Day 3:OやCに「文」が入る ― that節・whether節を見抜く
なぜやるか
Day 1・2で学んだ( )メソッドは「修飾語句を取り除いて骨格を見つける」方法でした。
ところが今日扱うパターンは少し違います。
次の文を見てください。
The survey revealed that customer satisfaction had dropped significantly over the past quarter.
「なんとなく読み」をすると、動詞が2つ(revealed / had dropped)あり、「どっちが本当のV?」と混乱します。
正解はこうです。
– S: The survey(調査が)
– V: revealed(明らかにした)
– O: [that customer satisfaction had dropped significantly over the past quarter](顧客満足度が大幅に低下したということを)
「that以下のひとかたまり」が目的語(O)になっています。これが名詞節です。
今日は「名詞節(that節・whether節)」を見抜く練習をします。これができると、長くて複雑に見えるTOEICの文でも、本当のS・V・Oが一瞬で見えるようになります。
本編
1. 名詞節とは ― 「節がOやCの位置に入る」
英語の文の骨格(S + V + O)の「O(目的語)」の位置には、通常は名詞が入ります。
The manager confirmed [that the meeting would be postponed].(名詞節)
下の文では、「the meeting would be postponed(会議が延期される)」という節全体が「confirmed(確認した)」の目的語になっています。この「that + 節」のかたまりがthat節(名詞節)です。
2. that節の3つの使われ方
パターン①:動詞の後ろ(目的語)
最もよく出るパターン。「確認した・示した・発表した」などの動詞の後ろに続きます。
The report showed [that sales had increased by 15 percent].
The director announced [that the merger had been finalized].
that節を取るTOEIC頻出動詞:
confirm / announce / indicate / reveal / show / suggest / report / state / mention / note / find / conclude / expect / believe / recognize
パターン②:be動詞の後ろ(補語)
The fact is [that the budget has been exceeded].
The concern is [that the deadline cannot be met].
パターン③:形式主語 it の後ろ
It is important [that all employees attend the briefing].
It has been confirmed [that the contract will be renewed].
→ 「it」が仮の主語で、本当の主語は後ろの that 節。
3. whether節 ― 「〜かどうか」
whether節はthat節と同じく名詞節ですが、「〜かどうか」という意味を持ちます。
The question is [whether we can meet the deadline].(補語)
[Whether the plan succeeds or not] depends on funding.(主語)
✏️ POINT:whether節は〔whether S V or not〕の形が多い。TOEICでは「〜かどうかを確認する・検討する」という文脈でよく登場する。
4. 名詞節の処理方法
that節・whether節は修飾語句ではなく骨格の一部(O・C・S)です。( )で囲む代わりに、[ ]で囲んでOやCとして識別しましょう。
The CEO confirmed [that the company would expand into three new markets next year].
– S: The CEO
– V: confirmed
– O: [that the company would expand …]
骨格は「The CEO confirmed [that…]」と一言で言えれば十分。[ ]の中身は別途理解する。
やり方
| 順番 | 内容 |
|---|---|
| ① | that節・whether節の見分け方と骨格への組み込み方を確認する |
| ② | Section A(Q1〜10):基本レベル(シンプルな名詞節) |
| ③ | Section B(Q11〜25):標準レベル(主語節・目的語節・補語節を含む) |
| ④ | Section C(Q26〜40):発展レベル(名詞節が複数・ネスト構造) |
| ⑤ | 間違えた問題を確認。名詞節が骨格のどのスロット(S/O/C)に入るか確認する |
確認問題(40問)
that節・whether節を[ ]で囲み、骨格(S・V・O/C)を書き出し、全体を和訳してください。
Section A:基本(Q1〜Q10)
シンプルなthat節・whether節に慣れましょう。
Q1. The manager confirmed that the new office would open on schedule.
解答を見る
[ ]で囲む:
The manager confirmed [that the new office would open on schedule].
骨格: The manager confirmed [that…].
– 文型:第3文型(S + V + O)
– S: The manager(マネージャーが)
– V: confirmed(確認した)
– O: [that the new office would open on schedule](新しいオフィスが予定通り開設されるということを)
Q2. The report indicated that revenue had increased by 12 percent in the third quarter.
