| Form | Conjugation | 
|---|---|
| Plain? | 疵つく | 
| Past? | 疵ついた | 
| Negative? | 疵つかない | 
| Volitional? | 疵つこう | 
| Imperative? | 疵つけ | 
| Polite imperative? | 疵つきなさい | 
| 〜たい? | 疵つきたい | 
| Conditional (〜えば)? | 疵つけば | 
| Conditional (〜たら)? | 疵ついたら | 
| Potential? | 疵つける | 
| Passive? | 疵つかれる | 
| Causative? | 疵つかせる | 
| Prohibitive? | 疵つくな | 
| 〜ます? | 疵つきます |