だす (To suddenly begin)

To suddenly begin, To start doing

JLPT N4
Pattern

Verb (ます-stem) + だす

How it works

ます-stem + だす means something suddenly starts: 泣きだす (burst into tears), 雨がふりだす (it starts pouring). It suggests the start was unexpected, unlike はじめる.

Examples

  • 子どもが きゅうに 泣きだした。The child suddenly burst into tears.
  • 雨が ふりだしました。It started raining.

Related grammar

Further reading

Bunpro N4 · Lesson 4

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