
ppt课件 21
E.G. 1. He was so angry that he left the room without a word. 他很生气,一句话不说就离开 了房间。 2. It is such a heavy box that nobody can move it. 3. The box is so heavy that nobody can move it. 4. The box is so heavy as nobody can move . 5. I didn’t go early, so that I didn’t get a seat.
ppt课件
30
表示比较
八、比较状语从句
主要由 • than， • as...as, • the more…the more • 这类从句常常有一些成分没有表示出来:
ppt课件 31
E.G.
• The more you eat, the fatter you are. • John is less clever than Tom. • He is not so/as clever as his brother.
ppt课件
英语语法《状语从句》课件完整版
英语语法《状语从句》课件完整版一、教学内容本节课的教学内容选自人教版高中英语必修5第四单元，主要讲解状语从句的用法。
状语从句是一种从句类型，用来修饰动词、形容词、副词或整个句子，表示时间、地点、原因、条件、方式等。
本节课将详细介绍时间状语从句、地点状语从句、原因状语从句、条件状语从句和方式状语从句的构成及用法。
二、教学目标1. 让学生掌握状语从句的五种类型及其构成；2. 培养学生正确运用状语从句表达句子意思的能力；3. 提高学生对英语语法的理解和运用水平。
三、教学难点与重点1. 教学难点：状语从句的语法结构和用法；2. 教学重点：引导学生运用状语从句表达实际场景。
四、教具与学具准备1. 教具：PPT、黑板、粉笔；2. 学具：笔记本、练习册。
五、教学过程1. 情景引入：教师展示一段对话，引导学生关注其中的状语从句，如： "When I arrived at the station, the train had already left.""If you need any help, please don't hesitate to ask me."让学生分析这些状语从句的类型和用法。
2. 知识讲解：教师运用PPT展示状语从句的五种类型，分别为：a) 时间状语从句：如when, after, before, as soon as等；b) 地点状语从句：如where, wherever, in which等；c) 原因状语从句：如because, since, as等；d) 条件状语从句：如if, unless, until等；e) 方式状语从句：如as, as if, as though等。
教师举例讲解每种状语从句的构成和用法，让学生进行随堂练习。
3. 例题讲解：教师展示一些状语从句的例题，如："I will go to the party if I finish my work.""He waited for her in the hall, wherever she might be."让学生分析这些例题的状语从句类型和用法，并进行小组讨论。
2024届高考英语一轮复习语法：状语从句课件
The dog will eat a cake as soon as the cat leaves.
主句
从句
2.地点状语从句
地点状语从句
引导词：where + 强调形式
Wherever，everywhere，anywhere 不管哪里，任何地方，所有地方
2.地点状语从句 狗狗在发现蛋糕的地方吃了它。 The dog ate the cake where he found it.
1.时间状语从句 在某一时间之中 引导词：when while as
when： 时间点，“突然”
我到家的时候，狗狗在吃蛋糕。
The dog was eating a cake when I reached home.
e：时间段
我在做饭的过程中，狗狗在吃蛋糕。
The dog was eating a cake while I was cooking.
She is as beautiful as Snow White. 她和白雪公主一样漂亮.
3.比较状语从句
比较状语从句：更…
He is smarter than I. He is smarter than l am.
This cake is bigger than that one. This cake is bigger than that one is.
Because > since > as
因果/语气
原 因
because > since > as
状 语 because 引导的实实在在的因果关系
从 句
since 引导的是众所周知的事实
as 引导的是显而易见的事实
中考英语语法复习状语从句课件
C. If
D. Though
（ ）7. My family always go somewhere interesting ____ the holiday begins.
A. as soon as
B. so
C. so that
D. even though
（ ）8. Phone me_______ you get to Wuhan.
）1. What's the matter with Li Ping?
A. She has a sore back.
B. She has a stomachache.
C. She has a sore throat.
D. She has a toothache.
（
）2. What causes Xu Fang’s trouble?
