状语从句
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课件17张PPT。分类
引导词
词类辨析 状语从句1、时间状语从句(as/while/when/until/once/since/whenever
2.地点状语从句
(where/wherever
3.原因状语从句
because/as/since/now that/
4.条件状语从句
if/unless/as long as/on condition that
/provided that/in case/suppose/supposing
5.目的状语
so that/in order that/in case/in order to/so as to分类
6.结果状语从句
so …that/such…that/so that
7.方式状语从句
as/as if(though)
8.比较状语从句
than/as…as/the more…the more
9.让步状语从句
although/no matter+/even if/whatever/as(尽管)
1.引导时间状语的 as/while /when
when/while+doing
When/while reading,he fell asleep.
when+终止性、延续性动词
while+延续性动词
When the teacher came in,I was sleeping.
=While /When I was sleeping, the teacher
came in.
when (就在这时)
I was sleeping, when someone knocked at the door.
While( 而)
He likes music while I like sports..
He is a doctor_____I am a driver.
As(一边..一边)
As she was milking ,she was singing.另外引导时间状语的还有each time,
the moment, no sooner…than ,
hardly…when
as soon as / until /till(句首或强调句不用)
while二 . 地点状语从句
Wherever you go,please keep in touch with me.
省略形式：Make marks where necessary.
与定语从句有本质区别
Make a mark where you have any doubts .
Make a mark at the place where you have any doubts .
(一个说明动作发生的地点，一个修饰说明the place)地点状语从句定语从句三.原因状语从句
for /because /as / since = now that
for不放在句首，放在句中，只提供一种判断的依据：
As 语气稍弱，位置可前，可后。
Since =now that 表示双方都知道的原因。
because 是直接原因，回答why，可引导表语，也可用于强调句，与because of有区别。
有时可被非谓语短语代替：
Being seriously injured,the little poor boy can’t move at all.
五. 让步状语从句
We will go for a picnic unless it ____(rain).
The flowers should be watered if they _____( 想要存活)
注意：(让步 与虚拟和宾语从句区别)
If I ____(get) up early,I ______(catch)the school bus.
I’ve no idea if I______(succeed) in the end.六、so that目的状语从句 /结果状语从句
He shouted so that he could make himself self heard.
He shouted so that he made himself heard.
总结：后加情态动词may/can/will表目的
so as to /in order to
____get there in time,he got up early.
=He got up early ___get there in time.
总结so as to 只用于_____。七 .方式状语和比较状语从句
I will do as I am asked to.
It looks as if an earthquake ____(happen).
The policeman looked here and there,as if (he was) in search of something.
总结：方式状语从句可以用__or_____.
比较状语从句
The streets in Beijing are as crowded as those in Shanghai.
I look much older than him(he is).八 .让步状语从句although,though,as
_____he is a child ,he knows a lot.
=_______he is,he knows a lot. Though I love you much, I don’t marry you.
________I love you,I can’t marry you.
He promised to come,he didn’t ,_____.
总结：although放在句首，倒装时可用as 后面不跟but.
Though放在句首，也可用作副词放在句末，译为“然而”。
Although/ThoughChild asSince/Now that九.no matter+疑问词与/疑问词+ever(who,what,where,how)
_____breaks the rules should be punished.
_____breaks the rules ,he should be punished.
_____he says is not the truth.
______he says,you mustn’t trust him.
whoever/whatever 既可用于____又可用于_____。/No matter who/no matter what只引导______. WhoeverNo matter what since /before
It is +some time+since+did(点时间)
did 如果是延续性，则表该动作终止以来多长时间了。
We haven’t seen each other since I worked in the factory.(自从我不在工厂上班以来… )
before 用法：1、It was +sometime+before+did
两个小时以后药才起作用。
我没来得及接电话，他就挂了。
It was 2 hours before the medicine took effect.He hung before I could answer the phone.在… 以前 ：
来之前一定给我来电话。
趁着
趁着还不太晚，你最好去把眼睛检查一下。
Long before
不久我们又会见面了。Do call me before you come.You’d better have your eyes examined before it was too late.It won’t be long before we meet again.十、 as/like区别
1、介词as意思是作为，like是象
He is like his father.
As a seaside Ss,you can find some support that the university you are interested to offer you .
As是象、按照意思时，是个连词。
You should do as I told you to.
As 用法小结：可以引导：____、__、___、___、_____、____、
As 总结：能引导定语从句、时间状语从句、原因状语从句、让步状语从句、方式状语从句
改错：
Because he is ill,so he can’t come.
Though he is old,but he have a good memory.
If you think hard,and you will have an idea.
He has four sons,three of them are thieves.
Having finished work,so he went home.
He is very tired that he cannot walk on any more.
***Though 不与but连用，但可与yet,still连用，because 不与so 连用。十一、 状语从句注意问题：
1、从句用一般时代替将来时。
2、从句中的主语+be
(如果主从句主语一致，从句谓语动词为be,就可省略从句中的“主语+be”部分；或有时主语是it，也把it+is部分省去。
Unless invited, I won’t attend their wedding.
If (it is) necessary, I’ll explain it to you.
