条件付き取引: 'Provided that' および 'Providing that'
Grammar Rule in 30 Seconds
Use 'provided that' to set a strict, deal-breaking condition that must be met for something else to happen.
- Use 'provided that' for formal, firm conditions: 'You can go, provided that you finish work.'
- Use 'providing that' more in speech; it feels slightly less rigid than 'provided'.
- Never use 'will' in the 'provided' clause; use the present tense instead.
Overview
if 以外にも、ビジネスや法的な文脈、あるいは非常に厳格な前提条件を提示する際に使われる洗練された表現がいくつか存在します。provided that および providing that です。これらは日本語の「〜という条件で」「〜という場合に限り」に相当しますが、単なる if よりもはるかに「限定的」で「重みのある」ニュアンスを持っています。いわば、契約書や公的な通知、あるいはビジネス上の重要な交渉において、相手に対して「この条件が満たされない限り、結果は伴わない」という強い前提(stipulation)を突きつける際に使われる表現です。if を使いますが、あえて provided that を選択することで、「これは譲れない条件である」というプロフェッショナルな響きを演出します。この記事では、日本人学習者が混同しやすい他の条件表現との違いや、文法的な落とし穴、そして上級者として使いこなすべきシーンについて、深く掘り下げていきます。provided that と providing that は、文法的には「従属接続詞(subordinating conjunction)」として機能します。これらは分詞(participle)に由来しており、直訳的なイメージで捉えると理解が深まります。provided(過去分詞): 「(条件が)提供された状態で」→「〜という条件が整っているならば」providing(現在分詞): 「(条件を)提供している状態で」→「〜という条件を前提とするならば」
provided that も同様に、主節(メインの結果)に対して、その成立に不可欠な「絶対条件」を付け加える役割を果たします。if | provided / providing that |if 節と同様に、条件を表す節(従属節)と結果を表す節(主節)から成り立ちます。Provided/Providing that+ 条件節 (S + V), 主節 (S + V)- 主節 (S + V) +
provided/providing that+ 条件節 (S + V)
Provided that you pay the deposit, we will hold the room for you.
The event will be held outdoors, providing that the weather is clear.
provided that 節の中では、未来のことについて述べる場合でも「現在形」を使用します。これは、if 節や when 節などの時や条件を表す副詞節のルールと同じです。- 正しい例:
Provided that he arrives on time, we can start the meeting. - 間違いの例:
Provided that he will arrive on time...(×)
that の省略that は省略されることがよくありますが、上級レベルのライティングや法的な文書では、明快さを保つために省略せずに書くのが一般的です。日常的なビジネスメールでは provided you... のように省略しても問題ありません。will)、助動詞 (can, may, must) |We can offer a 10% discount, provided that you order more than 500 units.
Employees may work from home, provided that they attend all mandatory Zoom meetings.
The project will succeed, providing that everyone stays focused on the deadline.
You can borrow my car, provided that you return it with a full tank of gas.
will の使用will を入れたくなる誘惑に駆られます。特に provided that はフォーマルな響きがあるため、丁寧に言おうとして will を使ってしまうミスが散見されます。- なぜ間違えるか: 未来の不確定な要素を強調したいという心理が働くため。
- 対策:
provided thatは「その条件がすでに整っていると仮定して」というニュアンスを含むため、形は現在形に固定すると覚えましょう。
provided that を使うのは非常に不自然です。まるで契約書を突きつけているような、大げさで冷たい印象を与えてしまいます。- なぜ間違えるか: 覚えたての難しい単語を使いたいという上級者特有の意欲。
- 対策: 友人関係やカジュアルな場では
as long asや単純なifを使いましょう。provided thatは「スーツを着ている場面」で使う言葉です。
only if との混同provided that は「条件が満たされればOK」という肯定的な前提に焦点を当てますが、only if は「その条件以外では絶対にダメ」という排他的な制限を強調します。日本語ではどちらも「〜という条件で」と訳せてしまうため注意が必要です。I will go provided that you go.(あなたが行くなら、私も行くよ。=前向きな条件)I will go only if you go.(あなたが行く場合に限って、私は行く。=あなたが行かないなら絶対行かない、という強い限定)
if | 低〜高 | 最も汎用的で中立的 | もし〜なら |provided that | 高 | 厳格な規定・契約的 | 〜という条件で |as long as | 中 | 期間・状態の継続 | 〜である限りは |on condition that | 最高 | 法的・絶対的な制約 | 〜を条件として |unless | 中 | 除外条件 | 〜でない限り |provided that vs as long asas long as は「その状態が続いている間は」という時間の継続性に重きを置くことが多いのに対し、provided that は「その条件が満たされているか否か」という一点(Stipulation)に焦点を当てます。As long as you live here, follow my rules.(ここに住んでいる間はずっと...)You can live here provided that you pay rent.(家賃を払うという条件を満たすなら...)
