【N3】~てしまう/~te shimau/ do something completely

~てしまう do something completely

 How to make” do something completely, show regret.” in Japanese.

    • ・ Meaning : do something completely. to regret
    • ・ JLPT Level: N3
    • ・ Category: grammar

You can use “~てしまう ” when you want to say “do something completely, to regret”.

1: do something completely, finish doing something, have finished doing completely.
2: sense of regret , to my regret.

The patterns is below:

てform+しまう

※contracted form:

~てしまう → ~ちゃう/~ちゃった

~でしまう → ~じゃう/~じゃった

 Examples of sentence

宿題をやってしまいました。
I have finished doing homework.

ケン君が好きだったんですが結婚してしまいました。
I loved ken but regrettably he got married.

鍵をなくしちゃった。
I’ve lost my key.

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