| Form | Conjugation | 
|---|---|
| Plain? | 裏問う | 
| Past? | 裏問うた | 
| Negative? | 裏問わない | 
| Volitional? | 裏問おう | 
| Imperative? | 裏問え | 
| Polite imperative? | 裏問いなさい | 
| 〜たい? | 裏問いたい | 
| Conditional (〜えば)? | 裏問えば | 
| Conditional (〜たら)? | 裏問うたら | 
| Potential? | 裏問える | 
| Passive? | 裏問われる | 
| Causative? | 裏問わせる | 
| Prohibitive? | 裏問うな | 
| 〜ます? | 裏問います |