provided と providing に意味の違いはありますか?provided that の方が書き言葉(契約書など)で好まれ、よりフォーマルで「決定された条件」という響きがあります。一方、providing that はやや口語的(といってもフォーマルなスピーチなど)で、「現在進行中の前提」というニュアンスがわずかに含まれます。Provided that... と置くと、まず「条件」を提示することになるため、相手に対して「まずこの条件を確認してください」という強い警告や念押しの効果があります。文末に置くと、結果を先に述べるため、よりスムーズで自然な情報の流れになります。provided that it does not rain(雨が降らないという条件で)のように使えます。ただし、否定の条件を強調したい場合は unless(〜でない限り)を使った方が簡潔で自然な場合も多いです。文脈が事務的・論理的なプロセスを説明している場合は、provided that... not を使うと正確性が増します。provided that で訳していいですか?as long as が適しています。provided that はあくまで「論理的な前提条件」です。「この書類を提出さえすれば、許可が降ります」といった事務的な文脈であれば provided that が最適です。Clause Structure with Provided That
| Main Clause (Result) | Conjunction | Subordinate Clause (Condition) | Tense Note |
|---|---|---|---|
|
I will go
|
provided (that)
|
you come too
|
Present Simple used for future
|
|
They can stay
|
providing (that)
|
they are quiet
|
Modal + Base form in main
|
|
The deal is off
|
provided (that)
|
payment is late
|
Present Simple in both
|
|
We would have come
|
provided (that)
|
we had known
|
Third conditional style
|
|
She'll sign
|
providing
|
the terms are fair
|
'That' is omitted
|
Meanings
A conditional conjunction used to introduce a condition that must be satisfied before the main clause can be realized. It implies a 'deal' or a restrictive requirement.
Contractual/Formal Requirement
Used in legal or professional contexts to stipulate mandatory terms of an agreement.
“The tenant may keep a pet, provided that a security deposit is paid in full.”
“Access is granted provided that users adhere to the privacy policy.”
Personal Reassurance/Permission
Used in spoken English to give permission or make a promise based on a specific behavior.
“I'll lend you the car, providing that you bring it back with a full tank.”
“We can eat outside, providing that it doesn't start raining.”
Hypothetical Restriction
Used to discuss future possibilities that are only possible under one specific circumstance.
“Provided that we leave now, we should arrive before the curtain rises.”
“The project will be a success, provided that everyone does their part.”
Reference Table
| フレーズ | 意味 | フォーマル度 | 典型的な使用例 |
|---|---|---|---|
|
Provided that
|
~という条件で;~の場合に限り
|
フォーマル
|
契約書、公式な合意、強い規定
|
|
Providing that
|
~という条件で;~の場合に限り
|
ややインフォーマル(だが似ている)
|
強い規定、一般的な条件(口語でよく使われる)
|
|
If
|
~の場合、もし~ならば
|
ニュートラル
|
一般的な可能性、通常の条件、仮説
|
|
As long as
|
~である限り;~という条件で(期間を伴うことが多い)
|
インフォーマル/ニュートラル
|
許可的な条件、期間、しばしば厳しくない
|
|
Unless
|
~でない限り;~の場合を除いて
|
ニュートラル
|
例外、否定的な条件、警告
|
|
Only if
|
~の場合に限り;~のときにのみ
|
ニュートラル/強調的
|
単一の重要な条件を強調
|
フォーマル度スペクトル
You are permitted to operate the vehicle, provided that the fuel tank is replenished upon return. (Lending a car)
You can use the car, provided that you put some petrol in it. (Lending a car)
You can take the car, providing you fill it up. (Lending a car)
Car's yours, long as you gas it up. (Lending a car)
条件節:「Provided/Providing That」
コアの意味
- On the condition that
- Only if
- Stipulation
主要フレーズ
- Provided that よりフォーマル、固定的
- Providing that ややインフォーマル、能動的
比較対象
- If 一般的な可能性
- As long as 期間/許可
- Unless 否定的な条件
使用される文脈
- Contracts
- Agreements
- Formal rules
- Strong promises
「Provided that」 vs. 「If」 vs. 「As long as」
条件節の選び方
強く、交渉の余地のない条件や規定を述べる必要がありますか?