解答を見る
[ ]で囲む:
The report indicated [that revenue had increased by 12 percent in the third quarter].
骨格: The report indicated [that…].
– 文型:第3文型(S + V + O)
– S: The report(報告書が)
– V: indicated(示した)
– O: [that revenue had increased …](収益が12パーセント増加したということを)
Q3. The director announced that all staff would receive a performance bonus this year.
解答を見る
[ ]で囲む:
The director announced [that all staff would receive a performance bonus this year].
骨格: The director announced [that…].
– 文型:第3文型(S + V + O)
– S: The director(ディレクターが)
– V: announced(発表した)
– O: [that all staff would receive a performance bonus this year](全スタッフが今年業績賞与を受け取るということを)
Q4. It is important that all participants submit their forms before the deadline.
解答を見る
[ ]で囲む:
It is important [that all participants submit their forms before the deadline].
骨格: It is important [that…].
– 文型:第2文型(S + V + C)+ 名詞節
– S: It(仮主語)
– V: is(〜の状態だ)
– C: important(重要な)
– 本当の主語:[that all participants submit …]
Q5. The spokesperson stated that the company had no plans to reduce its workforce.
解答を見る
[ ]で囲む:
The spokesperson stated [that the company had no plans to reduce its workforce].
骨格: The spokesperson stated [that…].
– 文型:第3文型(S + V + O)
– S: The spokesperson(広報担当者が)
– V: stated(述べた)
– O: [that the company had no plans …](会社が人員削減の計画がないということを)
Q6. The survey found that most employees preferred flexible working arrangements.
解答を見る
[ ]で囲む:
The survey found [that most employees preferred flexible working arrangements].
骨格: The survey found [that…].
– 文型:第3文型(S + V + O)
– S: The survey(調査が)
– V: found(明らかにした)
– O: [that most employees preferred …](ほとんどの従業員が柔軟な勤務形態を好んでいるということを)
Q7. The customer service team was not sure whether the replacement part was in stock.
解答を見る
[ ]で囲む:
The customer service team was not sure [whether the replacement part was in stock].
骨格: The customer service team was not sure [whether…].
– 文型:第2文型(S + V + C)
– S: The customer service team(カスタマーサービスチームが)
– V: was not sure(確信がなかった)
– C: [whether the replacement part was in stock](交換部品が在庫にあるかどうか)
Q8. The CEO believes that a strong corporate culture is the key to long-term success.
解答を見る
[ ]で囲む:
The CEO believes [that a strong corporate culture is the key to long-term success].
骨格: The CEO believes [that…].
– 文型:第3文型(S + V + O)
– S: The CEO(CEOが)
– V: believes(信じている)
– O: [that a strong corporate culture is the key …](強い企業文化が長期的な成功の鍵であるということを)
Q9. Whether the project will be completed on time depends on the availability of resources.
解答を見る
[ ]で囲む:
[Whether the project will be completed on time] depends on the availability of resources.
骨格: [Whether…] depends on the availability of resources.
– 文型:第1文型(S + V)
– S: [Whether the project will be completed on time](プロジェクトが予定通りに完了するかどうか)
– V: depends on(〜にかかっている)
Q10. It has been confirmed that the product launch will take place in the spring.
解答を見る
[ ]で囲む:
It has been confirmed [that the product launch will take place in the spring].
骨格: It has been confirmed [that…].
– 文型:受動態+名詞節(S + V)
– S: It(仮主語)
– V: has been confirmed(確認された)
– 本当の主語:[that the product launch will take place in the spring]
Section B:標準(Q11〜Q25)
that節の中に修飾語句や別の従属節が入るパターンが登場します。
Q11. The financial report released this morning shows that the company’s operating profit has grown by 22 percent compared to the previous year.
解答を見る
[ ]で囲む:
The financial report (released this morning) shows [that the company’s operating profit has grown by 22 percent compared to the previous year].
骨格: The financial report shows [that…].
– 文型:第3文型(S + V + O)
– S: The financial report(財務報告書が)
– V: shows(示している)
– O: [that the company’s operating profit has grown …](営業利益が22パーセント増加したということを)
Q12. Researchers have concluded that regular physical activity significantly reduces the risk of developing chronic diseases later in life.
