| Form | Conjugation | 
|---|---|
| Plain? | 腹がすく | 
| Past? | 腹がすいた | 
| Negative? | 腹がすかない | 
| Volitional? | 腹がすこう | 
| Imperative? | 腹がすけ | 
| Polite imperative? | 腹がすきなさい | 
| 〜たい? | 腹がすきたい | 
| Conditional (〜えば)? | 腹がすけば | 
| Conditional (〜たら)? | 腹がすいたら | 
| Potential? | 腹がすける | 
| Passive? | 腹がすかれる | 
| Causative? | 腹がすかせる | 
| Prohibitive? | 腹がすくな | 
| 〜ます? | 腹がすきます |