壊す
こわす
to break, to break down
Kowasu (壊す) is a godan verb meaning "to break, to break down". Its polite form is 壊します (kowashimasu), its te form is 壊して (kowashite), its past form is 壊した (kowashita), and its negative form is 壊さない (kowasanai).
Godan verbJLPT N4
Kowasu (壊す) conjugation quick reference
壊す means "to break, to break down". Its main forms are listed below, with links to the grammar pattern behind each form.
Kowasu example sentences
He broke my new camera.
Please, don't break this toy.
She is afraid of breaking her heart.
How to use Kowasu: grammar notes
•壊す is an action you do to something, so use the particle を before it — for example, テレビを壊した means "I broke the TV."
•Be careful not to mix up 壊す (to break something) with 壊れる (something breaks on its own); use 壊す when you're the one doing the breaking.
•When talking about who broke something, you can say [Person]が[Object]を壊した — for example, ジョンがドアを壊した means "John broke the door."
•JLPT N4 level
Common phrases with Kowasu
おもちゃを壊す（おもちゃをこわす）
to break a toy
約束を壊す（やくそくをこわす）
to break a promise
雰囲気を壊す（ふんいきをこわす）
to ruin the mood / to spoil the atmosphere
Kowasu (壊す) conjugation table
| Form | Japanese | Romaji |
|---|---|---|
| Basic Forms | ||
| Dictionary Form | 壊す | kowasu |
| Masu Form | 壊します | kowashimasu |
| Te Form | 壊して | kowashite |
| Past Form | 壊した | kowashita |
| Negative Form | 壊さない | kowasanai |
| Past Negative | 壊さなかった | kowasanakatta |
| Polite Forms | ||
| Polite Present | 壊します | kowashimasu |
| Polite Past | 壊しました | kowashimashita |
| Polite Negative | 壊しません | kowashimasen |
| Polite Past Negative | 壊しませんでした | kowashimasendeshita |
| Advanced Forms | ||
| Potential Form | 壊せる | kowaseru |
| Passive Form | 壊される | kowasareru |
| Causative Form | 壊させる | kowasaseru |
| Causative Passive | 壊さされる | kowasasareru |
| Volitional Form | 壊そう | kowasou |
| Imperative Form | 壊せ | kowase |
| Conditional Forms | ||
| Conditional (ば) | 壊せば | kowaseba |
| Conditional (たら) | 壊したら | kowashitara |
| Other Forms | ||
| Progressive Form | 壊している | kowashiteiru |
| Desire (たい) | 壊したい | kowashitai |
| Prohibition | 壊すな | kowasuna |