Learning objectives
- Lesson goals: Learn てしまう for complete actions and expressing regret about something irreversible.
- Form and connection: [Verb te-form] しまう
- Nuance in real use: てしまう captures a quality of time — some things once done cannot be undone. Whether completion or regret, it marks those "it's already happened" moments.
Form and connection
Core Explanation
Learn てしまう for complete actions and expressing regret about something irreversible.
Cultural Note
Practical examples
Common pitfalls
Build the base form before adding the pattern
Complete the required conjugation first. Do not keep polite and plain endings at the same time.
Match politeness to the situation
The examples are reliable starting points; relationships and context can still change the most natural wording.
Practice and answers
Show answer
[Verb te-form] しまうShow answer
I finished all my homework.Show answer
電車でんしゃに乗のり遅おくれてしまいました。 ([Verb te-form] しまう)Continue learning
Te Miru: Try Doing
Learn てみる for "try doing something to see what happens." This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.
Te Aru: Resulting State
Learn てある for a state that exists as the result of an intentional action. This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.
Complete Guide to Plain Forms: Linking Ideas, Quotations, and Judgments
Learn the plain forms of nouns, adjectives, and verbs and use them to modify nouns, quote speech, express time and reasons, state plans, make judgments, and build indirect questions.