| Form | Conjugation | 
|---|---|
| Plain? | ふける | 
| Past? | ふけった | 
| Negative? | ふけらない | 
| Volitional? | ふけろう | 
| Imperative? | ふけれ | 
| Polite imperative? | ふけりなさい | 
| 〜たい? | ふけりたい | 
| Conditional (〜えば)? | ふければ | 
| Conditional (〜たら)? | ふけったら | 
| Potential? | ふけれる | 
| Passive? | ふけられる | 
| Causative? | ふけらせる | 
| Prohibitive? | ふけるな | 
| 〜ます? | ふけります |