Grammar Rule in 30 Seconds
Use 'for instance' and its synonyms to provide specific evidence, varying your vocabulary to maintain academic flow and precision.
- Use 'for instance' to introduce a specific case that supports a general statement (e.g., 'Many cities, for instance, London, face congestion').
- Place 'for instance' at the start, middle, or end of a clause for stylistic variety.
- Distinguish between 'for instance' (specific events) and 'such as' (listing items within a category).
Overview
for instance のような「談話標識（discourse markers）」の使いこなしです。for instance は、先行する一般的な記述や抽象的な主張を具体化し、裏付けとなる「特定の事例」を導入するための洗練された表現です。日本語の「例えば」に相当しますが、上級レベルでは for example との微細なニュアンスの違いや、文脈に応じた配置のバリエーションをマスターする必要があります。for instance が重要なのでしょうか。それは、抽象的な議論に終始せず、具体的な「ケース・スタディ」を提示することで、あなたの主張に「厚み」と「信頼性」が生まれるからです。ビジネスのプレゼンテーションや学術的なエッセイにおいて、for instance を適切に配置できる能力は、あなたの論理的思考力の高さを象徴します。この解説では、日本人が陥りやすい落とし穴に触れながら、ネイティブスピーカーのような自然で力強い使いこなし方を徹底的に掘り下げていきます。How This Grammar Works
for instance は「副詞句（adverbial phrase）」として機能し、主に文と文、あるいは節と節をつなぐ「文接続詞的」な役割を果たします。しかし、and や but のような純粋な接続詞とは異なり、文中の配置に柔軟性があるのが特徴です。for instance は文の中間に挿入したり、文末に置いたりすることで、情報の強調度合いやリズムを調整することができます。これは、語順によって情報の重みをコントロールする英語特有の性質です。for instance の核心的な機能は、抽象から具体への「論理的な橋渡し」です。言語学的には「例証（exemplification）」と呼ばれます。日本語では「具体的には」や「一例を挙げますと」といった表現に近いニュアンスを持ちますが、for instance は特に「数ある可能性の中から、代表的な一つの事例（instance）をピックアップした」という感覚を強く含みます。語源を辿ると、instance はラテン語の「近くに立っているもの（instantia）」に由来しており、目の前にある具体的な事実を指し示すニュアンスがあるのです。
Formation Pattern
for instance の活用において最も重要なのは「句読点（punctuation）」の扱いです。日本人の学習者が最もミスをしやすいポイントでもあります。配置場所によって、カンマやセミコロンの使い方が変わるため、以下のパターンを確実に覚えましょう。
Many sustainable energy sources are becoming more affordable. For instance, the cost of solar panels has plummeted over the last decade.
for instance を前後からカンマで挟みます（挿入句扱い）。
Large corporations, for instance, Toyota and Sony, have a significant influence on the national economy.
The new policy has some flaws; for instance, it doesn't account for remote workers' expenses.
You could try a different approach to improve your health, by taking up swimming, for instance.
. (終止符) | , (カンマ) | 明確な論理展開の切り替え |
, (カンマ) | , (カンマ) | 自然な流れの中での補足 |
; (セミコロン) | , (カンマ) | 前後の文の密接な論理結合 |
, (カンマ) | . (終止符) | 軽い提案や付け足し |
When To Use It
for example と for instance をどう使い分けるべきでしょうか。基本的には交換可能ですが、以下のシチュエーションでは for instance がより効果を発揮します。- 1特定の「事例（Case）」や「状況」を詳細に説明する場合
for instance は適しています。ビジネスシーンで「ある特定の顧客のケース」を話す際などは、for instance がしっくりきます。Customer loyalty is not guaranteed. For instance, a long-time client might switch to a competitor simply due to a single poor customer service experience.
