《As用法总结》课件
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③ As a writer, he was famous. language be most people in Australia.
④English is spoken as the first
3. As作为介词，常和以下动词连用。 regard…as/be known as/consider…as use…as/ describe…as/be remembered as work as/ act as/be honored as/
e.g We regard the sun as the source of most forms of energy.
《As用法总结》
Ⅴ. 含as的固定词组 1. as soon as→引导时间状语从句。
So/as far as I know→在句中作插
入语。意思是“据我所知”。
e.g As/So far as I know, he will come here next Monday.
《As用法总结》
④ As is well known, oceans cover more than 70% of the earth.
3. 若非限制性定语从句位于句首，句中或句末， 则用as来引导。e.g
① As we expected, he completed his task with great success.
① Child as she is, she knows a lot. ★
→ Though she is a child, she
knows a lot. ② Busy as he is, he insists on studying. → Though he is busy,
he … .
③ Try as he might, Tom could not get out of the
as用法归纳
as一词在高中课本中，看起来简单，但用
法很多，经常出现，而又不易掌握。主要 表现在词性多，词义广，用法灵活。现将 其用法归纳如下：
Ⅰ. as 作副词，表示程度，意为“同样地”。在“as…as”, “not as…as”结构中的
第一个as是副词，作“和/与…(不)一样”解。e.g
①Jack is as tall as his father. as/so fluently as you.
② The compass was invented in China, as we know now.
4. 若非限制性定语从句中的谓语动词是 be said be known,be expected, be reported , be announced等结构时，不论是在句首，句中， 句末，都必须as用 来引导. e.g
As is known to us, Taiwan is a part of China.
《As用法总结》
Ⅳ. As作介词
1. 作 “如，像”解。e.g
① They got united百度文库as one man. closed friend.
② She spoke of me as her
2. 作“充当，作为”解。e.g
③ When a pencil is
partly in a glass of water, it looks as if it were broken. ★
④ As(it
is)in your country, we grow wheat in the north and rice in the south. 正如(像)
wiser as we get older.
2. 引导原因状语从句，与because的用法相近。 e.g ① As it was getting very late, we soon turned back.
② We must stop writing now, as I have rather a lot of work to do.
你们国家一样，…… 。
4. 引导条件状语从句。主要句式有：
as long as /so long as 只要
《As用法总结》
e.g As long as you study hard, you will make great progress.
5. 引导让步状语从句；作“虽然，尽管”解。这时从句常用倒状语序，即把从句中 的表语,状语或动词原形放在as之前。e.g
《As用法总结》
3. 引导方式状语从句，作“正如，好象，按照”解。主要的句式有as if(as though);just as;just as…as . e.g
① When at Rome, do as Romans do.
② We do farm work as the old
peasant teaches us.
① He wished to be such a man as Lei Feng was.
② My bike is the same as yours. 2. 引导非限制性定语从句，用来指代它前面的整个句子(即先行句)，意思是“这一 点”。这个分句可以放在句首，句中，或句末。e.g
③ This elephant is like a snake, as anybody can see.
difficulties.
→ Though he might try, Tom could not
get out of the difficulties.
《As用法总结》
Ⅲ. As作关系代词
1. 引导限制性定语从句，用在“such… as”, “the same …as/the same as”等结 构中，常译作“像……一样的人或物”，“凡是……的人或物”。e.g
②He doesn’t speak English
《As用法总结》
Ⅱ. As作连词，主要引导以下状语从句：
1. 引导时间状语从句。与while意义相近，强调两个动作同时发生；或某事一发生，
另一事立刻发生。e.g
① He shouted aloud
as he ran along.
② I was startled as he opened the door. ③ We get
④English is spoken as the first
3. As作为介词，常和以下动词连用。 regard…as/be known as/consider…as use…as/ describe…as/be remembered as work as/ act as/be honored as/
e.g We regard the sun as the source of most forms of energy.
《As用法总结》
Ⅴ. 含as的固定词组 1. as soon as→引导时间状语从句。
So/as far as I know→在句中作插
入语。意思是“据我所知”。
e.g As/So far as I know, he will come here next Monday.
《As用法总结》
④ As is well known, oceans cover more than 70% of the earth.
3. 若非限制性定语从句位于句首，句中或句末， 则用as来引导。e.g
① As we expected, he completed his task with great success.
① Child as she is, she knows a lot. ★
→ Though she is a child, she
knows a lot. ② Busy as he is, he insists on studying. → Though he is busy,
he … .
③ Try as he might, Tom could not get out of the
as用法归纳
as一词在高中课本中，看起来简单，但用
法很多，经常出现，而又不易掌握。主要 表现在词性多，词义广，用法灵活。现将 其用法归纳如下：
Ⅰ. as 作副词，表示程度，意为“同样地”。在“as…as”, “not as…as”结构中的
第一个as是副词，作“和/与…(不)一样”解。e.g
①Jack is as tall as his father. as/so fluently as you.
② The compass was invented in China, as we know now.
4. 若非限制性定语从句中的谓语动词是 be said be known,be expected, be reported , be announced等结构时，不论是在句首，句中， 句末，都必须as用 来引导. e.g
As is known to us, Taiwan is a part of China.
《As用法总结》
Ⅳ. As作介词
1. 作 “如，像”解。e.g
① They got united百度文库as one man. closed friend.
② She spoke of me as her
2. 作“充当，作为”解。e.g
③ When a pencil is
partly in a glass of water, it looks as if it were broken. ★
④ As(it
is)in your country, we grow wheat in the north and rice in the south. 正如(像)
wiser as we get older.
2. 引导原因状语从句，与because的用法相近。 e.g ① As it was getting very late, we soon turned back.
② We must stop writing now, as I have rather a lot of work to do.
你们国家一样，…… 。
4. 引导条件状语从句。主要句式有：
as long as /so long as 只要
《As用法总结》
e.g As long as you study hard, you will make great progress.
5. 引导让步状语从句；作“虽然，尽管”解。这时从句常用倒状语序，即把从句中 的表语,状语或动词原形放在as之前。e.g
《As用法总结》
3. 引导方式状语从句，作“正如，好象，按照”解。主要的句式有as if(as though);just as;just as…as . e.g
① When at Rome, do as Romans do.
② We do farm work as the old
peasant teaches us.
① He wished to be such a man as Lei Feng was.
② My bike is the same as yours. 2. 引导非限制性定语从句，用来指代它前面的整个句子(即先行句)，意思是“这一 点”。这个分句可以放在句首，句中，或句末。e.g
③ This elephant is like a snake, as anybody can see.
difficulties.
→ Though he might try, Tom could not
get out of the difficulties.
《As用法总结》
Ⅲ. As作关系代词
1. 引导限制性定语从句，用在“such… as”, “the same …as/the same as”等结 构中，常译作“像……一样的人或物”，“凡是……的人或物”。e.g
②He doesn’t speak English
《As用法总结》
Ⅱ. As作连词，主要引导以下状语从句：
1. 引导时间状语从句。与while意义相近，强调两个动作同时发生；或某事一发生，
另一事立刻发生。e.g
① He shouted aloud
as he ran along.
② I was startled as he opened the door. ③ We get