A. Going to the doctor.
B. Doing exercise.
you start.
主将从现
Unless you go at once, you will be late. = If you don’t go at once, you will be late.
unless=if … not
3. as long as
As long as we show our love, the world will be full of happiness.
A. He talks too much.
B. He cooks too many dishes.
C. He often works in front of his computer.
D. He doesn't eat regularly.
高中英语语法专题系列：状语从句课件(共78张)
till和 until跟主句里否定形式表示非延续性动作的谓语动词 连用表示“直到……才(开始)”，这时until和till 可用before 代替。Not 有时被no, nobody, nothing, never, hardly, little 等否定词所取代。 People do not know the value of their health till/until/ before they lose it. Don’t put off what you can do today until tomorrow . 今日事，今日毕。 = Never put off what you can do today until tomorrow.
5）unitl/till
till和 until引导时间状语从句时跟主句里肯定形式表示 延续性动作的谓语动词连用表示“到……为止”。 Walk until/ till you come to a white house. I will stay with her until/till he comes back.
before 常用句型 （必背句型） ①It will be + 时间段+before+ 一般现在时：要等多久才……. It will be five years before we meet again. ②It won't be long before+ 一般现在时：等不了多久就会…… It will not be long before you regret what you have done. ③It was +时间段+before +一般过去时：等了多久就…… It was minutes before the police arrived. ④It wasn't long before+ 一般过去时：没等多久就…… It was not long before I realized I was wrong.
英语语法从句学习 状语从句(共22张PPT)
1. 时间状语从句
常用引导词: when, as , while, as soon as, before, after, whenever, since , not...until， until/till等
表示主句动作发生的时间。
When he came in, I was listening to music．
状语从句
什么是状语？
定义：在英语中，状语用来修饰动词、形容 词、副词或整个句子
这不就是副词的用法嘛！
副词（adv.) 表示动作特征，用来修饰动、形、副词, 在句子充当状语的成分。
状语一般由副词、介词短语、分词和分词短语、 名词、不定式或相当于副词的词或短语来担当。
He walks slowly.
4.目的状语从句 表示主句动作发生的目的。
常用引导词: so that, to, in order that
He works hard everyday so that he can pass the exam. In order that get to school on time, he gets up early.
slowly “缓慢地” 是个副词修 饰walk 这个动词,在句中充 当状语成分。
She is very poor.
very “非常地” 是个副词修饰 poor 这个形容词,说明穷的程度。
状语从句的分类
作用: 状语从句主要用来修饰主句或主句 的谓语，说明时间、地点、原因、目的、 结果、条件、方向、程度、方式和伴随状 况等。
5. 结果状语从句 表示主句动作发生的结果。
常用引导词:so … that, such … that, so that...
This news is exciting, so that he jumps up. He ran so fast that we couldn't keep up with him.
初中英语语法大全——状语从句(共24张PPT)
Kathy is so lovely that we all like to play with her.
He made so many mistakes that he failed the exam once again.
Such a little boy has so little difficulty in working out this problem that I admire him very much.
3、since的用法
(1) since意为“自从....”, 主句常用现在完成时或般现在时 ， 从句常用一般过去时。 eg: I have lived in England since I was three. 自3岁起 我就一直住在英国。 eg: It is two years since I became a college student. 我成为一名大学生已经两年了。
二、地点状语从句
在句子中充当地点状语的从句称为地点状语从句。引 导地点状语从句的从属连词主要有where( ...地 方), wherever(无论问处)等，表示地点方位。 eg: I found all the missing things where I left t hem. eg: Where there is a will, there is a way.
2. such...that...的用法
在such... that... 结构中，such是形容词，修饰名词或名词短语。引导 结果状语从句时，常用于以下结构:
a(n)+形容词+单数可数名词
so+ such+ 形容词+复数可数名词
+that+从句
初中英语语法状语从句课件(共45张PPT)
八、让步状语从句
although/though
• 尽管互联网技术被广泛用于教学，但是传统教 学的作用是不可取代的。
• Although the Internet technology is widely used in classroom teaching, the role of traditional teaching cannot be replaced.
