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Japanese verb沸かす (wakasu) Conjugation
沸かす (wakasu) means “to boil, to heat, to prepare”. It is a う-verb (godan) verb. It is an う-verb (godan): the last sound changes, 沸かさない and 沸かします, and the te-form is 沸かして. 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 boil, to heat, to prepare
- Type
- う-verb (godan)
- Dictionary form
- 沸かす
- Reading
- わかす
- Romaji
- wakasu
- Masu form
- 沸かします
- Nai form
- 沸かさない
- Te-form
- 沸かして
- Ta form
- 沸かした
Basic forms
Present現在形・辞書形
| Plain | 沸かす |
|---|---|
| Plain negative | 沸かさない |
| Polite | 沸かします |
| Polite negative | 沸かしません |
Past過去形・た形
| Plain | 沸かした |
|---|---|
| Plain negative | 沸かさなかった |
| Polite | 沸かしました |
| Polite negative | 沸かしませんでした |
Te-formて形
| Plain | 沸かして |
|---|---|
| Plain negative | 沸かさないで |
Progressive (-te iru)ている
| Plain | 沸かしている |
|---|---|
| Plain negative | 沸かしていない |
| Polite | 沸かしています |
| Polite negative | 沸かしていません |
Wanting, inviting, telling
Want to (-tai)たい形
| Plain | 沸かしたい |
|---|---|
| Plain negative | 沸かしたくない |
| Polite | 沸かしたいです |
| Polite negative | 沸かしたくないです |
Volitional意向形
| Plain | 沸かそう |
|---|---|
| Polite | 沸かしましょう |
Imperative and requests命令形
| Plain command | 沸かせ |
|---|---|
| Plain negative (don't) | 沸かすな |
| Polite request (-te kudasai) | 沸かしてください |
| Polite negative (-naide kudasai) | 沸かさないでください |
Can and if
Potential可能形
| Plain | 沸かせる |
|---|---|
| Plain negative | 沸かせない |
| Polite | 沸かせます |
| Polite negative | 沸かせません |
Conditional (-ba)仮定形・ば
| Plain | 沸かせば |
|---|---|
| Plain negative | 沸かさなければ |
Conditional (-tara)たら
| Plain | 沸かしたら |
|---|---|
| Plain negative | 沸かさなかったら |
Passive and causative
Passive受身形
| Plain | 沸かされる |
|---|---|
| Plain negative | 沸かされない |
| Polite | 沸かされます |
| Polite negative | 沸かされません |
Causative使役形
| Plain | 沸かさせる |
|---|---|
| Plain negative | 沸かさせない |
| Polite | 沸かさせます |
| Polite negative | 沸かさせません |
Causative passive使役受身形
| Plain | 沸かさせられる |
|---|---|
| Plain negative | 沸かさせられない |
| Polite | 沸かさせられます |
| Polite negative | 沸かさせられません |
More common Japanese verbs and adjectives
- 待ち望む (machinozomu)to wait eagerly for, to look forward to
- 定まる (sadamaru)to become settled, to be fixed
- 投げ出す (nagedasu)to throw down, to throw out, to stretch out
- 踏ん張る (funbaru)to brace one's legs
- 悲しむ (kanashimu)to be sad, to mourn for, to regret
- 飛び交う (tobikau)to fly about, to flutter about, to flit about
- 暴れる (abareru)to act violently, to rage, to struggle
- 戻す (modosu)to put back, to return, to give back
- 役に立つ (yakunitatsu)to be helpful, to be useful
- 預かる (azukaru)to look after, to take care of, to keep
- 揺さぶる (yusaburu)to shake, to jolt, to rock
- 立ち寄る (tachiyoru)to drop by, to stop by, to drop in
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 沸かす (wakasu) 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.