原因和目的状语从句
状语从句（原因,目的,时间,地点）
状语从句本质——用不同的连接词将主句与一个或几个分句连接起来，以表达主句与分句之间的逻辑关系。
主句分句连接词逻辑关系时间、地点、原因、目的、结果、条件、让步、比较、方式时间状语从句用来说明主句动作与从句动作发生时间上的先后关系类型常用连接词特殊连接词重点时间状语从句when, while, as, before,after, since, till, until,as soon as 名词：the moment, theinstant, the minute, theday, next time, everytime副词：instantly,immediately, directly 连词：no sooner …than,Hardly…when, scarcely …when 主句从句的时态搭配，延续性动词与非延续性动词的区别1. when 引导的时间状语从句可以理解为“当……的时候”时态搭配主从句都是过去时态主从句都用现在时态主句将来时态从句现在时态辨析The performer will already have played the music when we get there.The performer will be playing the music when we get there.是否可以用while 来替换?It is challenging for a company to remain inter-nationally competitive while the global economics are receding.※when, while, as 用法的区别when 相当于at that time ，引导的状语从句中谓语动词可以是延续性的也可以是非延续性的while ，as 相当于during that time, 引导的状语从句中谓语动词通常是延续性的随着英特网变得日益商业化，网络的使用对商人们非常有利。
原因、结果、目的和让步状语从句
让步状语从句
由though、although虽然，尽管引导，可放于 主句前或后。不能与but连用。
He is unhappy _t_h_o_ug_h__he__is_r_ic_h____.
特别注意
1.“so that以便…”的句子可以改为 to do sth.或者in order to do sth.
原因状语从句
由because因为引导，表示原因，可放于主句前， 也可放于主句后。不能与so连用。
He didn't go to school _b_e_c_au_s_e_h_e__w_a_s_il_l_.
结果状语从句
由so所以引导，表示结果，放于主句后。
She worked hard _s_o__sh_e_g_o_t_g_o_o_d_m__a_r_k_s.
get up by himself.
√A.such B.so C.too
D.very
7.______she is ill all the time，______she never
gives up her study.
A.Although;but B.But;/
√C.Although;/
D./;/
8.She was______tired that she couldn't go to
3. He is so slow that I have to stop to wait for him.
He walks so s_l_o_w__ly_ that I have to stop to wait for him.
4. The book is so interesting that I have read it four times.
状语从句的类型
状语从句的类型状语从句是复合句的一种，用来修饰主句的动词、形容词、副词等，并表示时间、条件、原因、目的、方式等关系。
状语从句根据其引导词的种类和意义的不同，可分为时间状语从句、条件状语从句、原因状语从句、目的状语从句、结果状语从句、比较状语从句、让步状语从句、方式状语从句等多种类型。
一、时间状语从句时间状语从句用来表示动作发生的时间或顺序关系。
常见的引导词包括when、while、as、before、after、since、until等。
例如：1. 我听到他进门的声音时，我已经睡着了。
When I heard him come in, I had fallen asleep.2. 老师正在讲课的时候，请不要打扰他。
Please don't disturb him while the teacher is giving a lecture.二、条件状语从句条件状语从句用来表示条件、假设或可能性。
常见的引导词有if、unless、whether等。
例如：1. 如果你明天有时间，我们可以一起去购物。
If you have time tomorrow, we can go shopping together.2. 除非你帮助我，否则我无法完成这个任务。
I can't complete this task unless you help me.三、原因状语从句原因状语从句用来表示某个动作或情况发生的原因。
常见的引导词有because、since、as等。
例如：1. 由于天气不好，我们决定取消郊游计划。
We decided to cancel the outing because of the bad weather.2. 他没来参加聚会，因为他生病了。
He didn't come to the party because he was sick.四、目的状语从句目的状语从句用来表达主句中的动作或目的。
状语从句——原因和目的状语从句-教案
一、复习预习状语从句指句子用作状语时，起副词作用的句子。
它可以修饰谓语、非谓语动词、定语、状语或整个句子。
根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。
状语从句一般由连词(从属连词)引导，也可以由词组引起。
从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
二、知识讲解知识点：【考查点1】原因状语从句是用来说明引起主句这个结果的原因的从句，在初中阶段引导原因状语从句的从属连词主要的有because, as, since,for，seeing (that), now (that), considering (that)，in that等：The woolly shrank because it was washed badly. 毛衣因洗得不得法而缩水。
I can’t get to sleep because of the noise outside. 由于外面声音嘈杂我睡不着。
Since [As] we’ve no money, we can’t buy it. 由于我们没钱，我们无法购买它。
Seeing that it’s raining, we’d better stay indoors. 既然外边在下雨，我们最好待在室内。
Now that you are here, you’d better stay. 你既然来了，最好还是留下吧(既来之，则安之)。
【注】除以上提到的大家比较熟悉的引导原因状语从句的从属连词外，when有时也可引导原因状语从句(when表示“既然”)I won’t tell you when you won’t listen. 既然你不想听，我就不告诉你了。
原因状语从句应注意的问题1、because , since , as , for,辨析1）because语势最强，用来说明人所不知的原因，回答why提出的问题。
当原因是显而易见的或已为人们所知，就用as或since。
原因,比较,条件,目的,让步状语从句
as 表示虽然的时候，要进行倒装；
Child as/though he is , he can live by himself.