3、because与 so不同用。 though 与but不同用,但可与____和______连用。
引导词
词类辨析 状语从句1、时间状语从句(as/while/when/until/once/since/whenever
2.地点状语从句
(where/wherever
3.原因状语从句
because/as/since/now that/
4.条件状语从句
if/unless/as long as/on condition that
/provided that/in case/suppose/supposing
5.目的状语
so that/in order that/in case/in order to/so as to分类
6.结果状语从句
so …that/such…that/so that
7.方式状语从句
as/as if(though)
8.比较状语从句
than/as…as/the more…the more
9.让步状语从句
although/no matter+/even if/whatever/as(尽管)
1.引导时间状语的 as/while /when
when/while+doing
When/while reading,he fell asleep.
when+终止性、延续性动词
while+延续性动词
When the teacher came in,I was sleeping.
=While /When I was sleeping, the teacher
came in.
when (就在这时)
I was sleeping, when someone knocked at the door.
While( 而)
He likes music while I like sports..
He is a doctor_____I am a driver.
As(一边..一边)
As she was milking ,she was singing.另外引导时间状语的还有each time,
the moment, no sooner…than ,
hardly…when
as soon as / until /till(句首或强调句不用)
while二 . 地点状语从句
Wherever you go,please keep in touch with me.
省略形式：Make marks where necessary.
与定语从句有本质区别
Make a mark where you have any doubts .
Make a mark at the place where you have any doubts .
(一个说明动作发生的地点，一个修饰说明the place)地点状语从句定语从句三.原因状语从句
for /because /as / since = now that
for不放在句首，放在句中，只提供一种判断的依据：
As 语气稍弱，位置可前，可后。
Since =now that 表示双方都知道的原因。
because 是直接原因，回答why，可引导表语，也可用于强调句，与because of有区别。
有时可被非谓语短语代替：
Being seriously injured,the little poor boy can’t move at all.
五. 让步状语从句
We will go for a picnic unless it ____(rain).
The flowers should be watered if they _____( 想要存活)
注意：(让步 与虚拟和宾语从句区别)
If I ____(get) up early,I ______(catch)the school bus.
I’ve no idea if I______(succeed) in the end.六、so that目的状语从句 /结果状语从句
He shouted so that he could make himself self heard.
He shouted so that he made himself heard.
总结：后加情态动词may/can/will表目的
so as to /in order to
____get there in time,he got up early.
=He got up early ___get there in time.
总结so as to 只用于_____。七 .方式状语和比较状语从句
I will do as I am asked to.
It looks as if an earthquake ____(happen).
The policeman looked here and there,as if (he was) in search of something.
总结：方式状语从句可以用__or_____.
比较状语从句
The streets in Beijing are as crowded as those in Shanghai.
I look much older than him(he is).八 .让步状语从句although,though,as
_____he is a child ,he knows a lot.
=_______he is,he knows a lot. Though I love you much, I don’t marry you.
________I love you,I can’t marry you.
He promised to come,he didn’t ,_____.
总结：although放在句首，倒装时可用as 后面不跟but.
Though放在句首，也可用作副词放在句末，译为“然而”。
Although/ThoughChild asSince/Now that九.no matter+疑问词与/疑问词+ever(who,what,where,how)
_____breaks the rules should be punished.
_____breaks the rules ,he should be punished.
_____he says is not the truth.
______he says,you mustn’t trust him.
whoever/whatever 既可用于____又可用于_____。/No matter who/no matter what只引导______. WhoeverNo matter what since /before
It is +some time+since+did(点时间)
did 如果是延续性，则表该动作终止以来多长时间了。
We haven’t seen each other since I worked in the factory.(自从我不在工厂上班以来… )
before 用法：1、It was +sometime+before+did
两个小时以后药才起作用。
我没来得及接电话，他就挂了。
It was 2 hours before the medicine took effect.He hung before I could answer the phone.在… 以前 ：
来之前一定给我来电话。
趁着
趁着还不太晚，你最好去把眼睛检查一下。
Long before
不久我们又会见面了。Do call me before you come.You’d better have your eyes examined before it was too late.It won’t be long before we meet again.十、 as/like区别
1、介词as意思是作为，like是象
He is like his father.
As a seaside Ss,you can find some support that the university you are interested to offer you .
As是象、按照意思时，是个连词。
You should do as I told you to.
As 用法小结：可以引导：____、__、___、___、_____、____、
As 总结：能引导定语从句、时间状语从句、原因状语从句、让步状语从句、方式状语从句
改错：
Because he is ill,so he can’t come.
Though he is old,but he have a good memory.
If you think hard,and you will have an idea.
He has four sons,three of them are thieves.
Having finished work,so he went home.
He is very tired that he cannot walk on any more.
***Though 不与but连用，但可与yet,still连用，because 不与so 连用。十一、 状语从句注意问题：
1、从句用一般时代替将来时。
2、从句中的主语+be
(如果主从句主语一致，从句谓语动词为be,就可省略从句中的“主语+be”部分；或有时主语是it，也把it+is部分省去。
Unless invited, I won’t attend their wedding.
If (it is) necessary, I’ll explain it to you.
3、because与 so不同用。 though 与but不同用,但可与____和______连用。