People’s lives have undergone dramatic change since mobiles were invented.
• 6. A句+until+B句/时间短语 ห้องสมุดไป่ตู้A句…直到B句…】
The little boy kept crying until he saw his mother. = The little boy did not smile until he saw his mother.
• 4. Before, after 1）Before+A句,B句=B句+before+A句/时间词
【在A句…之前，B句…】 2）After+A句，B句=B句+after+A句/时间词
【在A句..之后，B句…】
• 在广告发明之前，人们获得产品信息的方 式主要通过与其他人之间的交流。
• Before advertising was introduced, the major channel by which people get informed of product information had been to communicate with other consumers.
英语语法课件_状语从句
条件状语从句
连接词主要有 if, unless, as/so long as, on
condition that 等。if 引导的条件句有真实 条件句和非真实条件句两种。非真实条件 句已在虚拟语气中阐述。 unless = if not. 例如
Let's go out for a walk unless you are too tired.
如果不太累，我们去散散步。 If you are not too tied, let's go out for a walk. 典型例题 You will be late ___ you leave immediately. A. unless B. until C. if D. or 答案A。句意：除非你立即走，否则你就回迟 到的。可转化为 If you dong leave immediately, you will be late。B、D句意不对，or表转折，句 子如为 You leave immediately or you will be late
目的状语从句
表示目的状语的从句可以由that, so that, in
order that, lest, for fear that, in case等词引 导。
You must speak louder so that /in order
that you can be heard by all. 你必须大点声， 别人就能听见了。 He wrote the name down for fear that （lest） he should forget it. 他写下了这个 名字以免以后忘记。 Better take more clothes in case the weather is cold. 最好多穿点衣服，以防天 发冷。
高三英语课件：语法-状语从句
Provided that 如果,有时省略 that The plane will be in good condition provided that it is taken care of carefully.
You can become a stewardess provided that you are in good shape and you have got the proper education.
When I opened the window, I saw him come up. When I have time , I will go to see you.
When I came home, I met an old schoolmate of mine.
He said he would tell her about it when he saw her. *注意：在时间状语从句中，主 从句都是将来的动作或状态时， 习惯上主句用将来时，从句用 一般现在时。
As he was eating his breakfast, he heard someone knock at the door. Someone patted me on the shoulder as I was standing before the shop window.
The moment --- 一……就…… =as soon as , immediately, ---Did you remember to give Mary the money you owed her? ---Yes, I gave her the moment I saw her.
When --- 正在……的时候，突 然…。通常主句是进行时或 be about to 时，在翻译的时候， when 可以译成没想到或突然。 I was walking along the street , when I met him. I was about to fall asleep when my sister came in.
