à condition que

The French phrase à condition que is a powerful conjunctional locution used to express a strict requirement or a prerequisite for an action to take place. In English, it is most frequently translated as "on condition that," "provided that," or sometimes "as long as." This phrase is foundational for establishing agreements, setting boundaries, and negotiating terms in both formal and informal contexts. It acts as a logical gatekeeper; the main clause of a sentence only becomes valid or true if the clause following à condition que is satisfied. Because it introduces a hypothetical or desired state that is not yet a reality, it fundamentally requires the use of the subjunctive mood in the following verb. This grammatical requirement is what often distinguishes it from the simpler conditional marker "si" (if), which usually takes the indicative mood. When people use this phrase, they are signaling that there is no flexibility regarding the requirement. It is not a suggestion but a mandatory stipulation. For instance, a parent might use it when setting rules for a child, or a business professional might use it when outlining the terms of a contract. The phrase carries a weight of precision and clarity. It eliminates ambiguity by clearly separating the result from the necessary cause. In daily conversation, it can be used to make plans, such as agreeing to go to the cinema only if a specific film is playing. In more formal writing, it serves to link complex ideas where one is strictly dependent on the other. Understanding this phrase requires not just knowing its translation, but also mastering the subjunctive conjugations that must follow it, making it a key milestone for intermediate French learners moving from basic communication to nuanced expression.

Grammatical Category

Conjunctional Phrase (Locution conjonctive)

Mood Requirement

Always followed by the subjunctive (le subjonctif)

Logical Function

Expresses a sine qua non condition (an essential requirement)

The versatility of à condition que allows it to function in various temporal frameworks. Whether you are discussing future possibilities, present requirements, or past hypothetical conditions, the structure remains a pillar of logical French syntax. It is particularly useful in negotiations where terms are non-negotiable. By using this phrase, the speaker asserts a level of control and clarity over the situation. It is also a marker of a more sophisticated level of French, as it demonstrates the speaker's ability to navigate the complexities of the subjunctive mood and subordinate clauses. In literature, it is often used to set up dramatic tension where a protagonist's success hinges on a singular, difficult condition. In legal documents, it provides the necessary precision to define obligations. Overall, mastering à condition que is essential for anyone looking to express complex logical relationships in French.

Using à condition que correctly requires a two-step mental process. First, you must identify the main action (the result) and the secondary action (the condition). Second, you must ensure that the verb following the phrase is properly conjugated in the subjunctive mood. This is where many English speakers struggle, as the subjunctive is less common in modern English. For example, in the sentence "I will help you provided that you listen," the French translation would be "Je t'aiderai à condition que tu écoutes." Here, "écoutes" is in the present subjunctive. The structure typically follows the pattern: [Main Clause] + [à condition que] + [Subject] + [Subjunctive Verb]. It is important to note that the main clause can be in various tenses, such as the future, the present, or the conditional, but the subordinate clause remains in the subjunctive. This consistency helps maintain the logical flow of the condition. Furthermore, à condition que can be placed at the beginning of a sentence for emphasis, though this is slightly more formal: "À condition que vous fassiez des efforts, vous réussirez." This inversion highlights the importance of the condition itself. Another critical aspect is the distinction between à condition que and à condition de. Use à condition que when the subjects of the two clauses are different (e.g., I will go if you come). Use à condition de when the subjects are the same (e.g., I will go if I have time). In the latter case, the phrase is followed by an infinitive: "Je viendrai à condition d'avoir le temps." This distinction is vital for natural-sounding French. When using the subjunctive, remember that common irregular verbs like être (sois, soit), avoir (aie, ait), faire (fasse), and aller (aille) are frequently used after this phrase. Mastery of these forms is essential. Additionally, the phrase can be used in the negative: "Je viendrai à condition que tu ne sois pas en retard." This adds another layer of complexity but follows the same grammatical rules. By practicing these structures, learners can effectively communicate requirements and dependencies in a wide variety of situations, from casual plans to professional agreements.

Structure 1

[Main Clause] + à condition que + [Subject] + [Subjunctive Verb]

Structure 2 (Same Subject)

[Main Clause] + à condition de + [Infinitive Verb]

Inverted Structure

À condition que + [Subjunctive Clause], + [Main Clause]

In summary, the key to using à condition que is the mastery of the subjunctive mood and the logical separation of the condition from the result. It is a precise tool for expressing dependency and is indispensable for clear communication in French.

The phrase à condition que is ubiquitous in French life, appearing in a wide range of social and professional settings. You will hear it frequently in parental negotiations, where it serves as a tool for discipline and reward. For example, a parent might say, "Tu peux regarder la télé à condition que tu finisses ta soupe." This usage is very common in households across France, establishing clear boundaries for children. In the workplace, à condition que is a staple of professional communication. It is used during meetings to set terms for projects or during salary negotiations. A manager might state, "Nous lancerons le projet à condition que le client valide le budget." This ensures that all parties understand the prerequisites for moving forward. Legal and administrative contexts also rely heavily on this phrase. Contracts, terms of service, and official agreements use à condition que to specify the conditions under which a contract is valid or an action is permitted. For instance, a lease agreement might state that a tenant can have a pet à condition que celui-ci ne cause pas de nuisances. In the news and political discourse, you will hear commentators and politicians using it to discuss international treaties or legislative changes. They might say, "La loi sera votée à condition que les amendements soient acceptés." This highlights the conditional nature of political progress. Even in casual social settings among friends, the phrase is used to make plans. If a group is deciding where to go for dinner, someone might say, "Je viens avec vous à condition qu'on aille dans un restaurant italien." This allows individuals to express their preferences as conditions for their participation. The phrase is also common in French literature and cinema, where it often marks a turning point in a story or a crucial agreement between characters. Because it is so versatile, it is one of those phrases that you will encounter daily if you live in a French-speaking environment. Whether it's on the radio, in a newspaper, or in a conversation at a café, à condition que is a fundamental part of the linguistic landscape. Understanding its usage in these various contexts will help you navigate French society more effectively and communicate your own requirements with clarity and precision.

