JLPT N26 min readUpdated May 2, 2026Grammar pattern

も当然だmo touzen da“it's only natural; no wonder; might as well”

Use も当然だ(もとうぜんだ) when you want to express that a situation or outcome is entirely expected, justified, and natural given the circumstances.

Meaning
it's only natural; no wonder; might as well
Pattern
も当然だ
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JLPT grammar
JLPT
N2

も当然だ(もとうぜんだ) means it’s only natural; no wonder; might as well ~. It is a JLPT N2 Japanese grammar pattern used to express that a situation or outcome is entirely expected, justified, and natural given the circumstances.

This grammar point often appears in essays, formal writing, conversations, and JLPT N2 reading passages. If you want to express that a situation or outcome is entirely expected, justified, and natural given the circumstances, も当然だ(もとうぜんだ) is a useful pattern to learn because it adds natural precision to your Japanese.

What does も当然だ(もとうぜんだ) mean?

Use も当然だ(もとうぜんだ) when you want to express that a situation or outcome is entirely expected, justified, and natural given the circumstances.

Natural translations include:

  • it’s only natural; no wonder; might as well ~

How to form も当然だ(もとうぜんだ)

Verb/い-adj (plain form) + のも当然だ / Noun + も当然だ

Examples of the pattern:

  • 怒るのも当然だ
  • 成功するのも当然だ

When is も当然だ(もとうぜんだ) used?

Use も当然だ(もとうぜんだ) in situations like:

  • a reaction or result is completely natural and expected

Tone and register:

  • neutral; affirming that something makes perfect sense
  • Common in test questions, essays, daily conversation, and JLPT N2 reading

も当然だ(もとうぜんだ) example sentences

  • 彼があんなに怒るのも当然だ。 — No wonder he got so angry.
  • 毎日練習すれば、上手になるのも当然だ。 — If you practice every day, it’s only natural that you’ll get better.
  • こんなにサービスが良ければ、人気があるのも当然だ。 — With service this good, no wonder it’s popular.
  • あれだけ勉強したのだから、合格したのも当然だ。 — He studied that hard, so it’s only natural that he passed.
  • 彼が自慢するのも当然だ。 — It’s only natural that he’s bragging about it.

After reading each sentence, ask what job も当然だ(もとうぜんだ) is doing: a situation or outcome is entirely expected, justified, and natural given the circumstances.

Nuance of も当然だ(もとうぜんだ)

The key nuance is a situation or outcome is entirely expected, justified, and natural given the circumstances.

For example:

  • In context, it carries a specific, nuanced meaning that a simpler pattern would not convey.
  • Compared with のも無理はない, it carries a different weight and implication.

も当然だ(もとうぜんだ) vs のも無理はない

も当然だ(もとうぜんだ):

  • a situation or outcome is entirely expected, justified, and natural given the circumstances

のも無理はない:

  • it’s no wonder (softer, more sympathetic)

Quick contrast examples:

  • 怒るのも当然だ。
  • 怒るのも無理はない。

Common mistakes with も当然だ(もとうぜんだ)

Watch out for these mistakes:

  • Translating it too literally without understanding the nuance
  • Using it in contexts where the situation doesn’t match the grammar’s core meaning
  • Confusing it with similar-looking but different grammar patterns

A helpful practice method is to write one sentence with も当然だ(もとうぜんだ), then rewrite it with のも無理はない. If the meaning or tone changes, explain that difference in your own words.

Is も当然だ(もとうぜんだ) on the JLPT?

Yes. も当然だ(もとうぜんだ) is commonly taught as JLPT N2 grammar.

That means learners should be able to:

  • recognize it in reading
  • understand its nuance in context
  • use it in simple original sentences

Practice questions for も当然だ(もとうぜんだ)

  • Use も当然だ(もとうぜんだ) in a sentence about a personal experience or observation.
  • Write a sentence where the nuance of も当然だ(もとうぜんだ) is necessary.
  • Compare も当然だ(もとうぜんだ) with のも無理はない in your own example.

Learning path for も当然だ(もとうぜんだ)

To learn も当然だ(もとうぜんだ) efficiently, start with its formation, then compare it with similar patterns, and finally practice in context.

  1. First, make sure you can form も当然だ(もとうぜんだ) without looking at the pattern chart.
  2. Next, compare it with のも無理はない.
  3. Finally, write sentences where も当然だ(もとうぜんだ) is necessary; then check whether replacing it with one of the related patterns below changes the meaning.

Learn も当然だ(もとうぜんだ) with Hane

If you want to review も当然だ(もとうぜんだ) together with the related patterns above, Hane helps you practice Japanese in short, focused sessions.

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FAQ about も当然だ

What does も当然だ (mo touzen da) mean in Japanese?

も当然だ (mo touzen da) means “it's only natural; no wonder; might as well”. It is JLPT N2 grammar. Use も当然だ(もとうぜんだ) when you want to express that a situation or outcome is entirely expected, justified, and natural given the circumstances.

How do you form も当然だ (mo touzen da)?

Verb/い-adj (plain form) + のも当然だ / Noun + も当然だ

What is the difference between も当然だ and のも無理はない?

も当然だ(もとうぜんだ): a situation or outcome is entirely expected, justified, and natural given the circumstances. のも無理はない: it's no wonder (softer, more sympathetic).

What is an example sentence with も当然だ (mo touzen da)?

彼があんなに怒るのも当然だ。 — No wonder he got so angry.

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