解答を見る
[ ]で囲む:
Researchers have concluded [that regular physical activity significantly reduces the risk of developing chronic diseases later in life].
骨格: Researchers have concluded [that…].
– 文型:第3文型(S + V + O)
– S: Researchers(研究者たちが)
– V: have concluded(結論付けた)
– O: [that regular physical activity reduces the risk …](定期的な運動が慢性疾患のリスクを大幅に下げるということを)
Q13. The committee noted that the deadline for submitting applications had already passed when the request was received.
解答を見る
[ ]で囲む:
The committee noted [that the deadline for submitting applications had already passed when the request was received].
骨格: The committee noted [that…].
– 文型:第3文型(S + V + O)
– S: The committee(委員会が)
– V: noted(指摘した)
– O: [that the deadline had already passed …](申請締め切りがすでに過ぎていたということを)
Q14. It is essential that the equipment be inspected by a certified technician before it is put into operation.
解答を見る
[ ]で囲む:
It is essential [that the equipment be inspected by a certified technician before it is put into operation].
骨格: It is essential [that…].
– 文型:第2文型(S + V + C)+ 名詞節
– S: It(仮主語)
– V: is(〜だ)
– C: essential(不可欠な)
– 本当の主語:[that the equipment be inspected …]
Q15. The human resources manager informed the team that the new benefits package would take effect from the beginning of next fiscal year.
解答を見る
[ ]で囲む:
The human resources manager informed the team [that the new benefits package would take effect from the beginning of next fiscal year].
骨格: The human resources manager informed the team [that…].
– 文型:第4文型(S + V + O + O)
– S: The human resources manager(人事マネージャーが)
– V: informed(知らせた)
– O1: the team(チームに)
– O2: [that the new benefits package would take effect …](新しい福利厚生パッケージが施行されるということを)
Q16. Whether the proposed expansion into overseas markets will be profitable remains uncertain at this stage.
解答を見る
[ ]で囲む:
[Whether the proposed expansion into overseas markets will be profitable] remains uncertain (at this stage).
骨格: [Whether…] remains uncertain.
– 文型:第2文型(S + V + C)
– S: [Whether the proposed expansion … will be profitable](提案された海外市場への拡大が収益性を持つかどうか)
– V: remains(〜のままである)
– C: uncertain(不確かな)
Q17. The study suggests that consumer spending habits have shifted significantly since the introduction of contactless payment options.
解答を見る
[ ]で囲む:
The study suggests [that consumer spending habits have shifted significantly since the introduction of contactless payment options].
骨格: The study suggests [that…].
– 文型:第3文型(S + V + O)
– S: The study(研究が)
– V: suggests(示唆している)
– O: [that consumer spending habits have shifted …](消費者の支出習慣が大幅に変化したということを)
Q18. The board has decided that it will defer the vote on the proposed acquisition until more financial data becomes available.
解答を見る
[ ]で囲む:
The board has decided [that it will defer the vote on the proposed acquisition until more financial data becomes available].
骨格: The board has decided [that…].
– 文型:第3文型(S + V + O)
– S: The board(取締役会が)
– V: has decided(決定した)
– O: [that it will defer the vote …](買収案の投票を延期するということを)
Q19. It was not until the third quarter that the company realized that its pricing strategy needed to be revised.
解答を見る
[ ]で囲む:
It was not until the third quarter (that the company realized [that its pricing strategy needed to be revised]).
骨格: It was not until the third quarter that the company realized [that…].
– 構造:強調構文 It is not until〜 that …(〜して初めて…する)
– S: the company(会社が)
– V: realized(気づいた)
– O: [that its pricing strategy needed to be revised](価格戦略を見直す必要があるということを)
Q20. The project manager reminded the team that all milestones needed to be documented and that progress reports should be submitted weekly.
解答を見る
[ ]で囲む:
The project manager reminded the team [that all milestones needed to be documented] and [that progress reports should be submitted weekly].
骨格: The project manager reminded the team [that…] and [that…].