条件はより一般的で、可能性や仮説ですか?
条件は期間やあまり厳しくない合意を示唆していますか?
文脈における条件
フォーマル/法律
- • The contract is binding provided that...
- • Access is granted providing that...
学術/専門
- • You'll pass provided that you study.
- • The proposal is accepted providing that...
日常/カジュアル
- • We can go, provided you're ready.
- • I'll help, providing you clean up.
強い強調
- • Payment is due, provided that the service is rendered.
- • She'll win, providing that she avoids mistakes.
レベル別の例文
You can go out, provided that you wear a coat.
You can go out if you wear a coat.
I will help, provided that you are kind.
I will help if you are kind.
We can play, provided that it is sunny.
We can play if it is sunny.
Eat the cake, provided that you share.
Eat the cake if you share.
I'll buy it, provided that it isn't too expensive.
I'll buy it on the condition it's not expensive.
You can stay, providing that you keep quiet.
You can stay if you are quiet.
Provided that he studies, he will pass the test.
If he studies, he will pass.
We'll have a picnic, providing that the weather is good.
We'll have a picnic if the weather is good.
The bank will lend us the money, provided that we have a guarantor.
The bank will lend money only if we have a guarantor.
You can take the day off, providing that you finish the report first.
You can have a holiday if the report is done.
Provided that everyone agrees, we shall move the meeting to Friday.
If everyone agrees, we'll change the date.
I don't mind you using my laptop, providing that you don't change the settings.
You can use my laptop if you don't touch the settings.
The warranty is valid, provided that the seal has not been broken.
The warranty works only if the seal is intact.
Providing that no further complications arise, she should be discharged tomorrow.
If there are no more problems, she can leave the hospital.
We can increase the budget, provided that you can justify the extra costs.
We'll give more money if you explain why.
The match will go ahead, provided that the pitch is not waterlogged.
The game happens if the field is dry enough.
The merger is likely to succeed, provided that the corporate cultures can be integrated effectively.
The merger will work if the cultures mix well.
Providing that the data is scrubbed of all personal identifiers, it can be used for research.
If the data is anonymous, it's okay for research.
The defendant may remain on bail, provided that he surrenders his passport to the court.
He stays out of jail if he gives up his passport.
Provided that the central bank maintains its current trajectory, inflation should stabilize by Q4.
If the bank continues its plan, inflation will drop.
The ontological argument holds water, provided that one accepts the initial premise of a necessary being.
The argument works if you accept the first idea.
Providing that the linguistic nuances are preserved in translation, the poem loses little of its original vigor.
If the translation is perfect, the poem stays strong.
The treaty remains in force, provided that neither signatory party commits a material breach of its terms.
The deal stays if no one breaks the rules.
Provided that the socio-political climate remains conducive to reform, the legislation will likely pass.
If the politics stay stable, the law will pass.
間違えやすい
Learners think they both mean 'if'.
They are very similar in meaning.
よくある間違い
I go provided that you go.
I will go provided that you go.
I'll help you provided that you will help me.
I'll help you provided that you help me.
Provided that it rains, we will go to the beach.
If it rains, we won't go to the beach.
The project is finished provided that the boss was happy.
The project will be considered finished provided that the boss is happy.
文型パターン
I will ___, provided that ___.
Real World Usage
The buyer shall pay the full amount, provided that the goods are delivered by Friday.
We can offer a higher salary, provided that you have the necessary certifications.
You can have dessert, providing that you eat your vegetables.
You may use this software for free, provided that it is for non-commercial use.
We'll reach the summit by noon, providing that the wind doesn't pick up.
The experiment is repeatable, provided that the temperature remains constant.