Common Context: Parenting

Used to set rules and rewards: 'Tu peux sortir à condition que tu rentres avant minuit.'

Common Context: Business

Used in negotiations and project planning: 'Le contrat sera signé à condition que les délais soient respectés.'

Common Context: Legal

Used to define contractual obligations: 'La vente est conclue à condition que l'acheteur obtienne son prêt.'

Overall, the frequency and variety of its use make à condition que a vital component of both formal and informal French communication.

One of the most frequent mistakes learners make with à condition que is failing to use the subjunctive mood. Because the English equivalent "provided that" or "on condition that" is often followed by a simple present or future tense, English speakers naturally want to use the indicative in French. For example, saying "Je viendrai à condition que tu viens" is incorrect; it must be "Je viendrai à condition que tu viennes." This error is common even among advanced learners because the subjunctive can be counter-intuitive. Another frequent error is confusing à condition que with à condition de. As mentioned earlier, à condition de is used when the subject of both verbs is the same. Using à condition que in this scenario (e.g., "Je partirai à condition que je finisse") sounds awkward and repetitive to native speakers. The correct form would be "Je partirai à condition de finir." A third mistake involves the word order or the omission of "que". Some learners might say "à condition tu sois là," forgetting the essential "que" that connects the two clauses. The "que" is not optional; it is the grammatical link that triggers the subjunctive. Additionally, learners sometimes confuse à condition que with other conditional phrases like au cas où. While à condition que expresses a prerequisite, au cas où (in case) expresses a precaution and is followed by the conditional mood, not the subjunctive. For example, "Je prends mon parapluie au cas où il pleuvrait" vs "Je sortirai à condition qu'il ne pleuve pas." Confusing these two can change the entire meaning of your sentence. Finally, some learners over-formalize their speech by using à condition que in situations where a simple "si" would suffice. While not grammatically incorrect, using such a strong phrase for a trivial matter can sound a bit stiff. However, it's generally better to be overly precise than ambiguous. By paying close attention to these common pitfalls—the subjunctive mood, the same-subject rule, the presence of "que", and the distinction from other conditional phrases—you can use à condition que with the confidence and accuracy of a native speaker.

Mistake 1: Wrong Mood

Using indicative instead of subjunctive. Incorrect: '...à condition qu'il pleut.' Correct: '...à condition qu'il pleuve.'

Mistake 2: Subject Redundancy

Using 'que' when the subject is the same. Incorrect: 'Je mange à condition que je sois seul.' Correct: 'Je mange à condition d'être seul.'

Mistake 3: Mixing Conjunctions

Confusing with 'au cas où' (which takes the conditional). 'Au cas où' is for precautions; 'à condition que' is for requirements.

Avoiding these mistakes will significantly improve your grammatical accuracy and make your French sound much more natural and professional.

French offers several alternatives to à condition que, each with its own nuance and register. The most common alternative is pourvu que. While pourvu que also takes the subjunctive and means "provided that," it often carries a sense of hope or a strong wish. For example, "Pourvu qu'il fasse beau !" (Let's hope the weather is nice!) is a common expression. In a conditional sense, "Je viendrai pourvu que tu sois là" is very similar to "à condition que," but perhaps slightly more literary or focused on the desire for the condition to be met. Another alternative is du moment que. This phrase is more informal and can be translated as "as long as." It often takes the indicative mood, which makes it easier to use for many learners. For instance, "Du moment que tu es heureux, ça me va" (As long as you are happy, it's fine with me). It implies that the condition is currently met or easily satisfied. For a more formal or legal register, one might use sous réserve que. This is often translated as "subject to" or "provided that" and is frequently found in official documents or professional agreements. Like à condition que, it takes the subjunctive. For example, "L'accord est valide sous réserve que les fonds soient transférés." Then there is the simple si (if). While si is the most basic way to express a condition, it lacks the specific "strict requirement" nuance of à condition que. Si is also followed by the indicative (except in very specific literary cases). Another phrase to consider is moyennant quoi, which is very formal and means "in exchange for which" or "whereby." It is much less common in daily speech. Finally, en admettant que and en supposant que mean "assuming that" or "supposing that." These also take the subjunctive but focus on a hypothetical premise rather than a mandatory condition. Understanding these differences allows a speaker to choose the most appropriate phrase for the context and the desired level of formality. Whether you want to express a hope (pourvu que), a casual requirement (du moment que), or a strict legal condition (sous réserve que), knowing these alternatives will enrich your French vocabulary and improve your communicative range.

Alternative 1: Pourvu que

Similar to 'à condition que' but often adds a nuance of hope. Requires subjunctive.

Alternative 2: Du moment que

More informal, means 'as long as'. Usually takes the indicative.

Alternative 3: Sous réserve que

Very formal/legal. Means 'subject to'. Requires subjunctive.

By mastering these synonyms, you can tailor your message to the exact tone and nuance you wish to convey in any French-speaking environment.