加わる (kuwawaru) conjugation
to join in, to accede to
加わる (くわわる, kuwawaru) is a godan verb. Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば. Every form below is tappable — hear it, then say it back.
Conjugation table
| Form | Plain (casual) | Polite (~ます) | When you use it |
|---|---|---|---|
| Dictionary / plain | 加わる kuwawaru | 加わります kuwawarimasu | The form you look up. Also the casual present and future. |
| Plain negative | 加わらない kuwawaranai | 加わりません kuwawarimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 加わった kuwawatta | 加わりました kuwawarimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 加わらなかった kuwawaranakatta | 加わりませんでした kuwawarimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 加わって kuwawatte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 加わっている kuwawatteiru | 加わっています kuwawatteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 加わりたい kuwawaritai | 加わりたいです kuwawaritaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 加わろう kuwawarou | 加わりましょう kuwawarimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 加われる kuwawareru | 加われます kuwawaremasu | “can ~”. What you could do; the object often takes が. |
| Passive | 加わられる kuwawarareru | 加わられます kuwawararemasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 加わらせる kuwawaraseru | 加わらせます kuwawarasemasu | Make or let someone do it. |
| Causative-passive | 加わらされる kuwawarasareru | 加わらされます kuwawarasaremasu | Be made to do it — the long one. |
| Imperative | 加われ kuwaware | 加わってください kuwawattekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 加わるな kuwawaruna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 加われば kuwawareba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 加わったら kuwawattara | — | “if / when ~”. The everyday conditional. |
🔊 Tap any Japanese word to hear it spoken.
Why it conjugates this way
Godan verbs change their final kana up and down its column of the kana chart — the a-row for negatives, the i-row before ます, the e-row for potential and ば.
See the full rules on the verb conjugation guide.