eg：Although/though she works very hard ,she makes very little progress.
Hard as she works, she makes very little progress.
As long as it doesn't rain, we can play.
You can go out on condition that you wear an overcoat.
Modern cars are far tougher to steal, as their engine management computer won't allow them to start unless they receive a unique ID code beamed out by the ignition (点火) key.
He looks as if (as though) he had been hit by lighting.
（与事实相反，谓语用虚拟语气。）
It looks as if the weather may pick up very soon.
（实现的可能性较大，谓语用陈述语气。）
He is absent today, because / for he is ill.
He must be ill, for he is absent today.
now that ：既然；
in that :因为，通常只能放在句中，强调重要的，唯一的的原因；
9大状语从句
9大状语从句用于增强语气和表达情感在英语语法中，状语从句是指用来修饰主句的复合句。
它可以起到修饰时间、地点、原因、条件、目的等各种作用。
状语从句的存在可以丰富语言表达，增强语气，表达情感而不单单是为了传达信息。
本文将探讨9种常见的状语从句，在日常写作和口语交流中的使用方法和意义。
1. 时间状语从句时间状语从句是用来描述主句和另一个时间点之间的关系。
常用的连接词有when, while, as, since, before, after, until等。
例如：- When I was young, I used to play the piano every day.- After I finish my work, I will go to the gym.时间状语从句可以用来强调时间关系，同时也可以让语言更加生动有趣。
另外，在写作和演讲中，恰当的使用时间状语从句可以帮助读者或听众更好地了解事件的发展情况。
2. 地点状语从句地点状语从句是用来描述主句和另一个地点之间的关系。
常见的连接词有where, wherever, anywhere等。
例如：- I will go wherever you go.- She looked everywhere for her missing cat.地点状语从句可以用来准确描述地点，增强表情。
尤其在描述旅游、故事或传记等方面，地点状语从句经常被使用.3. 原因状语从句原因状语从句是用来描述主句和某个原因之间的关系。
常见的连接词有because, since, as, for等。
例如：- Because it was raining, I stayed at home last night.- I don't like to eat fish, for I am allergic to it.原因状语从句可以强调某个事件的原因，增强语气。
通过使用原因状语从句，写作者或者说话人可以清晰地表达某个事情的原因，使文章更加步入事实，增强可信程度。
状语从句知识点总结
状语从句知识点总结状语从句是指在复合句中起状语作用的从句。
它可以用来表示时间、原因、条件、目的、结果、让步、比较等等。
熟练掌握状语从句的使用，可以使我们的语言更加丰富和灵活。
下面对状语从句的几个重要知识点进行总结。
一、时间状语从句时间状语从句常用来表示动作发生的时间、顺序或频率。
以下是一些常见的引导时间状语从句的词：1. When（当...时候）：表示动作发生的时间点。
- She was reading a book when I called her.（我给她打电话时，她正在读书。
）2. While（当...的时候）：表示两个同时进行的动作。
- He was cooking while I was studying.（我在学习的时候，他在做饭。
）3. Before（在...之前）：表示主句的动作发生在从句之前。
- Please finish your homework before you go out.（在你外出之前，请完成作业。
）4. After（在...之后）：表示主句的动作发生在从句之后。
- They went to bed after they finished watching the movie.（他们在看完电影之后就去睡觉了。
）二、原因状语从句原因状语从句常用来表示某个动作的原因或理由。
以下是一些常见的引导原因状语从句的词：1. Because（因为）：表示直接的原因。
- I didn't go to the party because I was tired.（我因为累所以没有参加聚会。
）2. Since（因为）：表示已知的事实或理由。
- He was absent from work since he was not feeling well.（他因病缺勤了。
）3. As（因为）：表示两个动作同时发生，前者是后者发生的原因。
- I couldn't hear the speaker as the music was too loud.（由于音乐声音太大，我听不到演讲者的声音。
完整版)状语从句(9种全)
完整版)状语从句(9种全)状语从句在复合句中起到修饰主句的作用，分为时间、地点、原因、目的、结果、条件、方式、比较、让步等种类。
1.时间状语从句时间状语从句的连接词包括when。
as。
while。
after。
before。
since。
ever since。
as soon as。
once。
till。
until。
whenever。
no sooner…than。
hardly/scarcely。
when。
the moment/minute/instant/second。
every time。
each time。
any time。
the first time。
next time。
last time。
all the time。
by the time。
directly。
immediately。
instantly等。
例如，“一···就···”的句型可以用as soon as或once引导，其中as soon as侧重时间或动作先后衔接紧，而once侧重条件，表示“一旦。
”；on doing sth/on one's + n.作时间状语，例如On arriving at the n。
the thief was arrested.意为“一到达车站，这个小偷就被逮捕了。
”2.地点状语从句地点状语从句的连接词包括where。
wherever。
anywhere。
everywhere等。
例如，I'll go wherever you go.意为“你去哪儿，我就跟你去哪儿。
”3.原因状语从句原因状语从句的连接词包括because。
since。
as。
now that。
seeing that。
considering that等。
例如，Since it's raining。
we'll stay indoors.意为“因为下雨，我们将待在室内。
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2. The boy couldn’t draw money from