– 文型:第4文型(S + V + O + O)
– S: The project manager(プロジェクトマネージャーが)
– V: reminded(念押しした)
– O1: the team(チームに)
– O2: [that…] and [that…](2つのthat節)
Q21. It is recommended that new employees familiarize themselves with the company’s code of conduct before their first day of work.
解答を見る
[ ]で囲む:
It is recommended [that new employees familiarize themselves with the company’s code of conduct before their first day of work].
骨格: It is recommended [that…].
– 文型:受動態+名詞節
– S: It(仮主語)
– V: is recommended(推奨される)
– 本当の主語:[that new employees familiarize …]
Q22. The audit revealed that several departments had been operating over budget for the past two quarters without proper authorization.
解答を見る
[ ]で囲む:
The audit revealed [that several departments had been operating over budget for the past two quarters without proper authorization].
骨格: The audit revealed [that…].
– 文型:第3文型(S + V + O)
– S: The audit(監査が)
– V: revealed(明らかにした)
– O: [that several departments had been operating over budget …](いくつかの部門が2四半期にわたり予算オーバーで運営していたということを)
Q23. The HR department confirmed whether candidates who had applied for the position had been notified of the interview schedule.
解答を見る
[ ]で囲む:
The HR department confirmed [whether candidates who had applied for the position had been notified of the interview schedule].
骨格: The HR department confirmed [whether…].
– 文型:第3文型(S + V + O)
– S: The HR department(人事部が)
– V: confirmed(確認した)
– O: [whether candidates … had been notified …](候補者たちが面接スケジュールを通知されたかどうか)
Q24. The committee concluded that the proposal, while innovative, was not financially viable given the current budget constraints.
解答を見る
[ ]で囲む:
The committee concluded [that the proposal, while innovative, was not financially viable given the current budget constraints].
骨格: The committee concluded [that…].
– 文型:第3文型(S + V + O)
– S: The committee(委員会が)
– V: concluded(結論付けた)
– O: [that the proposal was not financially viable …](提案書は財務的に実行可能ではないということを)
Q25. Analysts note that whether the new regulation will stimulate or hinder economic growth largely depends on how quickly businesses can adapt.
解答を見る
[ ]で囲む:
Analysts note [that [whether the new regulation will stimulate or hinder economic growth] largely depends on [how quickly businesses can adapt]].
骨格: Analysts note [that…].
– 文型:第3文型(S + V + O)
– S: Analysts(アナリストたちが)
– V: note(指摘している)
– O: [that whether … depends on how …](規制が経済成長を刺激するか阻害するかは〜にかかっているということを)
Section C:発展(Q26〜Q40)
名詞節が修飾語句と組み合わさったり、複数の節が入れ子になる高難度問題です。
Q26. The board of directors was informed that the company’s market share had declined for the third consecutive quarter, prompting an emergency review of the current sales strategy.
解答を見る
[ ]で囲む:
The board of directors was informed [that the company’s market share had declined for the third consecutive quarter], (prompting an emergency review of the current sales strategy).
骨格: The board of directors was informed [that…].
– 文型:第3文型の受動態(S + V + O)
– S: The board of directors(取締役会が)
– V: was informed(知らされた)
– O: [that the company’s market share had declined …](市場シェアが3四半期連続で低下したということを)
Q27. It remains unclear whether the proposed restructuring will result in any changes to employee benefits, as details of the plan have not yet been made public.
解答を見る
[ ]で囲む:
It remains unclear [whether the proposed restructuring will result in any changes to employee benefits], (as details of the plan have not yet been made public).
骨格: It remains unclear [whether…].
– 文型:第2文型(S + V + C)
– S: It(仮主語)
– V: remains(〜のままだ)
– C: unclear(不明確な)
– 本当の主語:[whether the proposed restructuring will result in …]
Q28. The investigation confirmed that the equipment failure, which caused the two-day production halt, had resulted from inadequate maintenance procedures that had not been updated in over five years.
解答を見る
[ ]で囲む:
The investigation confirmed [that the equipment failure, (which caused the two-day production halt), had resulted from inadequate maintenance procedures (that had not been updated in over five years)].
骨格: The investigation confirmed [that…].
