introduction

〜てしまう①
Reading: てしまう
Meanings: to do ~ and finish it
Explanation
explanation
*てしまう* (completion) attaches to the `て-form` of a `verb` and expresses that an action is **completely finished**. It emphasizes that something has been done **thoroughly** or **to the end**.
explanation
This usage carries a sense of **accomplishment** — the action is fully done. Compare with *てしまう②*, which focuses on regret.
structure
Practice exercises
usage_japanese
試験の準備を{placeholder}。
Answer: おわらせてしまった
usage_japanese
締め切りまでに報告書を{placeholder}。
Answer: しあげてしまった
usage_japanese
宿題を全部やっ{placeholder}。
Answer: てしまった
usage_japanese
この本を読ん{placeholder}。
Answer: でしまった
usage_japanese
全部食べ{placeholder}。
Answer: てしまった
usage_japanese
宿題を{placeholder}。
Answer: してしまった
usage_japanese
レポートを{placeholder}。
Answer: かいてしまった
usage_japanese
ピザを全部{placeholder}。
Answer: たべてしまった