微课2状语从句重点难点归纳课件
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2. as也可用来引导原因状语从句意为“因为”； As she is free today, she would like to do some shopping. （因为）
3. as还可用来引导让步状语从句（通常用倒装结构）意为“尽 管”。 Tired as he was, he refused to take a rest. （尽管） Hard as he worked, he can’t work out the problem. Child as he is, he knows a lot.
连接词as的用法小结
1. as可用来引导时间状语，意为“一边…一边”；随着 She sang as she walked home all the way. (一边…一边） She was doing her homework as she was listening to the music. As she grew older, she became more beautiful. （随着） As the day went on, the weather got worse.
goal is to do well in his or her studies, it doesn’t
need to be the only goal.
A when B As 9. Mary made coffee
C
C While
D Before
her guests were
finishing their meal.
She sang as she walked along. As the election approached, the violence（暴行） got
worse.
小结： 1．一些词，如the moment, the minute, the instant,
immediately, directly, instantly, hardly…when, scarcely…when, no sooner…than等也可引导时 间状语从句，相当于as soon as的意思。
Jane was dressed in brown while Mary was dressed in blue. 3. 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. 4 趁…的情况赶紧做, 否则来不及了 Strike while the iron is hot.
When/While he was eating his breakfast, he heard the
doorbell ring.
While he was watching TV, the boy fell asleep. 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……”， 。
候”从句的谓语动词可以是延续的，也可以是短暂的。
When the film ended, they went back. When I lived there, I used to go to the seashore on Sundays. 2. When 常用于下列句式：意为“就在那时”。如： … was doing something when… … was about to do something when… … was on the point of doing sth. when… … had done…when… 3. when可以表“既然”，如： How can I help them to understand when they won’t listen to me?
问题2:
Baidu Nhomakorabea
6. The cost of living in Glasgow is among the lowest
in Britain, ___D___ the quality of life is probably one
of the highest.
A. since B. when
C. as
D. while
A. so that B. although C. while D. as if
连接词while的用法小结
1. while可用来引导时间状语，意为“当……的时候”； 引导的动作必须是持续性的，如：
Please don’t talk so loud while others are working. 2. while作为并列连词，意为“而，却”，表示对比。
7. ___A___ I accept that he is not perfect, I do actually
like the person.
A. While B. Since
C. Before D. Unless
8. ___C_____it is true that a student’s most important
连接词when, while, as的用法区别： when, while, as这三个连词都可表示“当……的时候”， 使用时应注意： 1) when可表示一个时间点，也可表示一个时间段。
When he came in, we were having supper.
When we were having supper, the light suddenly went out. 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。
Revision of the Adverbial Clauses
状语从句
状语从句中部分连词的用法比较when,
while, as, before, until, till, before, where, wherever, whoever,等
注意同一个从属连词的多义性：
连接词when的用法小结 1. when可用来引导时间状语从句，意为“当……的时
3. as还可用来引导让步状语从句（通常用倒装结构）意为“尽 管”。 Tired as he was, he refused to take a rest. （尽管） Hard as he worked, he can’t work out the problem. Child as he is, he knows a lot.
连接词as的用法小结
1. as可用来引导时间状语，意为“一边…一边”；随着 She sang as she walked home all the way. (一边…一边） She was doing her homework as she was listening to the music. As she grew older, she became more beautiful. （随着） As the day went on, the weather got worse.
goal is to do well in his or her studies, it doesn’t
need to be the only goal.
A when B As 9. Mary made coffee
C
C While
D Before
her guests were
finishing their meal.
She sang as she walked along. As the election approached, the violence（暴行） got
worse.
小结： 1．一些词，如the moment, the minute, the instant,
immediately, directly, instantly, hardly…when, scarcely…when, no sooner…than等也可引导时 间状语从句，相当于as soon as的意思。
Jane was dressed in brown while Mary was dressed in blue. 3. 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. 4 趁…的情况赶紧做, 否则来不及了 Strike while the iron is hot.
When/While he was eating his breakfast, he heard the
doorbell ring.
While he was watching TV, the boy fell asleep. 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……”， 。
候”从句的谓语动词可以是延续的，也可以是短暂的。
When the film ended, they went back. When I lived there, I used to go to the seashore on Sundays. 2. When 常用于下列句式：意为“就在那时”。如： … was doing something when… … was about to do something when… … was on the point of doing sth. when… … had done…when… 3. when可以表“既然”，如： How can I help them to understand when they won’t listen to me?
问题2:
Baidu Nhomakorabea
6. The cost of living in Glasgow is among the lowest
in Britain, ___D___ the quality of life is probably one
of the highest.
A. since B. when
C. as
D. while
A. so that B. although C. while D. as if
连接词while的用法小结
1. while可用来引导时间状语，意为“当……的时候”； 引导的动作必须是持续性的，如：
Please don’t talk so loud while others are working. 2. while作为并列连词，意为“而，却”，表示对比。
7. ___A___ I accept that he is not perfect, I do actually
like the person.
A. While B. Since
C. Before D. Unless
8. ___C_____it is true that a student’s most important
连接词when, while, as的用法区别： when, while, as这三个连词都可表示“当……的时候”， 使用时应注意： 1) when可表示一个时间点，也可表示一个时间段。
When he came in, we were having supper.
When we were having supper, the light suddenly went out. 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。
Revision of the Adverbial Clauses
状语从句
状语从句中部分连词的用法比较when,
while, as, before, until, till, before, where, wherever, whoever,等
注意同一个从属连词的多义性：
连接词when的用法小结 1. when可用来引导时间状语从句，意为“当……的时