– 文型:第3文型(S + V + O)
– S: The investigation(調査が)
– V: confirmed(確認した)
– O: [that the equipment failure had resulted from inadequate maintenance procedures …](機器の故障が不十分なメンテナンス手順から生じたということを)
Q29. It is worth noting that the region where the new plant will be built has one of the highest concentrations of skilled manufacturing workers in the country.
解答を見る
[ ]で囲む:
It is worth noting [that the region (where the new plant will be built) has one of the highest concentrations of skilled manufacturing workers in the country].
骨格: It is worth noting [that…].
– 文型:第2文型(S + V + C)+名詞節
– S: It(仮主語)
– V: is(〜だ)
– C: worth noting(言及する価値がある)
Q30. The CEO acknowledged that, while the company had met its short-term financial targets, the long-term sustainability of the current business model remained a concern.
解答を見る
[ ]で囲む:
The CEO acknowledged [that, (while the company had met its short-term financial targets), the long-term sustainability of the current business model remained a concern].
骨格: The CEO acknowledged [that…].
– 文型:第3文型(S + V + O)
– S: The CEO(CEOが)
– V: acknowledged(認めた)
– O: [that … the long-term sustainability remained a concern](長期的な持続可能性が依然として懸念事項であるということを)
Q31. Analysts predict that, regardless of whether the merger is approved by regulators, the industry will undergo significant consolidation over the next decade.
解答を見る
[ ]で囲む:
Analysts predict [that, (regardless of [whether the merger is approved by regulators]), the industry will undergo significant consolidation over the next decade].
骨格: Analysts predict [that…].
– 文型:第3文型(S + V + O)
– S: Analysts(アナリストたちが)
– V: predict(予測している)
– O: [that the industry will undergo significant consolidation …](業界が大規模な統合を経験するということを)
Q32. The project lead noted that, had the team followed the original timeline, the product would have been ready for launch two months earlier.
解答を見る
[ ]で囲む:
The project lead noted [that, (had the team followed the original timeline), the product would have been ready for launch two months earlier].
骨格: The project lead noted [that…].
– 文型:第3文型(S + V + O)
– S: The project lead(プロジェクトリーダーが)
– V: noted(指摘した)
– O: [that … the product would have been ready …](製品が2ヶ月早く発売準備が整っていたということを)
Q33. It is widely acknowledged that the shift toward remote work, accelerated by the global pandemic, has permanently altered expectations around workplace flexibility.
解答を見る
[ ]で囲む:
It is widely acknowledged [that the shift toward remote work, (accelerated by the global pandemic), has permanently altered expectations around workplace flexibility].
骨格: It is widely acknowledged [that…].
– 文型:受動態+名詞節(S + V)
– S: It(仮主語)
– V: is widely acknowledged(広く認められている)
– 本当の主語:[that the shift … has permanently altered …]
Q34. The compliance officer confirmed that whether an employee’s conduct constitutes a policy violation depends on the specific circumstances and the intent behind the action.
解答を見る
[ ]で囲む:
The compliance officer confirmed [that [whether an employee’s conduct constitutes a policy violation] depends on the specific circumstances and the intent behind the action].
骨格: The compliance officer confirmed [that…].
– 文型:第3文型(S + V + O)
– S: The compliance officer(コンプライアンス担当者が)
– V: confirmed(確認した)
– O: [that whether S V depends on …](従業員の行為が規定違反になるかどうかは〜次第だということを)
Q35. It should be noted that the figures presented in this report represent preliminary estimates and that the final numbers may differ once the audit has been completed.
解答を見る
[ ]で囲む:
It should be noted [that the figures presented in this report represent preliminary estimates] and [that the final numbers may differ once the audit has been completed].
骨格: It should be noted [that…] and [that…].
– 文型:受動態+2つの名詞節
– S: It(仮主語)
– V: should be noted(留意すべきだ)
– 本当の主語:2つの that 節
Q36. The regional manager explained that the decline in sales that had been observed over the past six months was attributable to a combination of factors, including increased competition and shifting consumer preferences.
解答を見る
[ ]で囲む:
The regional manager explained [that the decline in sales (that had been observed over the past six months) was attributable to a combination of factors, (including increased competition and shifting consumer preferences)].
