AI TOEIC 模試
TOEIC文法

比較級・最上級 — 差と程度を正確に表す

比較・同等・最上を文脈に合わせて使い分ける。

ゴール

数量・品質・頻度などの比較表現を誤用しない。

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形容詞/副詞の語長で -er/-est と more/most を選択。不規則（good/better/best, far/farther/farthest など）と相関構文（The 比較級…, the 比較級…）を押さえ、範囲指定（in/among/of）と可算/不可算（fewer/less）を同時に確認する。
以下のポイントを順番に押さえ、同じパターンの問題で解き方を再現できるようにしましょう。

整理メモ

語形変化まとめ

fast/faster/the fastest; long/longer/the longest

efficient/more efficient/the most efficient; carefully/more carefully

不規則変化

  • good/better/best
  • bad/worse/worst
  • far/farther/farthest（または further/furthest）
  • little/less/least
  • many/more/most
  • much/more/most

範囲指定の表現

  • 最上級 + in（場所/集団/領域）: the fastest in the team
  • 最上級 + of（複数要素の中で）: the best of the three
  • than + 対象（語法の並列を保つ）

数量表現のルール

  • fewer + 可算複数 / less + 不可算
  • number of + 可算 / amount of + 不可算
  • 比較対象が名詞のときは that of / those of で所有比較（Our revenue is higher than that of X）

並列・一致のルール

  • than / as の後は形・品詞をそろえる（more efficient than expected / more than we expected）
  • one of the + 最上級 + 複数名詞（one of the best performers）

強調表現

  • by far / easily / much + 最上級/比較級（by far the most popular, much better）
  • ever + 最上級（the best product we have ever launched）

ひっかけ注意

  • ✕ more faster / most fastest（二重比較・重複最上）→ ○ faster / the fastest
  • ✕ the most cheapest → ○ the cheapest
  • 最上級の the を忘れない（通常必要）
  • 可算/不可算の取り違え：✕ less meetings → ○ fewer meetings
  • amount/number 混同：✕ the amount of users → ○ the number of users
  • 名詞比較に形容詞を直接当てない：revenue is higher than that of… を用いる
  • 同等比較は as + 形/副 + as。否定では not as/so … as
  • 相関構文は the + 比較級, the + 比較級 の固定形

比較級/最上級

faster / the fastest；more efficient / the most efficient

コツ: 比較は than を伴い、最上は範囲を in/among/of で指定。

This processor is ___ than the previous model.

  • A.fastest
  • B.faster
  • C.more fast
  • D.as fast as

Our Q3 performance was ___ of the last five years.

  • A.better
  • B.more good
  • C.best
  • D.the best

She is the ___ person in the team.

  • A.most efficient
  • B.more efficient
  • C.efficientest
  • D.efficiently

同等比較

as + 形/副 + as；not as/so … as

コツ: 数量は as many/much as を使って強調可能（as many as 200）。

This version is not ___ the previous release.

  • A.more stable than
  • B.so stable as
  • C.as stable as
  • D.as stably as

We received ___ 200 inquiries this week.

  • A.as many as
  • B.as much as
  • C.so many as
  • D.more than

The tablet runs ___ the laptop when plugged in.

  • A.as smooth as
  • B.as smoothly as
  • C.so smoothly as
  • D.as smoother as

二重比較（相関構文）

The more you practice, the better you get.

コツ: 語順固定：*The + 比較級, the + 比較級*。

___ you practice, the better your pronunciation becomes.

  • A.More
  • B.The more
  • C.The most
  • D.As more

The ___ we invest in testing, the fewer incidents we face.

  • A.most
  • B.more
  • C.much
  • D.many

The later you start, the ___ time you have left.

  • A.less
  • B.least
  • C.fewer
  • D.fewest

数量の比較

fewer + 可算 / less + 不可算

コツ: number（可算）/ amount（不可算）の区別と、名詞比較では *that of / those of* を用いる。

We have ___ meetings this month than last month.

  • A.less
  • B.few
  • C.the fewest
  • D.fewer

The ___ of visitors this year is higher than last year.

  • A.amount
  • B.number
  • C.numbers
  • D.amounts

Our revenue is higher than ___ our nearest competitor.

  • A.those of
  • B.that for
  • C.that of
  • D.that to