JLPT N16 min readUpdated May 18, 2026Grammar pattern

こととてkoto tote“because; since”

Use こととて when you want to explain that something happened (or will happen) because of a certain situation, with an undertone of “it can’t be helped” or “I hope you’ll understand.” It’s a formal, slightly old-fashioned way of saying “since.

Meaning
because; since
Pattern
こととて
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JLPT grammar
JLPT
N1

こととて means because; since ~. It is a JLPT N1 Japanese grammar pattern used to state a reason, often in formal or apologetic contexts, implying that the result is unavoidable given the situation.

This grammar point frequently appears in formal letters, business apologies, and JLPT N1 reading comprehension. If you want to give a polite reason for an outcome, especially when asking for understanding, こととて is a useful pattern to learn because it adds a measured, respectful tone to your Japanese.

What does こととて mean?

Use こととて when you want to explain that something happened (or will happen) because of a certain situation, with an undertone of “it can’t be helped” or “I hope you’ll understand.” It’s a formal, slightly old-fashioned way of saying “since.”

Natural translations include:

  • because; since; owing to; due to the fact that ~

Try to notice the writer’s or speaker’s purpose first, then choose the English phrase that fits that context.

How to form こととて

V(plain) + こととて
い-Adj(plain) + こととて
な-Adj + な + こととて
Noun + の + こととて

Examples of the pattern:

  • 知ら(しら)なかったこととて
  • 忙しい(いそがしい)こととて
  • 突然(とつぜん)のこととて

When is こととて used?

Use こととて in situations like:

  • making a formal apology or excuse (especially in letters or official announcements)
  • explaining an unavoidable shortcoming or mistake
  • humbly asking for understanding, often in set phrases like “不慣れ(ふなれ)なこととて” or “若輩(じゃくはい)のこととて”

Tone and register:

  • formal, somewhat literary or old-fashioned
  • more common in written language than casual speech
  • frequent in JLPT N1 reading passages and formal expressions

こととて example sentences

不慣(ふな)れなこととて、不行届(ふゆきとど)きの点(てん)もあったかと存(ぞん)じます。
As I am still inexperienced, there may have been some shortcomings. (formal apology)
formalapologywritten
突然(とつぜん)のこととて、ご出席(しゅっせき)いただけませんよね。
Since this is so sudden, I’m sure you won’t be able to attend.
politeexplanation
年(とし)が年(とし)なこととて、無理(むり)はできません。
Because I’m getting on in years, I can’t push myself too hard.
humblepersonal
知(し)らなかったこととて、ご迷惑(めいわく)をおかけしました。
As I was unaware, I caused you trouble. (I’m sorry)
apologywritten
忙(いそが)しいこととて、まだお返事(へんじ)ができておりません。
Since I’ve been so busy, I haven’t been able to reply yet. (please excuse me)
formalapology
若造(わかぞう)のこととて、失礼(しつれい)があったらお許(ゆる)しください。
As I am still young, please forgive me if I am rude.
humbleapology

After reading each sentence, ask what job こととて is doing: stating a reason while humbly asking for understanding.

Nuance of こととて

The key nuance is a reason given in a formal, sometimes apologetic, tone, often implying the outcome was unavoidable.

A pattern may look simple, but it can signal the writer’s attitude, the scope of a rule, or the relationship between two ideas.

For example:

  • In a business email, “不慣れ(ふなれ)なこととて” sounds far more polished and respectful than a simple “慣れ(なれ)ていないから”.
  • It almost always appears in explanations where the speaker wants to soften criticism or excuse a failure.
  • Compared with から or ので, it carries a heavier, more deferential weight.

こととて vs ことだから

こととて
because of the situation; since it’s the case (formal, often apologetic)
Used when explaining an outcome that stems from a circumstance, often to excuse a shortcoming. Formal letters, apologies, and written requests.
忙(いそが)しいこととて、ご連絡(れんらく)が遅(おく)れました。
Since I’ve been busy, my reply is late (I apologize).
ことだから
knowing the person/situation as we do; because it’s typical of ~
Used when the reason is based on the known character, trait, or typical behavior of someone. More conversational than こととて.
彼(かれ)のことだから、また忘(わす)れてるよ。
Knowing him, he’s probably forgotten again.