the ATM. He forgot the pin.
→ The boy couldn’t draw money from the ATM because he forgot the pin.
Read and combine.
Jane is very confident about getting this job. She has a lot of work experience. → As she has a lot of work experience, Jane is very confident about getting the job. 3. Nobody wants to be his partner.
Words or Phrases for Purpose Words or Phrases for Reason
5
So that To tell you
because since for
Read and combine. Jane is very confident about getting this job. She has a lot of work experience. → As she has a lot of work experience, Jane is very confident about getting the job.
He often delays his work.
→ Since he often delays his work, nobody wants to be his partner.
Read and combine.
Jane is very confident about getting this job. She has a lot of work experience. → As she has a lot of work experience, Jane is very confident about getting the job. 4. They all passed the exam.
Grammar focus
Grammar focus
I’ll have to have my watch fixed because there is something wrong with the alarm.
Would you please show me your receipt so that I can take down some details? Since we have been partners for so long, I have already found a solution to this problem.
1. Everybody stayed under the tree. It was very hot last night.
→ As it was very hot last night everybody stayed under the tree.
Read and combine. Jane is very confident about getting this job. She has a lot of work experience. → As she has a lot of work experience, Jane is very confident about getting the job.
The assembly line of our company broke down so that we couldn’t finish it in time. As we have signed the contract, we will pay for your loss.
Underline and group.
“I’m sorry to say but the MP4 player I
bought yesterday doesn’t work very well. ”
“May I have a look at your receipt?
I’ll have to make a record.”
“I’ll have to go to the second floor to get
you a new one. Please wait for a
moment.”
“Thank you for your help.”
Hale Waihona Puke David went to the bookstore today because he had to change his MP4 player ____________________________________ He asked
the staff to exchange the MP4 player for him
______________________________________________ for him for the one he bought last week because it didn’t
_______________. asked him to show his receipt work very well __________________________________. Then she so that she could make a record asked David to wait for a moment for she had to go to the second _____________________. floor to get him a new one ________________________
They would get the certificate.
→ They all passed the exam, so that they would get the certificate.
Look and complete.
“Are you going to the shop again?” “Yes. I’ll have to exchange the MP4 player I bought yesterday.”
1 2 3 3 4 4
I attended an English course____________________________________ so that I could improve my speaking. He looks tired and sleepy because he stayed up very late last night. ________________________________________
David was very happy and gave thanks to the staff
since the staff gave him a lot of help ________________________________.
Since he can’t answer this question, we’d better ask someone else. ___________________________________ We are here __________________________ to tell you the good news. He got a prize for finding the most mistakes. ____________________________