高三英语语法复习课件状语从句26页PPT
高三英语语法复习课件状语从句
6
、
露
凝
无
游
氛
，
天
高
风
景
澈
。
7、翩翩新 来燕，双双入我庐 ，先巢故尚在，相 将还旧居。
8
、
吁
嗟
身
后名Biblioteka ，于我若
浮
烟
。
9、 陶渊 明（ 约 365年 —427年 ），字 元亮， （又 一说名 潜，字 渊明 ）号五 柳先生 ，私 谥“靖 节”， 东晋 末期南 朝宋初 期诗 人、文 学家、 辞赋 家、散
文 家 。汉 族 ，东 晋 浔阳 柴桑 人 （今 江西 九江 ） 。曾 做过 几 年小 官， 后辞 官 回家 ，从 此 隐居 ，田 园生 活 是陶 渊明 诗 的主 要题 材， 相 关作 品有 《饮 酒 》 、 《 归 园 田 居 》 、 《 桃花 源 记 》 、 《 五 柳先 生 传 》 、 《 归 去来 兮 辞 》 等 。
1
0
、
倚
南
窗
以
寄
傲
，
审
容
膝
之
易
安
。
谢谢你的阅读
❖ 知识就是财富 ❖ 丰富你的人生
71、既然我已经踏上这条道路，那么，任何东西都不应妨碍我沿着这条路走下去。——康德 72、家庭成为快乐的种子在外也不致成为障碍物但在旅行之际却是夜间的伴侣。——西塞罗 73、坚持意志伟大的事业需要始终不渝的精神。——伏尔泰 74、路漫漫其修道远，吾将上下而求索。——屈原 75、内外相应，言行相称。——韩非
6
、
露
凝
无
游
氛
，
天
高
风
景
澈
。
7、翩翩新 来燕，双双入我庐 ，先巢故尚在，相 将还旧居。
8
、
吁
嗟
身
后名Biblioteka ，于我若
浮
烟
。
9、 陶渊 明（ 约 365年 —427年 ），字 元亮， （又 一说名 潜，字 渊明 ）号五 柳先生 ，私 谥“靖 节”， 东晋 末期南 朝宋初 期诗 人、文 学家、 辞赋 家、散
文 家 。汉 族 ，东 晋 浔阳 柴桑 人 （今 江西 九江 ） 。曾 做过 几 年小 官， 后辞 官 回家 ，从 此 隐居 ，田 园生 活 是陶 渊明 诗 的主 要题 材， 相 关作 品有 《饮 酒 》 、 《 归 园 田 居 》 、 《 桃花 源 记 》 、 《 五 柳先 生 传 》 、 《 归 去来 兮 辞 》 等 。
1
0
、
倚
南
窗
以
寄
傲
，
审
容
膝
之
易
安
。
谢谢你的阅读
❖ 知识就是财富 ❖ 丰富你的人生
71、既然我已经踏上这条道路，那么，任何东西都不应妨碍我沿着这条路走下去。——康德 72、家庭成为快乐的种子在外也不致成为障碍物但在旅行之际却是夜间的伴侣。——西塞罗 73、坚持意志伟大的事业需要始终不渝的精神。——伏尔泰 74、路漫漫其修道远，吾将上下而求索。——屈原 75、内外相应，言行相称。——韩非
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
如： When I came into the room, he was writing a letter. We shall go there wheneve. 由while、as 引导。 while指“在某一段时间里”，“在…期间”， while引导的动作是持续性的。 as “一边…一边…, 随着”。 如：
对比训练:
1. We were about to leave__A__ it began to rain.
2. She thought I was talking about her son, __B__, in fact, I was talking about my son.
3. __B__it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
so that he could catch the first bus.
• 4. Lily didn’t come to school because of her illness.
because she was ill.
• 5. I can run as fast as you.
as fast as you can.
While其他用法
1. while作为并列连词，意为“而，却”， 表示对比。 Some people waste food while others haven’t enough.
2. while也可用来引导让步状语，意为“尽 管，虽然”；可表示尽管，相当于although While I admit that the problems are difficult , I don’t agree that they can’t be solved.
A. when B. while C. as
状语从句
【时间状语从句】
3. 由before、after 引导。
before表示 “在…之前”, after译为“在…之后”。
He arrived after the game started. She had studied English for six years before she went to college.
3. had just done…when 某人刚刚做了某事…突然
Question 1连接词when, while, as的 用法区别：
2) while则只表示一个时间段。它所引 导的时间状语从句中的时态常用进行时 态。如：
While he was eating his breakfast, he heard the doorbell ring.
Let’s see!
• 1. We often watch TV on sundays.
when we have spare time. • 2. He does morning exercise in the park.
where there are many trees.
• 3. He got up early so as to catch the first bus.
Question 1连接词when, while, as的 用法区别：
3) as则强调主句和从句的动作在同一时 间进行;也可表示“随着……”， 。
As we walked, we talked. As time went by, I began to get used
to the school life.
