"as"用法:
1)."as"引導(dǎo)限制性定語(yǔ)從句
a."such....as"
He is not such a fool as he looks.
I have never heard such a story as he tells.
b."the same ....as"
This is the same book as I lost last week.
(區(qū)分"the same...as"與"the same....that":兩者都引導(dǎo)定語(yǔ)從句。that從句中說(shuō)明的名詞與the same修飾的名詞是同一個(gè)。as從句中說(shuō)明的名詞與the same修飾的名詞是同一類(lèi),而非同一個(gè)。舉例:①This is the same pen that I lost. 這支鋼筆就是我丟的那一支。②This is the same pen as I lost. 這支鋼筆跟我丟的那支筆一模一樣。)
c."as...as"
As many children as came were given some cakes.
2)."as"引導(dǎo)非限制性定語(yǔ)從句
常用句式: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)道的
6. “which”在特殊從定法
(1)不用that的情況
(a)在引導(dǎo)非限定性定語(yǔ)從句時(shí)。
(c)The tree, which is four hundred years old, is very famous here.
(b)介詞后能用。
We depend on the land from which we get our food.
We depend on the land that/which we get our food from.
(2)只能用“that”引導(dǎo):如先行詞被“last,just”修飾時(shí),只用“that”。
(d)先行詞為序數(shù)詞、數(shù)容詞,又有人和物時(shí)。
(f)先行詞指物,在主句中作是“the way”或“the reason”時(shí),“that”可作關(guān)系副詞,也可省略。
(h)主句的主語(yǔ)是疑問(wèn)詞“who /which”時(shí),避免重復(fù)要用“that”.
舉例:
Is this the book that you borrowed in the library?
這是你在圖書(shū)館借的書(shū)嗎?
Who that break the window should be punished.
誰(shuí)打碎了窗戶誰(shuí)該受罰。
All that needed is a supply of oil.
所需的是石油供應(yīng)。
The thief gave out everything that he had stolen to the police.
那賊最終把偷的全部東西交給了警察。
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