状语从句
状语从句的定义-起副词作用的句子
我喜欢她
我喜欢善良的她
我很喜欢她
--复习定语的概念，定语从句的概念
--什么能够做状语？？
1. Say again.
Suddenly it began to rain.
2. He is loved by students for his humor.
Please come in the morning.
3. He come to China to study Chinese.
They jumped to hear the news．
4. Walking in the street, I came across him.
Being well taken care of, she recovered quickly.
5. He has never asked for a leave even though he is ill.
Ma Yun announced the news to step down when he celebrated his birthday on Monday.
---找出下列状语
Wait a minute.
Having to finish his homework, the boy needs a pen.
The boy is angry now.
Frightened, he sits there soundlessly.
It can go all day and all night.
I will write to you as soon as I get there.
He went to school in spite of his illness.
状语从句的位置（去从句，主句完整，从句完整）
复习定语从句的位置：
复习名词性从句的位置：
主语从句：
宾语从句：
表语从句：
同位语从句：
判断下列句子是否是状语从句
I know what he is talking about.
He will call his friend who is working in London.
If I am not busy tomorrow, I will play football with you.
I like watching TV when I am eating.
He waited until she was about to leave.
Make marks at the places where you have any questions.
分类
时间状语从句
1．when, while和as的用法
when
1. “当“可与_____________或__________动词连用
I like watching TV when I am eating.
They finished the dinner when I arrived.
2. “突然“+瞬间性动词
was/were doing… when…
was/were about to do…when…
had just done… when
I was waiting for the bus when it began to rain.
I was about to go out when it began to rain.
I had just done my homework when it began to rain
while “当”
只能加_____________动词；从句动作与主句动作同时发生
I like watching TV while I am eating.
as
1. “随着“
as time went by, I grew up.
2. “一边…一边…”
I watch tv as I do homework.
练习：
1. 翻译：我正在等公交车的时候突然下雨了
2. I had just finished my housework ________ I heard cries for first aid the other day.
A. as B. while C. since D. when
填空I was about to do the washing up ________ the baby started crying.
改错With time went by, he began making films.
改错We were about to set off while it suddenly began to rain.
2．before与since的用法
(1)before表示“在……之前；还未……就……；还没来得及……就……”。常用于以下句型：
______________________________ ... 多久之后才……
______________________________ ... 不久之后就……
______________________________ ... 过了多久才……
John thinks it won't be long before he is ready for his new job.
It will be one month before they see land.
(2)since的用法
⑴since表示“自从……”，其引导的从句在句中作状语时，
主句常用____________________；从句常用____________________。
I have returned home twice since I settled down in the States.
They have been living very happily since they got married.
⑵ since表示“自从……以来”，常用于“It is/has been＋时间段＋since从句”结构。该句型表示“自从开始……已经多长时间了”，一般从句的时态用____________________，主句中的时态用____________________。
As is reported, it has been/is over 100 years since Tsinghua University was founded.
练习
I have heard a lot of good things about you ________ I came back from abroad.
A. since B. until C. before D. when
It will be around one year ________ we graduate from high school.
A. when B. while C. before D. after
The bus dropped me off and pulled away ____ I realized I had left my bag on it.
A. while B. before C. after D. since
It has been twenty years _______ I started learning English.
3．till, until和not ...until ...的用法
(1)until或till表示“某动作一直延续到某时间点才停止”，此时主句谓语动词是____________________动词，主、从句都为肯定式。
这两个词可以换用，但till不可以____________________。
翻译：
He worked till midnight.
He ran until he was breathless
They played football until/ till it's dark.
They drove on until they reached a small town.
I'll stay here until the rain stops.
We lived in the countryside until two decades ago.
They kept singing and dancing until midnight.
(2)not ... until ... 表示“直到……才开始”，主句谓语动词是__________________。
He didn't realize it was a big mistake until years later.
As far as I know, his mother won't go to bed until he returns home every evening.
I won't leave until I finish my work.
The train didn't arrive until two hours later.
I never wake up until the alarm goes off.
练习
Tom said he would stick to his assumption ______ evidence was presented to prove he was mistaken.
A. on condition that B. until C. as long as D. providing
4．表示“一……就……，”
类型一 as soon as
类型二
immediately, directly, instantly, the moment, the minute, the instant
翻译：
The moment I heard the voice, I knew Father was coming.
I recognized her instantly I saw her.
The young lady rushed into the room immediately she heard the noise.