骨格: The regional manager explained [that…].
– 文型:第3文型(S + V + O)
– S: The regional manager(地域マネージャーが)
– V: explained(説明した)
– O: [that the decline … was attributable to …](売上の低下が複数の要因に起因するということを)
Q37. It was not immediately clear whether the delay in regulatory approval would affect the timeline for the product rollout or whether it would require the company to seek additional funding.
解答を見る
[ ]で囲む:
It was not immediately clear [whether the delay in regulatory approval would affect the timeline for the product rollout] or [whether it would require the company to seek additional funding].
骨格: It was not immediately clear [whether…] or [whether…].
– 文型:第2文型(S + V + C)+2つのwhether節
– S: It(仮主語)
– V: was not immediately clear(すぐには明確ではなかった)
– 本当の主語:2つの whether 節
Q38. The analysis revealed that the markets in which the company had invested most heavily were also those that had shown the weakest performance over the review period.
解答を見る
[ ]で囲む:
The analysis revealed [that the markets (in which the company had invested most heavily) were also those (that had shown the weakest performance over the review period)].
骨格: The analysis revealed [that…].
– 文型:第3文型(S + V + O)
– S: The analysis(分析が)
– V: revealed(明らかにした)
– O: [that the markets … were also those …](最も投資した市場が最もパフォーマンスの低かった市場であるということを)
Q39. It is increasingly being recognized that the traditional measures of business success, such as quarterly earnings and market share, fail to capture the full picture of a company’s long-term health.
解答を見る
[ ]で囲む:
It is increasingly being recognized [that the traditional measures of business success, (such as quarterly earnings and market share), fail to capture the full picture of a company’s long-term health].
骨格: It is being recognized [that…].
– 文型:受動態+名詞節(S + V)
– S: It(仮主語)
– V: is being recognized(認識されつつある)
– 本当の主語:[that the traditional measures … fail to capture …]
Q40. Having established that the root cause of the supply disruption was a single-source dependency, the procurement team recommended that the company diversify its supplier base across at least three independent vendors.
解答を見る
[ ]で囲む:
(Having established [that the root cause of the supply disruption was a single-source dependency]), the procurement team recommended [that the company diversify its supplier base across at least three independent vendors].
骨格: The procurement team recommended [that…].
– 文型:第3文型(S + V + O)
– S: The procurement team(調達チームが)
– V: recommended(勧告した)
– O: [that the company diversify …](会社がサプライヤーを多様化するよう)
今日の重要語(10語)
| 単語 | 品詞 | 意味 | 用例 |
|---|---|---|---|
| indicate | 動詞 | 示す・示唆する | indicate that revenue has grown |
| confirm | 動詞 | 確認する・裏付ける | confirm that the meeting is postponed |
| acknowledge | 動詞 | 認める・認識する | acknowledge that the plan needs revision |
| conclude | 動詞 | 結論付ける | conclude that the approach is effective |
| reveal | 動詞 | 明らかにする | reveal that sales had declined |
| attribute | 動詞 | 〜のせいにする | be attributable to external factors |
| defer | 動詞 | 延期する・先送りにする | defer the vote until further notice |
| viable | 形容詞 | 実行可能な・採算の取れる | financially viable |
| preliminary | 形容詞 | 暫定的な・予備の | preliminary estimates |
| consolidation | 名詞 | 統合・合併 | industry consolidation |
本日のまとめ
- that節はV(動詞)の後ろ、C(補語)の後ろ、it の後ろに来て骨格の一部(O・C・S)になる
- whether節は「〜かどうか」という意味で、同じく骨格の一部になる
- 名詞節は( )では囲まず、[ ]で囲んでO・C・Sとして識別する
- 仮定法現在:suggest / recommend / require / essential / important + that節 → 動詞の原形
- that節の中にさらに修飾語句や別の節が入っても、「that節の中でもSとVを探す」原則は変わらない
明日の予告
Day 4では「副詞節」を扱います。because / although / when / if など接続詞で始まる節を( )で囲む練習をします。名詞節との違いを確実に押さえましょう。
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