- 1議論に説得力を持たせる「証拠」を提示する場合
for example よりも「実例に基づいた分析」という知的で重厚な響きを与えます。- 1文体のバリエーション（Stylistic Variety）を出す場合
for example を何度も繰り返すと、語彙力が乏しい印象を与えてしまいます。特に長文のエッセイやレポートでは、for example と for instance を交互に、あるいは戦略的に使い分けることで、文章のリズムを整え、読者を飽きさせない工夫が求められます。- 1「仮に〜だとしたら」というシミュレーションを提示する場合
We need to consider potential risks. For instance, what would happen if the supply chain were disrupted for a month?
Common Mistakes
- ミス1：カンマの欠如（The Missing Comma）
For instance の後には、文頭にある場合、必ずカンマが必要です。これがないと、読者はどこまでが導入句でどこからが主文なのかを瞬時に判別できず、読解のリズムが崩れます。- 誤：
For instance solar energy is sustainable. - 正：
For instance, solar energy is sustainable.
- ミス2：
such asとの混同（Confusion with 'such as'）
for instance は文をつなぐ副詞句ですが、such as は前置詞のように機能し、名詞の直後に置いてリストを作ります。日本人はどちらも「例えば」と訳してしまうため、以下のような誤用が目立ちます。- 誤：
I like citrus fruits for instance oranges and lemons. - 正：
I like citrus fruits, such as oranges and lemons. - 正：
I like citrus fruits. For instance, I eat oranges and lemons every morning.
for instance を名詞のリストの直前に置く場合は、必ずカンマで挟む必要がありますが、基本的には文を分けるか such as を使うのが自然です。- ミス3：文頭への過度な依存（Over-reliance on Sentence-Initial Position）
For instance, ... で始まりがちです。上級者であれば、文の中間に挿入する（例：The project, for instance, failed because...）テクニックを使い、文構造に多様性を持たせましょう。これにより、文が単調になるのを防げます。Contrast With Similar Patterns
For example | 最も一般的。リストの提示から状況の説明まで万能。 | 例えば |For instance | ややフォーマル。特定の「事例」「ケース」に焦点を当てる。 | 具体的な一例を挙げると |Such as | 名詞の直後に置き、具体的な種類を列挙する。 | 〜といった、〜のような |Namely | 「すなわち」。例を挙げるのではなく、先行する語を具体的に特定する。 | つまり、具体的には（限定的） |Specifically | 「特に」「厳密に言うと」。詳細をさらに絞り込む。 | 特に、具体的に言うと |To illustrate | 「例証すると」。図解するように分かりやすく説明する。 | 例を挙げて説明すると |namely との使い分けには注意してください。for instance は「たくさんある中の一つ」を挙げますが、namely は「（それしかない、あるいは特定の）〜を指す」というニュアンスです。I have a problem with one colleague, namely, John.（ジョンという特定の人物を指している）I have problems with some colleagues. For instance, John often misses deadlines.（ジョンは数ある問題の中の一例）
Quick FAQ
for example と for instance に明確な意味の違いはありますか？現代英語では、ほぼ100%交換可能です。ただし、語源的に instance は「事例・事実」を指すため、具体的な出来事やケースを語る際には for instance が好まれる傾向があります。一方、図表や理論上の例を挙げる際は for example が一般的です。
for instance を使っても失礼ではありませんか？全く問題ありません。むしろ、非常にプロフェッショナルで論理的な印象を与えます。ただし、略語の e.g. は、フォーマルな文章の「文中（カッコ内など）」でのみ使用し、文頭で E.g., ... と書くのは避けましょう。その場合は For instance, ... と綴るのが正解です。
for instance は、どのような時に使いますか？主に、相手に何かを提案したり、会話の中で「例えば〜なんてどう？」と軽く例を付け加えたりする時に使います。文頭に置くよりも押し付けがましくなく、自然な響きになります。
We could go to a museum, for instance.（例えば、美術館に行くっていうのもアリだね。）
for instance を文の中で2回以上使ってもいいですか？同じ段落内で何度も繰り返すのは避けましょう。For example、To illustrate、Specifically などの類義語を散らして使うのが、C1レベルにふさわしいライティングスキルです。文章の「語彙の多様性（Lexical Diversity）」を意識してください。
Positioning and Punctuation of 'For Instance'
| Position | Structure | Example | Punctuation Rule |
|---|---|---|---|
|
Sentence Starter
|
For instance, [Sentence].
