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用as造句定語(yǔ)從句
as在定語(yǔ)從句中是什么意思？怎么用？as定語(yǔ)從句例句有哪些呢？
定語(yǔ)從句as造句的句子
(1) As is known to all, China is a developing country.
(2) He is from the south, as we can see from his accent.
(3) John, as you know, is a famous writer.
(4) As a student，I am supposed to work hard.
定語(yǔ)從句中as的用法
引導(dǎo)狀語(yǔ)從句的連詞as可以用作關(guān)系代詞，引導(dǎo)定語(yǔ)從句，因而被稱作準(zhǔn)關(guān)系代詞。
1.準(zhǔn)關(guān)系代詞as引導(dǎo)限制定語(yǔ)從句，用于以下3個(gè)結(jié)構(gòu)中，as在從句中作主語(yǔ)、賓語(yǔ)或表語(yǔ)：
a.so / such…as
Such people as were mentioned by him were honest. (as作主語(yǔ))
I’ve never seen such a clever man as he is. (as作表語(yǔ))
Last term our maths teacher set so difficult an (= such a difficult) examination problem as none of us worked out.
b.the same…as
Modern statemen are often faced with the same problem as defeated the ancient Romans. (as 作賓語(yǔ))
I like the same book as you do. (as 作賓語(yǔ))
c.as…as
As many children as came were given some cakes. (as 作主語(yǔ))
He is as diligent a man as ever lived. (as 作主語(yǔ))
補(bǔ)充：
a.such…as 與 such…that的區(qū)別
such…as 引導(dǎo)定語(yǔ)從句；such…that引導(dǎo)結(jié)果狀語(yǔ)從句。
They talked in such simple English as children could understand.
他們用孩子們能聽(tīng)懂的簡(jiǎn)單的英語(yǔ)交談。
They talked in such simple English that children could understand it.
他們用十分簡(jiǎn)單的英語(yǔ)交談，連孩子們都能聽(tīng)懂。
I will provide you with such things as you may need.
我要供給你一些你可以用得著的東西。
He shut the window with such a force that the glass broke.
他如此用力地關(guān)門(mén)，結(jié)果玻璃碎了。
b.the same…as與the same…that的區(qū)別：
the same…as指兩物相似，the same..描述的是同一物。
This is the same bag as I lost yesterday.
這個(gè)書(shū)包和我昨天丟失的（書(shū)包）相似。（相似物）
This is the same bag that I lost yesterday.
這正是我昨天丟失的那個(gè)書(shū)包。（同一物）
2.準(zhǔn)關(guān)系代詞as引導(dǎo)非限制定語(yǔ)從句。
a.as引導(dǎo)非限制性定語(yǔ)從句，只代表主語(yǔ)或主句的一部分所表達(dá)的意思(不能指代某個(gè)名詞或代詞)，可以放在主句前，后或中間，在從句中作主語(yǔ)或賓語(yǔ)、例如：
As is known to all, he is the best student in our class. (as指代整個(gè)句子，作主語(yǔ)，置于句首)
He opposed the idea, as could be expected. (as 指代整個(gè)句子，作主語(yǔ)，置于句末)
As we all know, he studies very hard. (as 指代整個(gè)句子，作賓語(yǔ)，置于句首)
Tai is, as you know, an inseparable part of China. (as指代整個(gè)句子，作賓語(yǔ)，置于句中)
常用的這類句式有：
as is said above 綜上所述 - as is known to all 眾所周知
as is often the case 通常如此 - as is reported in the newspaper 如報(bào)紙所報(bào)導(dǎo)的
b.主句具有否定意義，as引導(dǎo)的定語(yǔ)從句位于主句之后時(shí)，as指代得主句不包括否定意義，并可用but取代。例如：
Whales are now fish, as some people think / but some people think they are.
I am no orator, as Brutus is.我不善言詞,而勃魯特斯卻是個(gè)雄辯家.
Spiders are notinsects,as many people think, nor even near1y related to them.
蜘蛛不是昆蟲(chóng),盡管許多人認(rèn)為它是昆蟲(chóng),它甚至與昆蟲(chóng)幾乎沒(méi)有關(guān)系.
但as引導(dǎo)的定語(yǔ)從句謂語(yǔ)主句前時(shí)，as指代的主句仍包括否定意義。
As has been said above, grammar is not a set of dead rules.
正如前面所說(shuō)的，語(yǔ)法不是一套死條紋。
3.在非限制性定語(yǔ)從句中，which和as引導(dǎo)定語(yǔ)從句時(shí)的區(qū)別：
a.which引導(dǎo)的從句不能放在主句前，而as引導(dǎo)的從句則既可以放在主句前，也可以放在主句后。
b.用能做關(guān)系代詞，as和which都可以指代一個(gè)句子，但as有“正如”、“就像”之意，which則沒(méi)有此含義。
He is a foreigner, as I know from his accent. (as指代一個(gè)句子，意為“正如”、“就像”)
He has to work on Sunday, which he doesn’t like. (which指代一個(gè)句子，沒(méi)有“正如”、“就像”)
c.當(dāng)從句的謂語(yǔ)動(dòng)詞是be或相當(dāng)于聯(lián)系動(dòng)詞的seem, become等時(shí)，可用as或which作主語(yǔ)。但當(dāng)從句的謂語(yǔ)是行為動(dòng)詞時(shí)，只能用which作主語(yǔ)。
4.as 可用作連詞，引導(dǎo)狀語(yǔ)從句，構(gòu)成省略形式“as + 過(guò)去分詞”這一特殊結(jié)構(gòu)，譯成漢語(yǔ)時(shí)作用如定語(yǔ)。例如：
The bridge as shown in the picture is really wonderful. (as shown = as it is shown 可譯為“圖中的橋”)
See the answers as given at the end of this book. (as given = as it is shown 可譯為“書(shū)后給出的答案”)
English as spoken is Australia is slightly different from British English.
(as spoken = as it is spoken 可譯為“在澳大利亞講得英語(yǔ)”)
請(qǐng)看下列的“as + 過(guò)去分詞”結(jié)構(gòu)用于修飾前面的名詞：
The study as described in the article… 如文章中描述的那種學(xué)習(xí)
The program as conducted by… 由…指揮的（指導(dǎo)的）節(jié)目
The art as applied to medicine… 應(yīng)用于醫(yī)學(xué)的藝術(shù)
The products as seen on TV…電視上看到得產(chǎn)品
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