一 ：关系代词 as 引导的定语从句： 1） as 引导的限制性定语从句，一般 先行词前有such，the same 修饰， 构成 such + 名词 as…像……..之类的，像…..一
样的
the same + 名词 + as…和. …….同样的 as 可以充当主语，宾语或表语,
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1. He is not the same man as he was. 2. Such girls as he knows are good at
The factory, where I worked , belonged to Japan.
The war, when/ during which Chinese fought against Japanese , last (持续） eight years.
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1.She heard a terrible noise, _______
brought her heart into her mouth.
a.it b.which
c.this d.that
2.The weather turned out to be very good ,
____ was more than we could expect.
a.what b.which c.that d.it
made the others unhappy.
a．who b．which c．this d．what
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5. I bought an ancient chinese vase , _____ was very reasonable.
a. which price b. its price c. whose price d. that price
限定先行词
对现行词起补充说明作用
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The man , who has three children, is my uncle.
那个人， 有三个孩子， 是我的叔叔。
The man who has three children is my uncle.
那有三个孩子的人是我的叔叔。
She was late again, which made the teacher upset.
She was late again, ______ made the 5
The road was too slippery, __w__h_ic_h__caused lots of accidents.
She entered a good university, __a_s__ we had expected.
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注意：
as 引导的非限制性定语从句与which 引导 的非限制性定语从句异同：
1）都可指代整个句子，但as 从句位置灵 活，可位于句首，句中， 句尾， ”正如正 像”
2） which 引导的从句只位于主句之后，意
为A“s 这一点”,主从句一般是因果关系
_____is known , the ewahrtihchis round.
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3.Carol said the work would be done by
October, ＿＿＿＿＿personally I
doubt very much.
a. it b.that
c.when d.which
4.Dorothy was always speaking highly of
her role in the play, ________,of course ,
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限制性定语从句 非限制性定语从句
先行词与从句间没 有逗号隔开
先行词是名词或代 词
先行词与从句之间有逗号隔开
先行词是名词，代词或前面整个 句子（一般which指代整个句子）
关系代词，关系副 不能用that 引导，一般不用 词，介词+关系代词 why 引导而用for which 代替 引导
关系词做宾语时可省 关系词做宾语时不可省
This is my motorbike, which was sent to me by my uncle
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The vase, whose price is a little high, is valuable.
The girl, to whom I talked just now , was the manager of that company.
English . 3.We have found such materials as are
used in their factory. 2)the same + 名词 + as……..像….一样的 3) the same + 名词 +that ……就是同一人或物 This is the same bike as we lost yesterday.
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注意：1）定语从句中的主谓一致：
1.…one of +复数名词 + 关系代词+ 复数 形式动词
2. = …..not the only one of…….
3. Titanic is one of the most wonderful movies that have been produced in Hollywood.
The earth , as we know , moves round the sun .地球，我们都知道，围着太阳转。 Tom works hard and is willing to help others, as we all know.汤母工作努力，并且 乐于助人，这一点我们都知道。
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常见的as 引导的非限制定语从句 as we all know as is known as every knows as we (had) expected as is mentioned above
This is the same bike that we lost yesterday.
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3) as 引导的非限制性定语从句， 位置灵活， 可位于句首，句中，句尾， as “正如，正像“ As everyone knows ,China is a beautiful country with a lon着悠久历史 的美丽国家。