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Japanese verb役に立たない (yakunitatanai) Conjugation
役に立たない (yakunitatanai) means “of no avail, useless”. It is a い-adjective verb. It is an い-adjective: the final い changes, so 役に立たなくない, 役に立たなかった, 役に立たなくて. Below is its conjugation in all 14 forms, plain and polite, the same forms the Japanese verb conjugation worksheets print in their answer keys.
- Meaning
- of no avail, useless
- Type
- い-adjective
- Dictionary form
- 役に立たない
- Reading
- やくにたたない
- Romaji
- yakunitatanai
- Negative
- 役に立たなくない
- Past
- 役に立たなかった
- Te-form
- 役に立たなくて
- Adverb
- 役に立たなく
Basic forms
Present現在形・辞書形
| Plain | 役に立たない |
|---|---|
| Plain negative | 役に立たなくない |
| Polite | 役に立たないです |
| Polite negative | 役に立たなくないです |
Past過去形・た形
| Plain | 役に立たなかった |
|---|---|
| Plain negative | 役に立たなくなかった |
| Polite | 役に立たなかったです |
| Polite negative | 役に立たなくなかったです |
Te-formて形
| Plain | 役に立たなくて |
|---|---|
| Plain negative | 役に立たなくなくて |
Can and if
Conditional (-ba)仮定形・ば
| Plain | 役に立たなければ |
|---|---|
| Plain negative | 役に立たなくなければ |
Conditional (-tara)たら
| Plain | 役に立たなかったら |
|---|---|
| Plain negative | 役に立たなくなかったら |
Adjectives
Adverb (adjectives)連用形
| Adverb | 役に立たなく |
|---|
More common Japanese verbs and adjectives
- 向かう (mukau)to face
- 別れる (wakareru)to part, to part from, to part with
- 荒らげる (ararageru)to roughen, to raise
- 取り決める (torikimeru)to agree, to decide upon, to enter into
- 見入る (miiru)to gaze, to stare intently, to look fixedly
- 怒鳴り込む (donarikomu)to storm in with a yell
- 押し込む (oshikomu)to push into, to cram into, to stuff into
- 懐かしい (natsukashii)dear, fondly remembered, beloved
- 手ごわい (tegowai)difficult, tough, formidable
- 真新しい (maatarashii)brand new
- 親しい (shitashii)close, familiar, friendly
- 辛い (karai)spicy, hot
About these tables
The forms are built from Wiktionary's conjugation tables, and they are the ones the Japanese verb conjugation worksheet generator prints, so a chart or answer key made there matches this page. That page explains how the forms were checked.
Print this verb chart opens 役に立たない (yakunitatanai) on the worksheet preview with every form filled in, ready to print on A4 or US Letter or save as PDF. To practice it with other verbs and adjectives, the generator also makes blank conjugation boxes and quick quizzes with answer keys. To practice online instead, the Japanese verb conjugation quiz marks each form as you type it.
Verbs, adjectives and their meanings come from JMdict, the property of the Electronic Dictionary Research and Development Group, used in conformance with the Group's licence. The forms are built by the standard rules, with the irregular ones written out.