N3 · Structured courses

Ta Totan: The Moment

Right after one action, something unexpected happens. This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.

12 minNihongo Hub Editorial TeamPublished 2026-06-06Updated 2026-06-06

Learning objectives

  • Lesson goals: Right after one action, something unexpected happens.
  • Form and connection: [Verb ta-form] とたん(に)
  • Nuance in real use: Marks dramatic turning points—you just finished an action, and the world responds unexpectedly.

Form and connection

[Verb ta-form] とたん(に)

Core Explanation

Right after one action, something unexpected happens.

Cultural Note

Marks dramatic turning points—you just finished an action, and the world responds unexpectedly.

Practical examples

The moment I left the house, it started raining.
The moment I sat down, the chair broke.
The moment I hung up, it rang again.

Common pitfalls

Build the base form before adding the pattern

Complete the required conjugation first. Do not keep polite and plain endings at the same time.

Match politeness to the situation

The examples are reliable starting points; relationships and context can still change the most natural wording.

Practice and answers

1. Write the connection formula for this lesson.
Show answer[Verb ta-form] とたん(に)
2. Explain the meaning of the first example.
Show answerThe moment I left the house, it started raining.
3. Rewrite the final example using this lesson pattern.
Show answer電話でんわを切きったとたん、また鳴なった。 ([Verb ta-form] とたん(に))

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