Japanese JLPT Grammar Point
~となれば (〜to nareba)

~となれば (〜to nareba)

Short explanation:

Expresses the idea of 'if it comes to...; when we talk about...; in the case of...'.

Formation:

Verb-casual + となれば, い-Adjective + となれば,な-Adjective + だとなれば, Noun + だとなれば

Examples:

彼がリーダーとなれば、プロジェクトは成功するでしょう。
Kare ga riidaa to nareba, purojekuto wa seikou suru deshou.
If he becomes the leader, the project will probably succeed.
明日が雨だとなれば、ピクニックをキャンセルしましょう。
Ashita ga ame da to nareba, pikunikku wo kyanseru shimashou.
If it turns out to be raining tomorrow, let's cancel the picnic.
この仕事が終わったとなれば、休暇を取ることができます。
Kono shigoto ga owatta to nareba, kyuuka wo toru koto ga dekimasu.
If this job is over, you can take a vacation.
そのテストが難しいとなれば、より一層勉強しなければならない。
Sono tesuto ga muzukashii to nareba, yori issou benkyou shinakereba naranai.
If that test is difficult, we must study all the more.

Long explanation:

The ~となれば grammar point is used to express a situation where a particular case or condition brings about a certain result or consequence. It translates as 'if it comes to...; when we talk about...; in the case of...' in English.

Detailed Grammar notes:

Processing keyword: ~となれば (〜to nareba)

Japanese Grammar Point: ~となれば (〜to nareba)

Japanese Grammar Point: ~となれば (〜to nareba)

1. Introduction

The grammar point ~となれば (〜to nareba) is a conditional expression used to indicate "if it becomes" or "if it is the case that." It's often used to express a change in circumstances that leads to an outcome or to convey a sense of readiness or inevitability regarding a certain situation.

2. Core Grammar Explanation

Detailed Explanation

  • Meaning: The phrase signifies a conditional situation—usually one that is based on the premise that something has changed or will change, leading to a consequence or realization.

  • Structure:

    • It is formed using the noun or verb (often in non-past form) before となれば, indicating the condition.
    • The verb before the expression can be in its dictionary form or in the た-form, but this depends on the context.

Formation Diagram

[Condition (Noun/Verb)] + となれば → [Outcome/Result]

Visual Aid Example

Condition Expression Outcome
勉強すること となれば 合格できる
(If you study) (You can pass)
それが事実なら となれば 私たちは行きます
(If that is the case) (We will go)

3. Comparative Analysis

Similar Grammar Points

  • ~たら (〜tara): This also expresses a conditional state. However, ~たら is more versatile and can be used in a wider variety of situations, while ~となれば is more specific to conditions resulting from a state change.
  • ~ば (〜ba): A more formal conditional than ~となれば, but it generally refers to general truths rather than changes in circumstances.

Differences

Grammar Point Use Case Example
となれば Assuming a change or a situation 彼が来るとなれば、嬉しいです。
たら General condition or hypothetical 彼が来たら、嬉しいです。
General truth or consistent result 彼が来れば、嬉しいです。

4. Examples in Context

Sentence Examples

  1. Formal Context:
    • もし時間があるとなれば、会議に出席します。
      • (If there is time, I will attend the meeting.)
  2. Informal Context:
    • 彼女が来るとなれば、パーティーはもっと楽しくなるよ。
      • (If she comes, the party will be more fun.)
  3. Written Context:
    • この問題が解決するとなれば、プロジェクトは成功するでしょう。
      • (If this problem is resolved, the project will likely succeed.)
  4. Spoken Context:
    • 明日晴れるとなれば、ピクニックに行こう!
      • (If it’s sunny tomorrow, let’s go on a picnic!)

5. Cultural Notes

Cultural Relevance

  • The expression is often used in formal discussions or when making logical conclusions in conversations. It reflects the Japanese tendency to carefully consider conditions before asserting outcomes.

Levels of Politeness

  • While ~となれば is generally neutral, awareness of context and the recipient's status can affect the formality of the expression used.

Idiomatic Expressions

  • 成人となれば、責任が伴う。
    • (When you become an adult, responsibility comes with it.)

6. Common Mistakes and Tips

Error Analysis

  • Mixing conditional forms: A common mistake is to use ~となれば incorrectly in conjunction with other conditional expressions, leading to awkward or unclear sentences.

Learning Strategies

  • Mnemonic Device: To remember the use of となれば, think of "take notice of when things change." Relating this phrase to significant life changes can help solidify its meaning and usage.

7. Summary and Review

Key Takeaways

  • The expression ~となれば is a conditional phrase meaning "if it becomes" or "if it is the case that."
  • It implies a change in circumstance leading to a certain condition or outcome.
  • Be cautious about using appropriate conditional grammar depending on the context.

Quick Recap Quiz

  1. What does ~となれば mean in English?
  2. Compare ~となれば with one other conditional form.
  3. Provide a sentence using ~となれば in an informal context.

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