|
For instance, the price of gold rose.
|
Always followed by a comma.
|
|
Mid-Sentence (Parenthetical)
|
[Subject], for instance, [Verb].
|
Gold, for instance, is a safe investment.
|
Enclosed in two commas.
|
|
Clause Connector
|
[Clause]; for instance, [Clause].
|
The market is up; for instance, tech stocks rose.
|
Semicolon before, comma after.
|
|
Sentence Ender
|
[Sentence]—[Noun], for instance.
|
Look at precious metals—gold, for instance.
|
Preceded by a dash or comma.
|
Common Abbreviations for Examples
| Abbreviation | Full Latin Term | English Meaning | Usage Note |
|---|---|---|---|
|
e.g.
|
exempli gratia
|
for example
|
Used in parentheses or informal writing.
|
|
i.e.
|
id est
|
that is / in other words
|
Used for clarification, not examples.
|
|
viz.
|
videlicet
|
namely / specifically
|
Used to list all items in a group.
|
Meanings
The primary function of these connectors is to introduce a specific instance or a concrete case that clarifies, supports, or proves a preceding general claim or abstract concept.
Specific Case Introduction
Introducing a single, detailed event or situation that serves as a representative sample of a broader trend.
“Many species are adapting to urban environments; for instance, red foxes are now common in London suburbs.”
“The policy has some loopholes; for instance, it doesn't account for part-time contractors.”
Evidence in Argumentation
Using an example as a rhetorical device to strengthen a persuasive point or academic thesis.
“To illustrate the severity of the crisis, consider the 40% drop in local manufacturing.”
“A case in point is the 2008 financial crash, which demonstrated the dangers of unregulated lending.”
Parenthetical Clarification
Inserting an example mid-sentence to clarify a noun or phrase without breaking the grammatical flow.
“Certain dietary habits, for instance, the high consumption of processed sugars, are linked to chronic fatigue.”
“Large-scale infrastructure projects—for instance, the High Speed 2 rail link—often exceed their initial budgets.”
Reference Table
| フレーズ | 機能 | 配置 | フォーマルさ | ニュアンス |
|---|---|---|---|---|
|
For instance
|
一つの具体的で説明的な例を導入します。
|
柔軟（文頭、文中、文末）；通常カンマで区切ります。
|
中程度〜フォーマル
|
特定の事例を強調します。
|
|
For example
|
一つまたは複数の例を導入します。
|
柔軟（文頭、文中、文末）；通常カンマで区切ります。
|
ニュートラル〜中程度
|
一般的な説明の用語です。
|
|
Such as
|
節内で網羅的ではない例のリストを導入します。
|
文中、不可欠な場合はカンマ不要です。
|
ニュートラル
|
「これらのように」という意味合いです。
|
|
Like
|
「such as」のインフォーマルな代替表現です。
|
文中、通常カンマ不要です。
|
インフォーマル
|
カジュアルな比較や例示です。
|
|
Namely
|
直前に言及されたものを具体的に指定します（しばしば網羅的）。
|
通常文中、カンマまたはセミコロンの後に置きます。
|
中程度〜フォーマル
|
特定の名を挙げて明確にします。
|
|
e.g.