「That」は省略可能
単なる「If」ではない
未来の条件には現在形
文脈が鍵
配置が重要(コンマ!)
Smart Tips
Always use 'provided that' with the 'that' included. It sounds more legally binding.
Use 'providing' instead of 'provided' and drop the 'that'.
Stop! Replace 'will' with the present simple immediately.
Ask yourself: Is this a deal? If yes, use 'provided that'.
発音
The 'that' reduction
In 'provided that', the word 'that' is usually unstressed and pronounced with a schwa /ðət/.
Conditional Rise-Fall
Provided that you're ready (rise), we can leave (fall).
The rise indicates the condition is being set, the fall indicates the result.
暗記しよう
記憶術
Pro-vided = Pro-mise. You only get the result if the promise is kept.
視覚的連想
Imagine a bouncer at a club holding a clipboard. He only lets you in (the result) provided that your name is on the list (the condition).
Rhyme
Provided that the rules are clear, you have nothing left to fear.
Story
A king tells a knight, 'I will give you the gold, provided that you slay the dragon.' The knight slays the dragon, and only then does he get the gold. The 'provided that' was the contract between them.
Word Web
チャレンジ
Write three 'deals' you would make with a roommate or partner using 'provided that' (e.g., 'I'll cook, provided that you wash the dishes').
文化メモ
Very common in formal letters and legal contracts. British speakers often use 'providing' in speech more than Americans.
Used to sound 'tough' but fair in negotiations. It sets a clear boundary.
Used globally in research to limit the scope of a claim.
From the Latin 'providere' meaning 'to foresee' or 'to provide for'.
会話のきっかけ
Would you move to another country, provided that you were offered a dream job?
Can you lend me $100, providing that I pay you back tomorrow?
日記のテーマ
よくある間違い
Test Yourself
You can download the file ___ you create an account.
正しい文を選びましょう:
Find and fix the mistake:
You may attend the conference as long as you pay the full registration fee.
Score: /3
練習問題
8 exercisesI will lend you the money, provided that you ___ it back next week.
You can borrow my car, ___ that you fill it with petrol.
Find and fix the mistake:
Provided that he will arrive on time, we can start the meeting.
that / provided / stay / can / you / quiet / you / stay
1. Provided you have a ticket... 2. Provided it's sunny... 3. Provided you study...
Select the formal version of the condition.
We will go to the park ___ it rains.
Which sentence is grammatically correct?
Score: /8
Practice Bank
12 exercisesThe contract is valid, ___ both parties sign it.
I will buy that car providing that the dealer will drop the price.
正しい文を選びましょう:
英語に翻訳しましょう: 'Podemos ir al cine, siempre y cuando hayas terminado tu tarea.'
これらの単語を並べ替えて文を作りましょう:
条件フレーズと主な意味を一致させましょう:
The software is free to use, ___ it is not used for commercial purposes.
Providing that she would arrive on time, we could start the presentation.
正しい文を選びましょう:
英語に翻訳しましょう: 'Te daré mi apoyo, siempre y cuando me digas la verdad.'
これらの単語を並べ替えて文を作りましょう:
節を一致させましょう:
Score: /12
よくある質問 (8)
Yes, but it's less common. You would use the past perfect: 'I would have gone, provided that he had asked me.'
Mostly, yes, but it is more restrictive. It means 'if and only if'.
No, you can omit it in speech. 'Provided you are ready' is perfectly fine.
In writing, 'provided' is more common. In speech, 'providing' is very popular.
Yes! 'Provided that you pay, you can stay.' Just remember the comma.
It's perfect for business emails. it sounds professional and clear.
'As long as' is more casual and often refers to time. 'Provided that' is more formal and refers to a specific rule.
Yes. 'Provided that you do not smoke, you can stay here.'
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
siempre que / con tal de que
English does not use a special subjunctive mood here.
pourvu que
The mood of the verb (indicative vs subjunctive).
vorausgesetzt, dass
Word order in the subordinate clause.
~to iu joken de
Japanese uses a noun-based 'condition' phrase.
bi-shart an
Very similar logic and usage.
zhǐyào... jiù...
Chinese uses a correlative pair; English uses a single conjunction.
Learning Path
Prerequisites
Learn These First
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Subjunctive Mood
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