JLPT N4 Grammar (te shimau / chau)


to do something by accident, to finish completely

How to use

Verb (て form)しまう
Verb (て form)ちゃう
Verb (で form)じゃう
te shimau chau てしまう ちゃう jlpt n4 grammar meaning 文法 例文 japanese flashcards

Learn Japanese grammar: (te shimau) & (chau). Meaning: to do something by accident, to finish completely.

This may in some cases also express regret, but not always.

てしまう (te shimau)

This is the standard version:

  • てしまう = to do by accident / to finish
  • てしまった = did by accident / finished
  • てしまいました = did by accident / finished (more formal)

ちゃう/じゃう (chau / jau)

This is the more casual version, which instead uses a verb’s stem form:

  • ちゃう = to do by accident / to finish (casual)
  • ちゃった = did by accident / finished (casual)

NOTE: If the verb’s dictionary form ends with ぶ (bu) , む (mu) , ぬ (nu) or ぐ (gu), it becomes じゃう (jau) or じゃった (jatta).

  • じゃう = to do by accident / to finish (casual)
  • じゃった = did by accident / finished (casual)

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- Example Sentences

Each example sentence includes a Japanese hint, the romaji reading, and the English translation.

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Example #1

shigoto wa zenbu owatte shimai mashita.
I've finished with all of my work.
Example #2

tsukare ga deta node, nechatta.
I was tired and so I fell asleep.
Example #3

pasupooto o nakushite shimai mashita.
I've lost my passport..
Example #4

kanji no shukudai wa mou yatte shimai mashita.
I've already finished my kanji homework.
Example #5

ashita made ni shukudai o shichaimasu.
I will finish my homework by tomorrow.
Example #6

gomen! juusu o zenbu nonjatta!
Sorry, I drank all the juice!
Example #7

hiru gohan made ni repooto o kaite shimai mashita.
I finished writing the report by lunch.
Example #8

ani wa keeki o tabete shimai mashita.
My brother ate the cake..
Example #9

shippai suru no o ki ni shitara, machigai naku shippai shite shimau.
If we think of failure, we will certainly fail.

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