| Form | Conjugation | 
|---|---|
| Plain? | つうずる | 
| Past? | つうじた | 
| Negative? | つうじない | 
| Volitional? | つうじよう | 
| Imperative? | つうじろ | 
| Imperative (written)? | つうぜよ | 
| Polite imperative? | つうじなさい | 
| 〜たい? | つうじたい | 
| Conditional (〜えば)? | つうずれば | 
| Conditional (〜たら)? | つうじたら | 
| Potential? | つうじれる | 
| Passive? | つうじられる | 
| Causative? | つうじさせる | 
| Prohibitive? | つうずるな | 
| 〜ます? | つうじます |