练习
改错：The moment when I heard the voice, I knew Father was coming.
改错：I recognized her at the instant I saw her.
单选：Just use this room for the time being，and we'll offer you a larger one ______ it becomes available.
A. as soon as B. unless C. as far as D. until
类型三：“no sooner ... than ..., hardly/scarcely ... when ...”
时态搭配：no sooner与hardly/scarcely后的句子谓语动词应用 ____________________
而than与when引导的句子谓语动词应用____________________。
练习
the sun rises，all the stars in the sky disappear．（ ）
A. The moment B. Before C. Till D. For
5. every+时间词； the+时间词
Every time I catch sight of myself in the mirror, I feel so confident.
The night I went to see her, she had left for Beijing to attend an important meeting.
The day he returned home, his father was already dead.
The week I was in hospital, she attended me at the bedside day and night.
He left home the year World War II broke out and ten years elasped when he returned.
练习
改错：I had a similar experience the last time when I visited China.
单选：It was boring that my aunt would talk about my examination marks without bringing any gifts ________ she came to visit me.
A. the first time that B. every time when
C. every time D. for the first time
单选：I could hardly recognize your son. ____I met him, he was only a little child.
A. From the moment B. For the first time
C. The first time D. The moment
条件状语从句
1．条件状语从句的常见引导词
if, unless (＝if ... not),
so/as long as (____________________),
on condition that (____________________),
if only (____________________,
provided that (____________________),
suppose/supposing that/ assuming that (____________________)
①We will have a picnic in the park this Sunday unless it rains or it's very cold.
②My parents don't mind what job I do as long as I am happy.
练习
______we don't stop climate change， many animals and plants in the world will be gone．（）
A. Although B. While C. If D. Until
_______you lose the paper document, sign in www._______you might download all you need.
A. If; which B. So long as; what
C. In case; where D. Even if; as
Tom is so independent that he never asks his parents opinion________he wants their support．（）
A. since B. once C. unless D. after
—Our holiday cost a lot of money.
—Did it Well, that doesn't matter ______ you enjoyed yourselves.
A. as long as B. unless C. as soon as D. though
You may borrow the book ________ you don’t lend it to anyone else.
A. in good condition B. on no condition
C. on condition that D. in no condition
填空：You will never gain success ________ you are fully devoted to your work.
填空：The medicine will work more effectively __________ you drink some hot water after taking it.
让步状语从句
1．although, though, while “虽然”。
Though/Although/While regular exercise is very important, it's never a good idea to exercise too close to bedtime.
2．as, though “虽然“，需要 ____________________。
Although the night air was hot, we slept deeply because we were so tired after the long journey.
变：____________________, we slept deeply because we were so tired after the long journey.
3．“疑问词＋ ever” “无论……”。
However hard you try, it is difficult to lose weight without cutting down the amount you eat.
We shall love you whatever (no matter what) happens.
练习：判断以下是什么从句
Whatever I told must keep a secret.
Whatever happened, you must keep a secret.
总结____________________________________________________________
4. even if/ even though “即使“
I will never give up my dream even if all the world were against me.
We wish each other a long life so as to share the beauty of this graceful moonlight, even though we are miles apart.
5．whether ... or ...引导的让步状语从句，
意为“____________________”，表示正反两种情况都不会影响主句的意向或结果。
We'll go on with the work, whether we can find the necessary tools or we cannot.
练习
The how-to book can be of help to ________ wants to do the job. （09陕西）
A. who B. whomever C. no matter who D. whoever
______there were a few problems，the meeting still went well．（ ）
A. Because B. Although C. Yet D. As
Contrary to popular belief, the ants, hardworking _______ they are, have their time for play.
A. because B. while C. as D. where
_________, he knows a lot of Chinese characters.
A. Child as he is B. As a child he is
C. As he is a child D. A child as he is
—Dad, I've finished my assignment.
—Good, and _______ you play or watch TV, you mustn't disturb me.
A. whenever B. whether C. whatever D. no matter
填空：________ the old worker has limited technical knowledge, he has a lot of experience.
填空：____________ she comes here or we go there，the topic of the discussion will remain unchanged.
改错：Though it was very cold,but he went out without an overcoat．
改错：Child although he is，he knows much about computer knowledge
地点状语从句
地点状语从句表示地点、方位，通常由____________________引导，可置于句首、句中或句尾。
I cannot hear the professor clearly as there is too much noise where I am sitting.
