英文法・構文の要点

原級比較 Level 2

2026年11月1日

  • 原級で最上級の意味を表す表現
  • not so much A as B/not so much as ~
  • 原級比較を使った慣用表現
詳しい説明を読む

原級比較 Level 1では,as ~ as の基本形,not as ~ as,倍数表現,as ~ as possible を整理しました。このページでは,入試でよく問われる原級を使って最上級の意味を表す表現,not so much A as B,そして原級比較を使った慣用表現を見ていきます。

原級で最上級の意味を表す

as ~ as any + 単数名詞:どの…にも劣らず〜(= 最も〜な部類)
as ~ as ever + 動詞(lived など):史上まれに見る〜
No other + 単数名詞 + as ~ as A:A ほど〜なものはない

He is as clever as any boy in his class.
彼はクラスのどの男子にも劣らず頭がいい。

as ~ as any
as clever as any boy
誰と比べても劣らない
No other ~ as ~ as
No other mountain is as high as Mt. Fuji.
富士山が一番高い
詳しい説明を読む

原級を使って最上級の意味を表す表現があります。as ~ as any + 単数名詞は「どの…にも劣らず~」,as ~ as ever + 動詞(lived など)は「史上まれに見る~」,No other + 単数名詞 + as ~ as A は「A ほど~なものはない」という意味です。

He is as great a scientist as ever lived.
彼は史上まれに見る偉大な科学者だ。

No other mountain in Japan is as high as Mt. Fuji.
日本のほかのどの山も富士山ほど高くない。

No other + 単数名詞 + as ~ as A は,最上級 Mt. Fuji is the highest mountain in Japan. と同じ内容です。最上級の書き換えは「最上級 Level 2」でまとめて扱います。

not so much A as B

not so much A as B:A というよりむしろ B
= B rather than A = more B than A

He is not so much a scholar as a writer.
彼は学者というよりむしろ作家だ。

not so much A
not so much a scholar
「学者」の程度は低い
as B
as a writer
「作家」の程度のほうが高い
詳しい説明を読む

not so much A as B は「A というよりむしろ B」という意味で,B rather than A や more B than A と同じ内容を表します。

Success depends not so much on talent as on effort.
成功は才能よりもむしろ努力によって決まる。

訳すときは A と B の順序を逆にしないように注意しましょう。not so much A as B は「A ではなく B」に近い意味で,強調されているのは B のほうです。

同じ内容を表す書き換え

He is not so much a scholar as a writer.
= He is a writer rather than a scholar.
= He is more a writer than a scholar.
= He is less a scholar than a writer.

いずれも「学者というより作家だ」という意味です。more A than B のように同じ人・ものの2つの性質を比べる形は「比較級 Level 3」で扱います。

not so much as ~

not so much as ~ = not even ~:〜さえしない
not so much A as B と形が似ているので注意

He did not so much as say goodbye.
彼はさよならさえ言わなかった。

詳しい説明を読む

not so much as ~ は not even ~ と同じく「~さえしない」という意味です。not so much A as B と形が似ているので注意しましょう。

She left without so much as a word.
彼女は一言も言わずに去っていった。

not so much A as B は後ろに as B が続きますが,not so much as ~ は as の直後に動詞(原形)や名詞が続きます。as の後ろの形で見分けましょう。

原級比較を使った慣用表現

表現意味と例文
as good as ~〜も同然:The work is as good as finished.
as many as ~ / as much as ~(数・量が)〜も:As many as 500 people came.
as many ~同数の〜:He made five mistakes in as many lines.
as ~ as ever相変わらず〜:She is as beautiful as ever.
as ~ as can beこのうえなく〜:He is as happy as can be.
as far as ~〜の限りでは,〜まで:as far as I know
as long as ~〜する限りは,〜しさえすれば:as long as you are here

The work is as good as finished.
その仕事は終わったも同然だ。

詳しい説明を読む

原級比較を使った慣用表現には,as good as ~「~も同然」,as many as ~ / as much as ~「(数・量が)~も」,as ~ as ever「相変わらず~」,as ~ as can be「このうえなく~」などがあります。

As many as 500 people came to the concert.
500人もの人がコンサートに来た。

She is as beautiful as ever.
彼女は相変わらず美しい。

as many as ~(数)/ as much as ~(量・金額)は,後ろの数字が「多い」ことを強調します。as far as と as long as の使い分けは「接続詞 Level 2」で確認しましょう。

as ~ as ever の2つの意味

as ~ as ever は,She is as beautiful as ever.(相変わらず美しい)のように「以前と同じく」の意味で使うのが基本です。一方,as great a scientist as ever lived のように ever の後ろに動詞が続くと,「これまでに存在したどの人にも劣らず」→「史上まれに見る」という最上級に近い意味になります。

原級比較を見たら確認しよう

as ~ as any / No other ~ as ~ as → 最上級の意味
not so much A as B → A というより B
as good as / as many as → 慣用表現として意味をおさえる

原級比較の慣用表現を読み取る
This is not so much a hobby as a job for him.
→ not so much A as B:「これは彼にとって趣味というより仕事だ」

He couldn't so much as write his own name.
→ not so much as:「彼は自分の名前さえ書けなかった」

She earns as much as ten million yen a year.
→ as much as:「彼女は年に1000万円も稼ぐ」

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