|
ラテン語で「for example」を意味します（*exempli gratia*）。
|
括弧内または文中。
|
フォーマル／学術的
|
一つまたは複数の短い例に用いられます。
|
|
To illustrate
|
点を実証する例を導入します。
|
通常文頭またはセミコロンの後。
|
フォーマル
|
説明的な性質を強調します。
|
|
Case in point
|
非常に強力で関連性の高い例を導入します。
|
通常文頭またはセミコロンの後。
|
中程度〜フォーマル
|
決定的な例を提示します。
|
フォーマル度スペクトル
To illustrate the efficacy of our strategy, one might look at the Q3 results. (Business meeting)
Our strategy worked well; for instance, sales increased by 20% in Q3. (Business meeting)
The plan was great—take the Q3 sales, for instance. (Business meeting)
It worked like a charm. Case in point: Q3 sales were huge. (Business meeting)
例を挙げる方法
フォーマル／具体的
- For instance 具体的な例を導入する
- Namely 項目を具体的に指定する
- e.g. for exampleの略
一般的／ニュートラル
- For example 一般的な例の導入
- To illustrate 実演を提示する
インフォーマル／リスト
- Such as 網羅的ではないリストを導入する
- Like such asのカジュアルな代替
「For Instance」 vs. 「For Example」
「For instance」を使うべき？
一般的な発言を裏付ける必要がありますか？
一つだけの、非常に説明的な事例を導入していますか？
文脈は学術的、専門的、またはややフォーマルですか？
「For instance」を使う文脈
学術論文
- • エッセイ
- • 研究論文
- • プレゼンテーション
ビジネス環境
- • レポート
- • メール
- • 会議
- • 面接
思慮深い議論
- • 議論
- • 説明
- • 明確化
現代の日常
- • ソーシャルメディアのキャプション
- • Vlogのスクリプト
- • ポッドキャストの議論
レベル別の例文
I like fruit, for example, apples.
I like fruit, for example, apples.
He has many cars. For example, a red car.
He has many cars. For example, a red car.
I play sports like tennis.
I play sports like tennis.
She visits many countries, for example, France.
She visits many countries, for example, France.
You can buy many things here, for example, bread and milk.
You can buy many things here, for example, bread and milk.
I have some problems. For example, my car is broken.
I have some problems. For example, my car is broken.
We study many subjects, such as math and history.
We study many subjects, such as math and history.
He likes cold weather, for example, snow.
He likes cold weather, for example, snow.
Some people, for instance, my brother, don't like coffee.
Some people, for instance, my brother, don't like coffee.
There are many ways to save money; for instance, you can cook at home.
There are many ways to save money; for instance, you can cook at home.
The city has many parks, for example, Central Park.
The city has many parks, for example, Central Park.
You should bring warm clothes, such as a jacket and a scarf.
You should bring warm clothes, such as a jacket and a scarf.
The economy is struggling; for instance, unemployment has risen by 2%.
The economy is struggling; for instance, unemployment has risen by 2%.
To illustrate my point, let's look at the sales figures from last year.
To illustrate my point, let's look at the sales figures from last year.
Many European cities—for instance, Amsterdam—are very bike-friendly.
Many European cities—for instance, Amsterdam—are very bike-friendly.
The software has several bugs, specifically in the login module.
The software has several bugs, specifically in the login module.
The legal system is often slow; a case in point is the three-year delay in the Smith trial.
The legal system is often slow; a case in point is the three-year delay in the Smith trial.
The author uses various motifs, notably the recurring image of the labyrinth.
The author uses various motifs, notably the recurring image of the labyrinth.
Technological advancement, as evidenced by the rise of AI, is reshaping the job market.
Technological advancement, as evidenced by the rise of AI, is reshaping the job market.
The project failed for several reasons, chief among which was the lack of funding.
The project failed for several reasons, chief among which was the lack of funding.
One might cite the decline of the Roman Empire as a quintessential example of overextension.
One might cite the decline of the Roman Empire as a quintessential example of overextension.
The nuances of the dialect are many, witness the subtle shift in vowel length in the northern regions.
The nuances of the dialect are many, witness the subtle shift in vowel length in the northern regions.
The policy has broad implications, not least of which is the potential for increased social mobility.
The policy has broad implications, not least of which is the potential for increased social mobility.
To name but a few, the collection includes works by Picasso, Dali, and Miró.
To name but a few, the collection includes works by Picasso, Dali, and Miró.
間違えやすい
Learners think they have different meanings.