Wherever the sea is, you will find seaman.
The little girl who got lost decided to remain where she was and wait for her mother. (____________________)
The little girl who got lost decided to remain in the place where she was and wait for her mother. (____________________)
You’d better make a mark at the place where you have any questions.
You’d better make a mark where you have any questions.
I will always remember the days in the country when I see the photo of my parents
I will always remember the days when I lived with my grandparents in the country.
练习
单选：The traffic accidents always happen ________ drivers think no accidents will happen or no people will appear.
A. that B. where C. where D. how
单选：_________ you choose to live there are always going to be disadvantages.
A. Whatever B. Wherever C. Whichever D. Whoever
填空：On the doctor's advice, the old lady decided to live __________ the climate is mild．
原因状语从句
“因为”类: because/ as/ in that/ for/ since
The old man asked Lucy to move to another chair because he wanted to sit next to his wife.
It must have rained last night, for the ground is wet this morning.
The day breaks, for the birds are singing.
In that she is ill, she feels unable to do it
“既然”类：since/ now that
I'll do it for you since you are busy.
Now that you have got a job, you should learn to be independent of your parents.
短语类 because of/ due to/ owing to
The game was delayed because of rain.
His success was largely due to his correct judgement.
练习
Mary has to learn French____ she will be sent to work in Paris for a year.
A. while B. although C. because D. unless
______ you have many choices for your Spring Festival holiday, why not plan it ahead of time
A. Since B. If C. As if D. In case
These two countries are similar ______ they both have a high snowfall in winter.
A. due to B. because of C. in that D. except that
––Why were you absent yesterday
––I caught a cold, ________ I had been caught in the rain.
A. but. B. or. C. for D. so
You can’t use the computer now, _________ the upgrade of the system is under way.
A. until B. unless C. as D. after
结果状语从句
1．引导结果状语从句的从属连词有：__________, __________。
(1)单数名词
such+ a/an+形容词十名词=so+形容词+a/an+名词。
She is such a good teacher that all of us love her.
= She is ____________________ that all of us love her.
(2)不可数名词或可数名词复数一般须用 such...that。
He made ________rapid progress that before long he began to write articles in English.
They are ________interesting books that we all want to read them.
(3)名词前有 many，much，little，few 修饰时则用 so...that。
I've had so many falls that I'm black and blue all over.
George had so little money that he had to get a job.
They are such little children that they can't do anything.
巧记 so 和 such 引导结果状语从句
名前 ________，形副 ________，多多少少也用 ________
little 属特殊，“小”用 ________，“少”用 ________。
2．当so或such所在的主句主语与结果状语从句中的主语一致时，还可简化为：so/such ...as to ...。
He was so clever a student that he was able to work out all the difficult problems.
＝ He was so clever a student as to be able to work out all the difficult problems.
练习
①He is such a learned person that we admire him very much.
＝He is ____________________ that we admire him very much.
②It is _________fine weather that we all want to go to the park.
③He earned ___________little money that he couldn't support his family.
2．当so或such所在的主句主语与结果状语从句中的主语一致时，还可简化为：so/such ...as to ...。
He was so clever a student that he was able to work out all the difficult problems.
＝ He was so clever a student as to ____________________all the difficult problems.
目的状语从句
1．in order that/ so that 以便……；为了……
引导的状语从句中常用____________________。
When he goes out, he often wears sunglasses so that/in order that nobody/no one can recognize him.
John shut everybody out of the kitchen so that he could prepare his grand surprise for the party.
These men risk their lives in order that we may live more safely.
Drive carefully (so) that everyone can enjoy a long life.
2．for fear that, in case (that) “以防…. 万一….”
①The boy hid himself behind the tree in case/for fear that his father should see him.
②Take your raincoat in case/lest it should rain.
3. 短语类
In case of （以防）； in order to/ so as to 为了….
练习
Speak to him slowly _____ he may understand you better.
A. since B. so that C. for D. because
We should protect our environment from being polluted ______ our next generation will enjoy a blue sky and live a healthy life.
A. as if B. so that C. even if D. in case
The doctor shares his phone number with the patients ________ they need medical assistance.
A. if only B. as if C. even though D. in case
Leave your key with your neighbor _______ you lock yourself out one day.
A. as long as B. even though C. in case D. as if
改错：You can take an umbrella in case of it rains.状语从句
状语从句的定义-起副词作用的句子
我喜欢她
我喜欢善良的她
我很喜欢她
--复习定语的概念，定语从句的概念
--什么能够做状语？？
1. Say again.
Suddenly it began to rain.
