JLPT N4Grammar
~てしまう
end up ~ing, completely ~, unfortunately ~
Intermediate
10-15 min
very common
Expert Reviewed
Explanation
Indicates completion of an action, often with regret or that it happened accidentally.
Formation
[Verb て-form] + しまう
Examples
ケーキを全部食べてしまった。
Keeki wo zenbu tabete shimatta.
I ended up eating all the cake.
電車に乗り遅れてしまいました。
Densha ni noriokurete shimaimashita.
I unfortunately missed the train.
Common Mistakes to Avoid
Casual form is ~ちゃう/~じゃう.
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