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Japanese verb起こす (okosu) Conjugation
起こす (okosu) means “to raise, to raise up, to set up”. It is a う-verb (godan) verb. It is an う-verb (godan): the last sound changes, 起こさない and 起こします, and the te-form is 起こして. 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
- to raise, to raise up, to set up
- Type
- う-verb (godan)
- Dictionary form
- 起こす
- Reading
- おこす
- Romaji
- okosu
- Masu form
- 起こします
- Nai form
- 起こさない
- Te-form
- 起こして
- Ta form
- 起こした
Basic forms
Present現在形・辞書形
| Plain | 起こす |
|---|---|
| Plain negative | 起こさない |
| Polite | 起こします |
| Polite negative | 起こしません |
Past過去形・た形
| Plain | 起こした |
|---|---|
| Plain negative | 起こさなかった |
| Polite | 起こしました |
| Polite negative | 起こしませんでした |
Te-formて形
| Plain | 起こして |
|---|---|
| Plain negative | 起こさないで |
Progressive (-te iru)ている
| Plain | 起こしている |
|---|---|
| Plain negative | 起こしていない |
| Polite | 起こしています |
| Polite negative | 起こしていません |
Wanting, inviting, telling
Want to (-tai)たい形
| Plain | 起こしたい |
|---|---|
| Plain negative | 起こしたくない |
| Polite | 起こしたいです |
| Polite negative | 起こしたくないです |
Volitional意向形
| Plain | 起こそう |
|---|---|
| Polite | 起こしましょう |
Imperative and requests命令形
| Plain command | 起こせ |
|---|---|
| Plain negative (don't) | 起こすな |
| Polite request (-te kudasai) | 起こしてください |
| Polite negative (-naide kudasai) | 起こさないでください |
Can and if
Potential可能形
| Plain | 起こせる |
|---|---|
| Plain negative | 起こせない |
| Polite | 起こせます |
| Polite negative | 起こせません |
Conditional (-ba)仮定形・ば
| Plain | 起こせば |
|---|---|
| Plain negative | 起こさなければ |
Conditional (-tara)たら
| Plain | 起こしたら |
|---|---|
| Plain negative | 起こさなかったら |
Passive and causative
Passive受身形
| Plain | 起こされる |
|---|---|
| Plain negative | 起こされない |
| Polite | 起こされます |
| Polite negative | 起こされません |
Causative使役形
| Plain | 起こさせる |
|---|---|
| Plain negative | 起こさせない |
| Polite | 起こさせます |
| Polite negative | 起こさせません |
Causative passive使役受身形
| Plain | 起こさせられる |
|---|---|
| Plain negative | 起こさせられない |
| Polite | 起こさせられます |
| Polite negative | 起こさせられません |
More common Japanese verbs and adjectives
- 膨れる (fukureru)to swell, to expand, to be inflated
- 見つめる (mitsumeru)to stare, to gaze, to look hard
- 競り合う (seriau)to struggle for, to compete with, to vie with
- 取りまとめる (torimatomeru)to collect, to gather, to compile
- 扱う (atsukau)to deal with, to treat, to handle
- 移す (utsusu)to transfer, to change, to move
- 見当たる (miataru)to be found
- 止まる (tomaru)to stop, to come to a stop
- 取り残す (torinokosu)to leave behind
- 上がる (agaru)to rise, to go up, to come up
- 振り返る (furikaeru)to turn one's head
- 狙う (nerau)to aim at
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 起こす (okosu) 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.