2. He is loved by students for his humor.
Please come in the morning.
3. He comes to China to study Chinese.
They jumped to hear the news．
4. Walking in the street, I came across him.
Being well taken care of, she recovered quickly.
5. He has never asked for a leave even though he is ill.
Ma Yun announced the news to step down when he celebrated his birthday on Monday.
---找出下列状语
Wait a minute.
Having to finish his homework, the boy needs a pen.
The boy is angry now.
Frightened, he sits there soundlessly.
It can go all day and all night.
I will write to you as soon as I get there.
He went to school in spite of his illness.
状语从句的位置（去从句，主句完整，从句完整）
复习定语从句的位置：
复习名词性从句的位置：
主语从句：
宾语从句：
表语从句：
同位语从句：
判断下列句子是否是状语从句
I know what he is talking about.
He will call his friend who is working in London.
If I am not busy tomorrow, I will play football with you.
I like watching TV when I am eating.
He waited until she was about to leave.
Make marks at the places where you have any questions.
分类
时间状语从句
1．when, while和as的用法
when
1. “当“可与 瞬间性动词或延续性动词动词连用
I like watching TV when I am eating.
They finished the dinner when I arrived.
2. “突然“+瞬间性动词
was/were doing… when…
was/were about to do…when…
had just done… when
I was waiting for the bus when it began to rain.
I was about to go out when it began to rain.
I had just done my homework when it began to rain
while “当”
只能加延续性动词；从句动作与主句动作同时发生
I like watching TV while I am eating.
as
1. “随着“
as time went by, I grew up.
2. “一边…一边…”
I watch tv as I do homework.
练习：
1. 翻译：我正在等公交车的时候突然下雨了
2. I had just finished my housework ________ I heard cries for first aid the other day.
A. as B. while C. since D. when
填空I was about to do the washing up when the baby started crying.
改错With time went by, he began making films.
改错We were about to set off while it suddenly began to rain.
2．before与since的用法
(1)before表示“在……之前；还未……就……；还没来得及……就……”。常用于以下句型：
It will be＋一段时间＋before ... 多久之后才……
It won't be long before ... 不久之后就……
It was＋一段时间＋before ... 过了多久才……
John thinks it won't be long before he is ready for his new job.
It will be one month before they see land.
It was a long time before we saw each other again.
(2)since的用法
⑴since表示“自从……”，其引导的从句在句中作状语时，
主句常用 现在完成进行时/现在完成时；从句常用一般过去时。
I have returned home twice since I settled down in the States.
They have been living very happily since they got married.
⑵ since表示“自从……以来”，常用于“It is/has been＋时间段＋since从句”结构。该句型表示“自从开始……已经多长时间了”， 从句的时态用一般过去时，主句中的时态用现在完成时。
As is reported, it has been/is over 100 years since Tsinghua University was founded.
练习
I have heard a lot of good things about you ________ I came back from abroad.
A. since B. until C. before D. when
It will be around one year ________ we graduate from high school.
A. when B. while C. before D. after
The bus dropped me off and pulled away ____ I realized I had left my bag on it.
A. while B. before C. after D. since
It has been twenty years _______ I started learning English. Since
3．till, until和not ...until ...的用法
(1)until或till表示“某动作一直延续到某时间点才停止”，此时主句谓语动词是延续性动词，主、从句都为肯定式。
这两个词可以换用，但till不可以置于句首。
翻译：
He worked till midnight.
He ran until he was breathless
They played football until/ till it's dark.
They drove on until they reached a small town.
I'll stay here until the rain stops.
We lived in the countryside until two decades ago.
They kept singing and dancing until midnight.
(2)not ... until ... 表示“直到……才开始”，主句谓语动词是非延续。
He didn't realize it was a big mistake until years later.
As far as I know, his mother won't go to bed until he returns home every evening.
I won't leave until I finish my work.
The train didn't arrive until two hours later.
I never wake up until the alarm goes off.
练习
Tom said he would stick to his assumption ______ evidence was presented to prove he was mistaken.
A. on condition that B. until C. as long as D. providing
4．表示“一……就……，”
类型一 as soon as
类型二
immediately, directly, instantly, the moment, the minute, the instant
翻译：
The moment I heard the voice, I knew Father was coming.
I recognized her instantly I saw her.
