JLPT N4 grammar

〜てしまう/ちゃう

〜てしまう/ちゃう means to end up doing; to do completely. It is a JLPT N4 grammar point. This attaches to the te-form of a verb and shows that something is finished completely. It can also express regret when something unwanted happens. 「ちゃう」 is a casual form of 「てしまう」.

Japanese sources describe it as 「全部する、または残念な気持ちを表す」.

〜てしまう/ちゃう examples

宿題を全部してしまいました。

I finished all my homework.

大切な紙をなくしちゃいました。

I ended up losing an important paper.

〜てしまう/ちゃう exercises

Pick what belongs in the parentheses. The answer is marked below.

  1. かぎを家に忘れ( )。

    • ています
    • てしまいました ✓
    • てあります
    • てみました

    I ended up leaving my key at home.

  2. ケーキを全部食べ( )。

    • ておきました
    • ています
    • ちゃいました ✓
    • てください

    I ate all the cake.

Learn this pattern by using it

JpMaster places N4 grammar between vocabulary lessons and drills it with fill-in-the-blank and sentence ordering. Free to use.

Start your first lesson

See the full JLPT N4 grammar list