状语从句
1. 时间状语从句 2. 地点状语从句 3. 原因状语从句 4. 条件状语从句 5. 让步状语从句 6. 目的状语从句 7. 结果状语从句 8. 方式状语从句 9. 比较状语从句
状语从句
【一、时间状语从句】 1. 由when，whenever引导。
when指的是“在…的时候”。 whenever指的是“在任何…的时侯”。
before 的句型
1） It will be＋段时间＋before… “还要过多才……” It will be two years before he leaves the country.
2） It was +段时间+before 从句 （动作已发生） It was three weeks before he came back.
状语从句
【时间状语从句】
4. 由since( 自从…）引导。
• since +从句（注意主从句时态） Great changes have taken place in your hometown since you left.
When we were having supper, the light suddenly went out.
When 常用于下列句式：意为“就在那 时”。如：
1. was doing something…when 某人正在做 ……突然 ……
2. was about to do…when 某人正要做 ……突然 ……
before 的句型
3） It will not be + long + before… “不多久就会……” It won’t be long before she comes back
4） It was not + long + before… “不多久就……了” It wasn’t long before he left the country.
She was reading while I was sleeping. He looked around as he walked.
Question 1连接词when, while, as的 用法区别：
1) when可表示一个时间点，也可表示 一个时间段。如：
When he came in, we were having supper.
对比训练:
1. We were about to leave__A__ it began to rain.
2. She thought I was talking about her son, __B__, in fact, I was talking about my son.
3. __B__it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
so that he could catch the first bus.
• 4. Lily didn’t come to school because of her illness.
because she was ill.
• 5. I can run as fast as you.
as fast as you can.
While其他用法
1. while作为并列连词，意为“而，却”， 表示对比。 Some people waste food while others haven’t enough.
2. while也可用来引导让步状语，意为“尽 管，虽然”；可表示尽管，相当于although While I admit that the problems are difficult , I don’t agree that they can’t be solved.
A. when B. while C. as
状语从句
【时间状语从句】
3. 由before、after 引导。
before表示 “在…之前”, after译为“在…之后”。
He arrived after the game started. She had studied English for six years before she went to college.
3. had just done…when 某人刚刚做了某事…突然
Question 1连接词when, while, as的 用法区别：
2) while则只表示一个时间段。它所引 导的时间状语从句中的时态常用进行时 态。如：
While he was eating his breakfast, he heard the doorbell ring.
Let’s see!
• 1. We often watch TV on sundays.
when we have spare time. • 2. He does morning exercise in the park.
where there are many trees.
• 3. He got up early so as to catch the first bus.
Question 1连接词when, while, as的 用法区别：
3) as则强调主句和从句的动作在同一时 间进行;也可表示“随着……”， 。
As we walked, we talked. As time went by, I began to get used
to the school life.
状语从句
1. 时间状语从句 2. 地点状语从句 3. 原因状语从句 4. 条件状语从句 5. 让步状语从句 6. 目的状语从句 7. 结果状语从句 8. 方式状语从句 9. 比较状语从句
状语从句
【一、时间状语从句】 1. 由when，whenever引导。
when指的是“在…的时候”。 whenever指的是“在任何…的时侯”。
before 的句型
1） It will be＋段时间＋before… “还要过多才……” It will be two years before he leaves the country.
2） It was +段时间+before 从句 （动作已发生） It was three weeks before he came back.
状语从句
【时间状语从句】
4. 由since( 自从…）引导。
• since +从句（注意主从句时态） Great changes have taken place in your hometown since you left.
When we were having supper, the light suddenly went out.
When 常用于下列句式：意为“就在那 时”。如：
1. was doing something…when 某人正在做 ……突然 ……
2. was about to do…when 某人正要做 ……突然 ……
before 的句型
3） It will not be + long + before… “不多久就会……” It won’t be long before she comes back
4） It was not + long + before… “不多久就……了” It wasn’t long before he left the country.
She was reading while I was sleeping. He looked around as he walked.
Question 1连接词when, while, as的 用法区别：
1) when可表示一个时间点，也可表示 一个时间段。如：
When he came in, we were having supper.