Learners use 'i.e.' to give examples.
Learners start sentences with 'Such as'.
よくある間違い
I like fruit such as for example apples.
I like fruit, for example, apples.
I like sports for example tennis.
I like sports, for example, tennis.
For example I am happy.
For example, I am happy.
I like like apples.
I like apples.
He is tall such as his father.
He is tall like his father.
I have many hobbies. Such as tennis.
I have many hobbies, such as tennis.
I like fruit for instance apples.
I like fruit; for instance, apples.
I like fruit, for instance, I eat apples.
I like fruit; for instance, I eat apples.
The city is big, i.e., London.
The city is big, for instance, London.
For instance of this, we can see...
As an instance of this, we can see...
A case in point being the 2020 pandemic.
A case in point is the 2020 pandemic.
The results were notably, the increase in sales.
The results were notable, specifically the increase in sales.
To illustrate, the following example.
To illustrate, consider the following example.
He is talented, for instance, he plays piano.
He is talented; for instance, he plays piano.
文型パターン
Many ___, for instance, ___, are ___.
___; for instance, ___.
To illustrate this point, consider ___.
I like ___, such as ___ and ___.
Real World Usage
The theory of relativity has many applications; for instance, it is crucial for GPS technology.
I am a problem solver; for instance, I once fixed a major bug in under an hour.
We should go out! Like, to that new pizza place?
We need to update our security; for instance, we should implement two-factor authentication.
I want to see the sights—the Eiffel Tower, for instance.
Life is full of surprises. Case in point: I just won the lottery!
表現を使い分けてみましょう
カンマの使い方は要注意！
明確さを追求するために
for instance to ensure full comprehension.」状況が肝心
議論を強化する
時には「少ない方が良い」
for instance for when you want to add a bit more emphasis or detail to your illustration.」Smart Tips
Replace the second one with 'for instance' or 'specifically' to improve your writing flow.
Use 'To illustrate this point,' at the start of a new sentence.
Use 'such as' instead of 'for instance' to keep the sentence compact.
Use 'notably' or 'chief among which'.
発音
Stress on 'instance'
The first syllable of 'instance' is stressed: /ˈɪn.stəns/.
Linking 'for'
In natural speech, 'for' is often reduced to /fər/ and links to the 'i' in 'instance'.
Parenthetical Dip
My brother, (low pitch) for instance, (normal pitch) hates cheese.
The pitch drops slightly during the connector to show it is extra information.
暗記しよう
記憶術
F.I.S.H.: For Instance, Shows How. Use it to swim from a general idea to a specific detail.
視覚的連想
Imagine a large umbrella (the general statement) and a single person standing under it holding a specific item like a red balloon (the instance). The connector is the handle connecting the two.
Rhyme
When a general point is made, use 'for instance' to provide some aid.
Story
A detective is explaining a crime. He says, 'The thief was clumsy.' (General). Then he points to a muddy footprint: 'For instance, he left this trail.' (Specific). The connector is his pointing finger.
Word Web
チャレンジ
Write three sentences about your favorite hobby. In the first, use 'for instance' at the start. In the second, use it in the middle. In the third, use 'to illustrate'.
文化メモ
British speakers often use 'for instance' more frequently in formal speech than Americans, who might lean towards 'for example'.
In Western academic writing, providing specific instances is mandatory to avoid being seen as 'vague' or 'unsubstantiated'.
Using 'case in point' is a power move in presentations to show you have hard data to back up your claims.
The word 'instance' comes from the Old French 'instance' and Latin 'instantia', meaning 'presence' or 'urgency'.
会話のきっかけ
What are some challenges of living in a big city?
How has technology changed your daily routine?
Do you think the education system needs reform?
What are the benefits of learning a second language?
日記のテーマ
よくある間違い
Test Yourself
Many students find remote learning challenging___ for instance___ managing their time effectively is key.
正しい文を選びましょう:
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
英語に翻訳しましょう: 'El aprendizaje de idiomas requiere mucha práctica; por ejemplo, hablar con nativos es esencial.'