The young lady rushed into the room immediately she heard the noise.
练习
改错：The moment when I heard the voice, I knew Father was coming.
改错：I recognized her at the instant I saw her.
单选：Just use this room for the time being，and we'll offer you a larger one ______ it becomes available.
A. as soon as B. unless C. as far as D. until
类型三：“no sooner ... than ..., hardly/scarcely ... when ...”
时态搭配：no sooner与hardly/scarcely后的句子谓语动词应用 had done
而than与when引导的句子谓语动词应用did。
练习
the sun rises，all the stars in the sky disappear．（ ）
A. The moment B. Before C. Till D. For
5. every+时间词； the+时间词
Every time I catch sight of myself in the mirror, I feel so confident.
The night I went to see her, she had left for Beijing to attend an important meeting.
The day he returned home, his father was already dead.
The week I was in hospital, she attended me at the bedside day and night.
He left home the year World War II broke out and ten years elasped when he returned.
练习
改错：I had a similar experience the last time when I visited China.
单选：It was boring that my aunt would talk about my examination marks without bringing any gifts ________ she came to visit me.
A. the first time that B. every time when
C. every time D. for the first time
单选：I could hardly recognize your son. ____I met him, he was only a little child.
A. From the moment B. For the first time
C. The first time D. The moment
条件状语从句
1．条件状语从句的常见引导词
if, unless (＝if ... not),
so/as long as (________只要____________),
on condition that 条件是
provided that 假设
suppose/supposing that/ assuming that 假设
①We will have a picnic in the park this Sunday unless it rains or it's very cold.
②My parents don't mind what job I do as long as I am happy.
练习
______we don't stop climate change， many animals and plants in the world will be gone．（）
A. Although B. While C. If D. Until
_______you lose the paper document, sign in www._______you might download all you need.
A. If; which B. So long as; what
C. In case万一; where D. Even if; as
Tom is so independent that he never asks his parents opinion________he wants their support．（）
A. since B. once C. unless D. after
—Our holiday cost a lot of money.
—Did it Well, that doesn't matter ______ you enjoyed yourselves.
A. as long as B. unless C. as soon as D. though
You may borrow the book ________ you don’t lend it to anyone else.
A. in good condition B. on no condition
C. on condition that D. in no condition
填空：You will never gain success ________ you are fully devoted to your work. unless
填空：The medicine will work more effectively __________ you drink some hot water after taking it. （if）
让步状语从句
1．although, though, while “虽然”。
Though/Although/While regular exercise is very important, it's never a good idea to exercise too close to bedtime.
2．as, though “虽然“，需要 _倒装___________________。
Although the night air was hot, we slept deeply because we were so tired after the long journey.
变：____________________, we slept deeply because we were so tired after the long journey.
3．“疑问词＋ ever” “无论……”。
However hard you try, it is difficult to lose weight without cutting down the amount you eat.
We shall love you whatever (no matter what) happens.
练习：判断以下是什么从句
Whatever I told must keep a secret. 主从
Whatever happened, you must keep a secret.状从
总结 疑问词+ever 引导名从+状从；no matter +疑问词：引导状从
4. even if/ even though “即使“
I will never give up my dream even if all the world were against me.
We wish each other a long life so as to share the beauty of this graceful moonlight, even though we are miles apart.
5．whether ... or ...引导的让步状语从句，
意为“无论”，表示正反两种情况都不会影响主句的意向或结果。
We'll go on with the work, whether we can find the necessary tools or we cannot.
练习
The how-to book can be of help to ________ wants to do the job. （09陕西）
A. who B. whomever C. no matter who D. whoever
______there were a few problems，the meeting still went well．（ ）
A. Because B. Although C. Yet D. As
Contrary to popular belief, the ants, hardworking _______ they are, have their time for play.
A. because B. while C. as D. where
_________, he knows a lot of Chinese characters.
A. Child as he is B. As a child he is
C. As he is a child D. A child as he is
—Dad, I've finished my assignment.
—Good, and _______ you play or watch TV, you mustn't disturb me.
A. whenever B. whether C. whatever D. no matter
填空：although/though/ while the old worker has limited technical knowledge, he has a lot of experience.
填空：whether she comes here or we go there，the topic of the discussion will remain unchanged.
改错：Though it was very cold,but he went out without an overcoat．
改错：Child although he is，he knows much about computer knowledge
地点状语从句
地点状语从句表示地点、方位，通常由____________________引导，可置于句首、句中或句尾。
I cannot hear the professor clearly as there is too much noise where I am sitting.
