在英語(yǔ)六級(jí)考試中,語(yǔ)法作為考察學(xué)生語(yǔ)言綜合能力的重要一環(huán),其掌握程度直接影響著最終成績(jī)。其中,“as+形容詞”結(jié)構(gòu)因其靈活性和高頻出現(xiàn),成為英語(yǔ)六級(jí)語(yǔ)法中必須攻克的關(guān)鍵語(yǔ)法點(diǎn)。這一結(jié)構(gòu)看似簡(jiǎn)單,實(shí)則蘊(yùn)含豐富用法,正確運(yùn)用能提升表達(dá)的準(zhǔn)確性和流暢度。本文將從結(jié)構(gòu)特點(diǎn)、用法場(chǎng)景及常見(jiàn)誤區(qū)三方面展開(kāi),結(jié)合實(shí)例解析這一語(yǔ)法的核心要點(diǎn)。

一、基礎(chǔ)結(jié)構(gòu)
“as+形容詞原級(jí)+as”是該結(jié)構(gòu)的標(biāo)準(zhǔn)形式,用于表達(dá)兩者在程度上的平等關(guān)系。例如:
“This room is as big as that one.”(這個(gè)房間和那個(gè)一樣大。)
“He runs as fast as you.”(他跑得和你一樣快。)
否定句或疑問(wèn)句中,需將第一個(gè)“as”替換為“so”:
“He cannot run so/as fast as you.”(他跑得不如你快。)
當(dāng)中間插入名詞時(shí),需調(diào)整格式:
“This is as good an example as the other is.”(這個(gè)例子和另一個(gè)一樣好。)
“I can carry as much paper as you can.”(我能帶的紙和你一樣多。)
二、倍數(shù)表達(dá)
若需強(qiáng)調(diào)倍數(shù)差異,需將倍數(shù)詞置于“as”前:
“This room is twice as big as that one.”(這個(gè)房間是那個(gè)的兩倍大。)
“This bridge is three times as long as that one.”(這座橋是那座的三倍長(zhǎng)。)
等價(jià)表達(dá)為“倍數(shù)+the+名詞+of”結(jié)構(gòu):
“This bridge is three times the length of that one.”(同上)
“Your room is twice the size of mine.”(你的房間是我的兩倍大。)
三、常見(jiàn)誤區(qū)
誤區(qū)1:混淆倍數(shù)與比較級(jí)
錯(cuò)誤:“This room is two times bigger than that one.”
正確:“This room is twice as big as that one.”
誤區(qū)2:名詞位置錯(cuò)誤
錯(cuò)誤:“Fetch me some as fresh as milk as this.”
正確:“Fetch me some milk as fresh as this.”(名詞需緊隨比較結(jié)構(gòu))
誤區(qū)3:否定句中誤用“as”
錯(cuò)誤:“He doesn’t run as fast as you.”(否定句需用“so”)
正確:“He cannot run so/as fast as you.”
四、實(shí)戰(zhàn)應(yīng)用
真題示例:
“Ten years ago the population of our village was _______ that of theirs.”
A. as twice large as
B. twice as large as
C. twice as much as
D. as twice much as
答案:B。
解析:選項(xiàng)A、D的倍數(shù)詞位置錯(cuò)誤,應(yīng)置于“as”前;選項(xiàng)C中“much”修飾不可數(shù)名詞,而“population”需用“l(fā)arge/big”修飾;選項(xiàng)B符合“倍數(shù)+as+adj.+as”的標(biāo)準(zhǔn)結(jié)構(gòu)。
掌握“as+形容詞”結(jié)構(gòu)不僅是英語(yǔ)六級(jí)語(yǔ)法的核心考點(diǎn),更是提升語(yǔ)言表達(dá)精準(zhǔn)度的關(guān)鍵。通過(guò)理解其結(jié)構(gòu)特點(diǎn)、靈活運(yùn)用倍數(shù)表達(dá)、規(guī)避常見(jiàn)誤區(qū),考生能在寫(xiě)作和翻譯中更準(zhǔn)確地表達(dá)比較關(guān)系。建議考生通過(guò)專(zhuān)項(xiàng)練習(xí)鞏固知識(shí)點(diǎn),結(jié)合真題分析掌握出題規(guī)律,實(shí)現(xiàn)語(yǔ)法能力的全面提升。
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