状语从句简述[上学期]
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课件23张PPT。状语从句1、本讲内容：学习状语从句。
2、学习要求：
（1）掌握状语从句的种类。
（2）学会引导状语从句的从属连词。
3、学习指导：
（1）本讲重点：状语从句的种类。
（2）本讲难点：从属连词之间的区别。1、时间状语从句： 引导时间状语从句的从属连词有：when, while, as, whenever, before, after, since, till, until, as soon as, once…等引导。如： When he was still a young man, he was forced to leave his homeland for political reasons.
It has been 15 years since he left.
I’ll tell him the news as soon as I see him.
Once you have got used to it, you will like it.
I waited till he had finished his work. (3) by the time, each time, every time, immediately, the moment, the instant, the minute, soon after, shortly after都可以作为连词，引导时间状语。如： By the time he was fourteen, he had taught himself advanced mathematics. Each time he came, he would call on me.
You must show him in immediately he comes.
I recognized him the moment I saw him.2、地点状语从句：通常由连词where和wherever引导。如： Go back where you came from.
Wherever you go, you must write to your parents.
Where there is a will, there is a way.
Where there is too much, the poison and waste may do great harm to the things around us.3、原因状语从句： 通常由连词：because, as, since,
now that引导。区别是:because：表示“因为”，直接而明确的原
因和理由，语气最强，why提
问的句子，一般都用because
回答。He didn’t come because he was ill.since：表示“既然”，语气比because弱。Since you are here, you must do it.as：表示“因为”语气比because轻，引
导从句可放主句前也可放主句后。You needn’t go with me, as you are busy.
As I was afraid, I hid myself.now that意思与since相似，表示“既然”。 Now that you are in High School, you will probably spend more in reading.
Now that all the guests have arrived, let’s have our dinner.② because可以引导表语从句,而
as, since不可以，这时主语一
般都是it, this, that It’s because he is too lazy.4、目的状语从句： 通常由 so that, in order that, so…that, lest, in case（以防、免得）等引导： He got up early in order that he could catch the early bus.
She married him so that she might tend and comfort him.
I explained again and again in case he should misunderstand me.5、结果状语从句：由so that, so…that, such…that引导：
It was very cold, so that the river froze.
The book is so written that it gives a quite wrong idea of the facts.
There were so many people (=such a lot of people) in the room that we could not get in.
He made such an excellent speech that every one admired him.6、条件状语从句: 由 if, unless, as long as (=so long as) (只要), in case (that) (如果，万一)等引导： If plastics and rubber are burned, they give off poisonous gases. Unless you work hard, you will fail,
You can go out, as long as (so long as ) you promise to be back before eleven.7、方式状语从句：由连词：as, as if, as though引导：
The teacher told the students to do as he did.
Leave it as it is.
He heard a noise, as if someone was breathing.
I saw the man looking about him as if he wished to impress upon his mind everything. as if和as though意义和用法大致一样，引导的从句多用虚拟语气，但也可用陈述语气。
He treats me as if I were his own son.
He walked as if he were drunk. 8、比较状语从句： 由连词as…as, not so(as) …as, than等引导： I hope it was as good as the one you lent me.
Actually the ocean floor are almost as irregular as the exposed land area.9、让步状语从句： 由though, although, as (虽然尽管), even if, even though, wh-ever, no matter-wh, whether引导.no matter who
no matter what
no matter which
no matter when
no matter where
no matter howno matter wh-whatever
whoever
whichever
whenever
wherever
howeverwh - ever Whenever (=no matter when) you call on me, you are always welcome.
Wherever (no matter where) you work, you can always find time to study.
Take the one you like best, whichever (no matter which) it is. Though he is old, yet he is active.
Although most of the people agreed, some were not willing to accepted.
Proud as the nobles are, he is afraid to see me.
We wouldn’t lose heart even if we should fail ten times.
2、学习要求：
（1）掌握状语从句的种类。
（2）学会引导状语从句的从属连词。
3、学习指导：
（1）本讲重点：状语从句的种类。
（2）本讲难点：从属连词之间的区别。1、时间状语从句： 引导时间状语从句的从属连词有：when, while, as, whenever, before, after, since, till, until, as soon as, once…等引导。如： When he was still a young man, he was forced to leave his homeland for political reasons.
It has been 15 years since he left.
I’ll tell him the news as soon as I see him.
Once you have got used to it, you will like it.
I waited till he had finished his work. (3) by the time, each time, every time, immediately, the moment, the instant, the minute, soon after, shortly after都可以作为连词，引导时间状语。如： By the time he was fourteen, he had taught himself advanced mathematics. Each time he came, he would call on me.
You must show him in immediately he comes.
I recognized him the moment I saw him.2、地点状语从句：通常由连词where和wherever引导。如： Go back where you came from.
Wherever you go, you must write to your parents.
Where there is a will, there is a way.
Where there is too much, the poison and waste may do great harm to the things around us.3、原因状语从句： 通常由连词：because, as, since,
now that引导。区别是:because：表示“因为”，直接而明确的原
因和理由，语气最强，why提
问的句子，一般都用because
回答。He didn’t come because he was ill.since：表示“既然”，语气比because弱。Since you are here, you must do it.as：表示“因为”语气比because轻，引
导从句可放主句前也可放主句后。You needn’t go with me, as you are busy.
As I was afraid, I hid myself.now that意思与since相似，表示“既然”。 Now that you are in High School, you will probably spend more in reading.
Now that all the guests have arrived, let’s have our dinner.② because可以引导表语从句,而
as, since不可以，这时主语一
般都是it, this, that It’s because he is too lazy.4、目的状语从句： 通常由 so that, in order that, so…that, lest, in case（以防、免得）等引导： He got up early in order that he could catch the early bus.
She married him so that she might tend and comfort him.
I explained again and again in case he should misunderstand me.5、结果状语从句：由so that, so…that, such…that引导：
It was very cold, so that the river froze.
The book is so written that it gives a quite wrong idea of the facts.
There were so many people (=such a lot of people) in the room that we could not get in.
He made such an excellent speech that every one admired him.6、条件状语从句: 由 if, unless, as long as (=so long as) (只要), in case (that) (如果，万一)等引导： If plastics and rubber are burned, they give off poisonous gases. Unless you work hard, you will fail,
You can go out, as long as (so long as ) you promise to be back before eleven.7、方式状语从句：由连词：as, as if, as though引导：
The teacher told the students to do as he did.
Leave it as it is.
He heard a noise, as if someone was breathing.
I saw the man looking about him as if he wished to impress upon his mind everything. as if和as though意义和用法大致一样，引导的从句多用虚拟语气，但也可用陈述语气。
He treats me as if I were his own son.
He walked as if he were drunk. 8、比较状语从句： 由连词as…as, not so(as) …as, than等引导： I hope it was as good as the one you lent me.
Actually the ocean floor are almost as irregular as the exposed land area.9、让步状语从句： 由though, although, as (虽然尽管), even if, even though, wh-ever, no matter-wh, whether引导.no matter who
no matter what
no matter which
no matter when
no matter where
no matter howno matter wh-whatever
whoever
whichever
whenever
wherever
howeverwh - ever Whenever (=no matter when) you call on me, you are always welcome.
Wherever (no matter where) you work, you can always find time to study.
Take the one you like best, whichever (no matter which) it is. Though he is old, yet he is active.
Although most of the people agreed, some were not willing to accepted.
Proud as the nobles are, he is afraid to see me.
We wouldn’t lose heart even if we should fail ten times.