出会う (deau) conjugation
to meet by chance, to come across, to happen to encounter
出会う (であう, deau) 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 | 出会う deau | 出会います deaimasu | The form you look up. Also the casual present and future. |
| Plain negative | 出会わない deawanai | 出会いません deaimasen | “doesn’t / won’t”. From here it conjugates like an i-adjective. |
| Plain past | 出会った deatta | 出会いました deaimashita | The casual past — same ending as the te-form, with た/だ. |
| Plain past negative | 出会わなかった deawanakatta | 出会いませんでした deaimasendeshita | “didn’t”. The negative past, still i-adjective-shaped. |
| Te-form | 出会って deatte | — | The connector: requests, linking clauses, ~ている. |
| Progressive (~ている) | 出会っている deatteiru | 出会っています deatteimasu | “is ~ing”, or an ongoing resulting state. |
| Desire (~たい) | 出会いたい deaitai | 出会いたいです deaitaidesu | “want to ~”. Behaves as an i-adjective. |
| Volitional | 出会おう deaou | 出会いましょう deaimashou | “let’s ~” / “I think I’ll ~”. |
| Potential | 出会える deaeru | 出会えます deaemasu | “can ~”. What you could do; the object often takes が. |
| Passive | 出会われる deawareru | 出会われます deawaremasu | “is ~ed”. Also the honorific and the suffering passive. |
| Causative | 出会わせる deawaseru | 出会わせます deawasemasu | Make or let someone do it. |
| Causative-passive | 出会わされる deawasareru | 出会わされます deawasaremasu | Be made to do it — the long one. |
| Imperative | 出会え deae | 出会ってください deattekudasai | Blunt order. Use ~てください in real life. |
| Prohibitive | 出会うな deauna | — | “don’t!” — dictionary form + な. |
| Conditional (~ば) | 出会えば deaeba | — | “if ~”. General rules and hypotheticals. |
| Conditional (~たら) | 出会ったら deattara | — | “if / when ~”. The everyday conditional. |
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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.