Quick contrast:

  • こととて focuses on the circumstance (“since it’s been busy…” → apology).
  • ことだから focuses on the person (“knowing her…” → prediction or excuse).

Is the sentence formal or casual? Is the reason an external situation or an inner character trait?

Common mistakes with こととて

Watch out for these mistakes:

  • Using it in casual conversation — it sounds overly stiff and can come across as sarcastic or unnatural.
  • Translating it simply as “because” without the apologetic nuance, missing the humble tone.
  • Forgetting the の with nouns (saying “忙しい(いそがしい)こととて” is fine, but “突然(とつぜん)こととて” is wrong; it must be “突然(とつぜん)のこととて”).
  • Treating it as a direct replacement for から in any sentence; without the excuse/understanding context, it feels forced.
❌
雨(あめ)が降(ふ)っていることとて、傘(かさ)を持(も)っていこう。
✅
雨(あめ)が降(ふ)っているから、傘(かさ)を持(も)っていこう。
Simple factual reason — no need for the formal, apologetic tone of こととて. から is natural.
❌
昨日(きのう)こととて、休(やす)みました。
✅
昨日(きのう)は当日(とうじつ)のこととて、急(きゅう)に休(やす)むことになりました。
Nouns need の before こととて. The corrected version embeds the reason in a situation.

A helpful practice method is to write one sentence with こととて, then rewrite it with から and ので. Ask yourself why you would choose the formal version — that clarifies the register.

Is こととて on the JLPT?

N1

Yes. こととて is commonly taught as JLPT N1 grammar.

  • ✅ Recognized in formal reading passages
  • ✅ Tested on its nuance (apology, excuse) and formation
  • ✅ Often appears in the grammar section as a formal option among synonyms

Expect questions that ask you to select the most appropriate pattern for a business letter or a humble explanation. Look for surrounding words like 不慣れ(ふなれ), 若輩(じゃくはい), 突然(とつぜん), or polite endings (~ます、~ございます).

Practice questions for こととて

1
Write a formal apology using こととて for replying late to a client’s email (use 忙しい(いそがしい)).
formation
2
Explain to a teacher that you didn’t prepare the handouts because you were a beginner. Use こととて.
nuance
3
Read a short formal letter excerpt, then explain why こととて was chosen over から. What feeling does it add?
comparison
4
Create a sentence with こととて and then rewrite it with ことだから. What changes in meaning?
contrast

Learning path for こととて

To learn こととて efficiently, start with its formation, then compare it with similar patterns, and finally practice in context.

1
Make sure you can form こととて correctly after verbs, adjectives, and nouns-with-の without looking at the pattern chart. Drill common collocations like 不慣れ(ふなれ)なこととて, 若輩(じゃくはい)のこととて, 突然(とつぜん)のこととて.
2
Compare it with ことだから. Write 5 sentences where only one of the two works, and articulate why — is the reason a circumstance or a character trait?
3
Read the formal apology examples in the post aloud. Note the rhythm: humble phrase + こととて + apology/request for understanding. This helps internalize the written register.
4
Write a short formal email (e.g., asking a professor for a deadline extension) using こととて in at least one key sentence. Then check whether substituting one of the related patterns below changes the nuance.

Learn こととて with Hane

If you want to review こととて together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

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FAQ about こととて

What does こととて (koto tote) mean in Japanese?

こととて (koto tote) means “because; since”. It is JLPT N1 grammar. Use こととて when you want to explain that something happened (or will happen) because of a certain situation, with an undertone of “it can’t be helped” or “I hope you’ll understand.” It’s a formal, slightly old-fashioned way of saying “since.

How do you form こととて (koto tote)?

V(plain) + こととて い-Adj(plain) + こととて な-Adj + な + こととて Noun + の + こととて

What is the difference between こととて and ことだから?

こととて: because of the situation; since it’s the case (formal, often apologetic). ことだから: knowing the person/situation as we do; because it’s typical of ~.

What is an example sentence with こととて (koto tote)?

不慣れなこととて、不行届きの点もあったかと存じます。 — As I am still inexperienced, there may have been some shortcomings. (formal apology)

Practice this with Hane
Drill こととて until it’s automatic.

Short, focused iOS sessions for grammar, kanji, vocabulary, reading, and JLPT review. Use this lesson with the JLPT prep app and the Japanese learning app overview.

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