Wherever the sea is, you will find seaman.
The little girl who got lost decided to remain where she was and wait for her mother. (____________________)
The little girl who got lost decided to remain in the place where she was and wait for her mother. (____________________)
You’d better make a mark at the place where you have any questions.
You’d better make a mark where you have any questions.
I will always remember the days in the country when I see the photo of my parents
I will always remember the days when I lived with my grandparents in the country.
练习
单选：The traffic accidents always happen ________ drivers think no accidents will happen or no people will appear.
A. that B. where C. where D. how
单选：_________ you choose to live there are always going to be disadvantages.
A. Whatever B. Wherever C. Whichever D. Whoever
填空：On the doctor's advice, the old lady decided to live __________ the climate is mild．where
原因状语从句
“因为”类: because/ as/ in that/ for/ since
The old man asked Lucy to move to another chair because he wanted to sit next to his wife.
It must have rained last night, for the ground is wet this morning.
The day breaks, for the birds are singing.
In that she is ill, she feels unable to do it
“既然”类：since/ now that
I'll do it for you since you are busy.
Now that you have got a job, you should learn to be independent of your parents.
短语类 because of/ due to/ owing to
The game was delayed because of rain.
His success was largely due to his correct judgement.
练习
Mary has to learn French____ she will be sent to work in Paris for a year.
A. while B. although C. because D. unless
______ you have many choices for your Spring Festival holiday, why not plan it ahead of time
A. Since B. If C. As if D. In case
These two countries are similar ______ they both have a high snowfall in winter.
A. due to B. because of C. in that D. except that
––Why were you absent yesterday
––I caught a cold, ________ I had been caught in the rain.
A. but. B. or. C. for D. so
You can’t use the computer now, _________ the upgrade of the system is under way.
A. until B. unless C. as D. after
结果状语从句
1．引导结果状语从句的从属连词有： so …that; such …that。
(1)单数名词
such+ a/an+形容词十名词=so+形容词+a/an+名词。
She is such a good teacher that all of us love her.
= She is so good a teacher that all of us love her.
(2)不可数名词或可数名词复数一般须用 such...that。
He made such rapid progress that before long he began to write articles in English.
They are such interesting books that we all want to read them.
(3)名词前有 many，much，little，few 修饰时则用 so...that。
I've had so many falls that I'm black and blue all over.
George had so little money that he had to get a job.
They are such little children that they can't do anything.
巧记 so 和 such 引导结果状语从句
名前 such，形、副 so，多多少少也用 so。little 属特殊，“小”用 such，“少”用 so。
2．当so或such所在的主句主语与结果状语从句中的主语一致时，还可简化为：so/such ...as to ...。
He was so clever a student that he was able to work out all the difficult problems.
＝ He was so clever a student as to be able to work out all the difficult problems.
练习
①He is such a learned person that we admire him very much.
＝He is ____________________ that we admire him very much.
②It is _________fine weather that we all want to go to the park.
③He earned ___________little money that he couldn't support his family.
2．当so或such所在的主句主语与结果状语从句中的主语一致时，还可简化为：so/such ...as to ...。
He was so clever a student that he was able to work out all the difficult problems.
＝ He was so clever a student as to ____________________all the difficult problems.
目的状语从句
1．in order that/ so that 以便……；为了……
引导的状语从句中常用情态动词。
When he goes out, he often wears sunglasses so that/in order that nobody/no one can recognize him.
John shut everybody out of the kitchen so that he could prepare his grand surprise for the party.
These men risk their lives in order that we may live more safely.
Drive carefully (so) that everyone can enjoy a long life.
2．for fear that, in case (that) “以防…. 万一….”
①The boy hid himself behind the tree in case/for fear that his father should see him.
②Take your raincoat in case/lest it should rain.
3. 短语类
In case of （以防）； in order to/ so as to 为了….
练习
Speak to him slowly _____ he may understand you better.
A. since B. so that C. for D. because
We should protect our environment from being polluted ______ our next generation will enjoy a blue sky and live a healthy life.
A. as if B. so that C. even if D. in case
The doctor shares his phone number with the patients ________ they need medical assistance.
A. if only B. as if C. even though D. in case
Leave your key with your neighbor _______ you lock yourself out one day.
A. as long as B. even though C. in case D. as if
改错：You can take an umbrella in case of it rains.
