Meaning & Usage
The grammar pattern ともなれば (tomo nareba) is an advanced N1 expression. It indicates that when a particular situation, status, or condition is met, a significant outcome, responsibility, or expectation naturally arises. This pattern highlights a critical point where certain consequences become either unavoidable or highly probable. Essentially, it conveys the idea of "if it comes to that point," "once it reaches this stage," or "when one becomes something significant," then something specific naturally follows.
This expression suggests an inherent inevitability or a general truth, especially when an elevated or significant condition is met. Unlike simpler conditional forms such as ～たら or ～なら, ともなれば often conveys a greater sense of importance or formality regarding the preceding condition. It implies that a specific standard, rule, or characteristic is intrinsic to that state. For example, if someone attains a high position, the associated responsibilities naturally follow.
Consider ともなれば as marking a threshold. Once a person or situation crosses this threshold (meaning the condition is met), certain outcomes or truths become a natural consequence. This threshold signifies a noteworthy transition, accomplishment, or a state of considerable influence. Therefore, it's particularly suited for discussing societal roles, professional statuses, major life events, or widely accepted truths tied to specific conditions. While sometimes translated simply as "if," it carries a far stronger sense of natural consequence and and often adopts a more formal or academic tone than other conditional expressions.
This pattern is commonly employed in written language, formal speeches, or serious discussions. Speakers use it to emphasize the gravity or the inherent outcome of a specific status or situation. Conversely, it is less common in casual everyday conversation, where simpler, more direct conditional forms are generally favored.
Structure & Formation
The structure for ともなれば (tomo nareba) is quite straightforward. It attaches to the plain form of verbs and adjectives, and directly to nouns. This indicates that a natural consequence will follow once the condition in the preceding clause is fulfilled.
- Noun + ともなれば
- Verb (dictionary form) + ともなれば
- い-Adjective (plain form) + ともなれば
- な-Adjective + だ / である + ともなれば
While grammatically permissible to attach ともなれば directly to い-adjectives and な-adjectives, it often sounds more natural with a transformation. For い-adjectives, this can be an adverbial form (e.g., い-adjective + くなるともなれば). For な-adjectives, adding a copula (だ/である) emphasizes the 'becoming' aspect of the condition. Nevertheless, direct attachment using the plain form is also valid, particularly when expressing a general truth about that state.
| Part of Speech | Formation | Example |
|---|---|---|
| Noun | Noun + ともなれば | 社長ともなれば |
| Verb | Verb (dictionary form) + ともなれば | 成功するともなれば |
| い-Adjective | い-Adjective (plain form) + ともなれば | 忙しいともなれば |
| な-Adjective | な-Adjective + だ / である + ともなれば | 有名であるともなれば |
Example Sentences
General Usage
子供が成人ともなれば、自分のことは自分で決めるべきだ。
Kodomo ga seijin tomo nareba, jibun no koto wa jibun de kimeru beki da.
Once a child becomes an adult, they should decide things for themselves.
一流企業の社員ともなれば、振る舞いにも責任が伴う。
Ichiryū kigyō no shain tomo nareba, furumai ni mo sekinin ga tomonau.
As an employee of a top-tier company, one's behavior naturally comes with responsibility.
人気アイドルともなれば、行動には細心の注意が必要だ。
Ninki aidoru tomo nareba, kōdō ni wa saishin no chūi ga hitsuyō da.
When one becomes a popular idol, extreme caution is necessary in all actions.
Implying Natural Consequences
彼が部長ともなれば、会議のやり方も変わるだろう。
Kare ga buchō tomo nareba, kaigi no yarikata mo kawaru darō.
If he becomes department head, the way meetings are run will likely change.
一人前の料理人ともなれば、素早く料理を作ることができる。
Ichininmae no ryōrinin tomo nareba, subayaku ryōri o tsukuru koto ga dekiru.
Once someone is a full-fledged chef, they can quickly prepare dishes.
海外旅行ともなれば、様々な準備が必要になる。
Kaigai ryokō tomo nareba, samazamana junbi ga hitsuyō ni naru.
Overseas travel necessitates various preparations.
Regarding Significance or Importance
国家の代表ともなれば、その発言には重みが増す。
Kokka no daihyō tomo nareba, sono hatsugen ni wa omomi ga masu.
As a national representative, the weight of their statements increases.
大学の教授ともなれば、研究だけでなく教育にも力を入れるべきだ。
Daigaku no kyōju tomo nareba, kenkyū dake de naku kyōiku ni mo chikara o ireru beki da.
As a university professor, one should dedicate effort not only to research but also to education.
引退ともなれば、悠々自適な生活を送りたいものだ。
Intai tomo nareba, yūyū jiteki na seikatsu o okuritai mono da.
When retirement arrives, one would ideally want to lead a carefree life.
When a Condition is Met
大会の決勝ともなれば、応援にも熱が入る。
Taikai no kesshō tomo nareba, ōen ni mo netsu ga hairu.
When it's the tournament final, the cheering becomes especially enthusiastic.
予算がここまで厳しいともなれば、計画を見直すしかない。
Yosan ga koko made kibishii tomo nareba, keikaku o minaosu shika nai.
If the budget becomes this tight, we have no choice but to review the plan.
日本の夏ともなれば、毎晩花火大会があると錯覚するほどだ。
Nihon no natsu tomo nareba, maiban hanabi taikai ga aru to sakkaku suru hodo da.
Japanese summer is so distinct that it almost makes you believe there are fireworks festivals every night.