Answer starts with: ["L...
Score: /4
練習問題
8 exercisesThe company is facing financial difficulties; ________, they have closed three branches.
Find and fix the mistake:
I love citrus fruits for instance oranges and lemons.
To ________ the impact of the new law, let us examine the case of small businesses.
Connect the following:
I enjoy outdoor activities such as hiking.
You can start a sentence with 'Such as'.
A: We need to save money. B: I agree. ________, we could stop eating out.
Like, For instance, To illustrate
Score: /8
Practice Bank
12 exercisesMany apps offer personalized learning experiences___ for instance___ Duolingo adapts lessons to your progress.
The meeting was productive for instance we finalized the budget.
正しい文はどれですか？
英語に翻訳しましょう: 'Necesitamos abordar el problema; por ejemplo, podríamos implementar un nuevo protocolo.'
これらの単語を並べ替えて文にしましょう:
発言と例を組み合わせましょう:
Some animals have incredible camouflage abilities; _______, the chameleon can change its skin color to blend in perfectly.
The project requires careful planning for instance, budgeting is a major concern.
正しい文はどれですか？
英語に翻訳しましょう: 'Para que un negocio sea exitoso, por ejemplo, debe tener una estrategia de marketing sólida.'
これらの単語を並べ替えて文にしましょう:
課題と例を組み合わせましょう:
Score: /12
よくある質問 (8)
They are almost identical. However, `for instance` is often used for a specific event or action, while `for example` is used for a general list of items.
Yes! It's very common in spoken English. For example: 'We could go to the park, for instance.'
It is always the singular `for instance` when used as a connector, even if you are giving multiple examples.
Yes, if it starts a sentence or follows a semicolon, always use a comma after it.
It stands for the Latin `exempli gratia`, which means 'for the sake of example'. It is the written abbreviation for 'for example'.
It's better to avoid it. Use `for instance`, `such as`, or `to illustrate` instead to sound more professional.
It is a more formal and emphatic way to say 'here is a perfect example that proves my point'.
Not necessarily, but they have different grammatical roles. `Such as` is used for lists within a sentence, while `for instance` is a connector.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Por ejemplo / Verbigracia
Spanish punctuation is slightly more flexible with commas before examples.
Par exemple / Notamment
French often uses 'notamment' where English might prefer 'for instance' in academic texts.
Zum Beispiel / Beispielsweise
German often places the connector at the very end of the sentence more naturally than English.
例えば (Tatoeba) / など (Nado)
Japanese uses particles like 'nado' after the noun, whereas English uses connectors before the noun.
على سبيل المثال (Ala sabil al-mithal)
Arabic often uses a 'wa' (and) before the phrase even at the start of a sentence.
例如 (Lìrú) / 比如 (Bǐfú)
Chinese often uses a colon after the connector: '例如：苹果'.
Learning Path
Prerequisites
関連動画
Related Grammar Rules
対立するアイデア: 'Conversely' と 'By Contrast' の使用
### Overview B2レベルの学習者、特に複雑な議論を展開し、正確で洗練された表現を目指す皆さんにとって、「`conversely`」と「...
強調と訂正のための「As a Matter of Fact」の使用法
Overview 本当は専門家なのに、誰かに初心者だと思われたことはありませんか？ 例えば、友達があなたは辛い食べ物が嫌いだと思...
要約する: 'In Sum' & 'To Recapitulate'
### Overview 英語学習の階段を上り詰め、C1レベル（上級）に到達した皆さんが次に目指すべきは、単に「意味が通じる」ことでは...
Conjunctions: And, But, Or, So, Because
## Conjunctions: And, But, Or, So, Because Conjunctions are **joining words** that connect two ideas. ### And — adds i...
考えを順序立てる：それから、次に、最後に (Then, Next, Finally)
Overview WhatsAppで友達に最高の焼きチーズサンドイッチの作り方を説明しようとして、結局焦げたパンができてしまったことはあ...