長年の研究で得られた結論ともなれば、その信憑性は高い。
Naganen no kenkyū de erareta ketsuron tomo nareba, sono shinpyōsei wa takai.
A conclusion derived from many years of research naturally carries high credibility.
Common Mistakes
Mistake 1: Overusing in casual conversation
ともなれば carries a relatively formal and often weighty nuance. Using it in everyday, casual conversations can sound unnatural or overly dramatic. For simple relationships or common situations, simpler conditional forms like ～なら or ～であれば are more appropriate and natural. Reserve ともなれば for conditions that usher in significant changes or responsibilities.
❌ 友達ともなれば、気兼ねなく話せる。
✅ 友達なら、気兼ねなく話せる。
For simple relationships or common situations, simpler conditional forms like ～なら or ～であれば are more appropriate and natural. ともなれば is reserved for conditions that bring about significant changes or responsibilities.
Mistake 2: Using for simple, direct conditions without significant consequence
ともなれば implies that a condition leads to a notable, often general, or inherent consequence. It is not suitable for straightforward cause-and-effect scenarios that lack this sense of significance or universality. For instance, bringing an umbrella when it rains is a direct, simple action, not a significant consequence linked to a critical state. Use ～なら or ～たら for such practical conditionals.
❌ 雨が降るともなれば、傘を持っていく。
✅ 雨が降るなら、傘を持っていく。
Bringing an umbrella when it rains is a direct, simple action, not a significant consequence linked to a critical state. Use ～なら or ～たら for such practical conditionals.
Mistake 3: Confusing with purely hypothetical "if" conditions
While ともなれば can be translated as "if," it strongly implies that a state has been reached or is in the process of being reached, and that natural consequences follow. It is not typically used for purely hypothetical or unlikely "if" scenarios. For purely hypothetical or speculative "if" statements, forms like ～たら, ～ば, or ～なら are more appropriate. ともなれば suggests a more certain or generally accepted outcome when the condition is met.
❌ もし宝くじが当たるともなれば、世界一周旅行に行く。
✅ もし宝くじが当たったら、世界一周旅行に行く。
For purely hypothetical or speculative "if" statements, forms like ～たら, ～ば, or ～なら are more appropriate. ともなれば suggests a more certain or generally accepted outcome when the condition is met.
Mistake 4: Incorrect conjugation before ともなれば
Ensure that the word preceding ともなれば is in its plain form (dictionary form for verbs, plain present for adjectives, or directly attached to nouns/な-adjectives with copula). Using past tense or other conjugations can sound unnatural or incorrect. The plain form of the noun (社長) directly connected with ともなれば, or a plain present verb (社長になる) is generally preferred to express the general condition of being a president. The past tense 「なった」 implies a specific event, which doesn't align with the general truth or consequence implied by ともなれば.
❌ 彼は社長になったともなれば、忙しいだろう。
✅ 彼が社長ともなれば、忙しいだろう。
The plain form of the noun (社長) directly connected with ともなれば, or a plain present verb (社長になる) is generally preferred to express the general condition of being a president. The past tense 「なった」 implies a specific event, which doesn't align with the general truth or consequence implied by ともなれば.
Cultural Notes
In Japanese society, ともなれば often appears in discussions about established roles, hierarchies, and societal expectations. It implicitly recognizes the weight and responsibilities that come with specific statuses or achievements. For instance, when talking about someone who has attained a high position in a company or government, or reached a certain age or milestone, this grammar pattern is used to describe the duties or characteristics naturally associated with that status.
This pattern reflects a culture that frequently emphasizes collective responsibility and a natural order. When a situation reaches a particular point—whether it's a person's age, position, or a societal event—certain consequences or behaviors are understood. ともなれば effectively communicates this understanding, presenting the outcome as an inherent truth rather than explicitly stating a command or obligation.
You will frequently encounter ともなれば in formal documents, news reports, academic papers, and speeches. It lends a sense of authority and objectivity to the statement, presenting the outcome as a widely accepted truth rather than a personal opinion. Its use subtly reinforces the idea that certain standards apply once one enters a particular sphere or reaches a specific level.
JLPT Tips
For the JLPT N1 exam, mastering ともなれば requires not just understanding its basic meaning, but also its nuanced usage, particularly in comparison with similar conditional expressions. Here are some tips:
First, recognize its formality. ともなれば is a relatively formal expression, often found in written texts, speeches, or discussions that demand a serious or objective tone. In contrast, simpler conditional forms like ～たら, ～なら, or ～と are common in everyday conversation.
Second, focus on the nuance of "natural consequence" or "inevitable outcome." The condition preceding ともなれば is usually a significant state, status, or event, and the following clause describes an outcome that is generally accepted or expected to occur once that condition is met. It’s not merely a hypothetical "if," but rather a statement about what naturally accompanies a particular state.
Third, pay close attention to the context. This grammar point is frequently used when discussing roles, responsibilities, significant life stages, achievements, or critical events. For example, sentences about becoming a professional, a leader, or reaching a certain age often employ ともなれば to highlight the duties or expectations associated with that status.
Fourth, remember that ともなれば implies a generally accepted truth or a strong expectation that accompanies the stated condition. It suggests that the outcome is not arbitrary but rather a logical and often unavoidable result of the preceding state. This allows for the sophisticated expression of cause and effect.
Finally, practice distinguishing ともなれば from other N1 conditional and consequential grammar points. While some might seem similar, paying attention to the formality, the emphasis on natural/inevitable consequence, and the type of condition (often significant or general) will help you correctly identify and use this pattern in the exam.