| Form | Conjugation | 
|---|---|
| Plain? | 擦る | 
| Past? | 擦った | 
| Negative? | 擦らない | 
| Volitional? | 擦ろう | 
| Imperative? | 擦れ | 
| Polite imperative? | 擦りなさい | 
| 〜たい? | 擦りたい | 
| Conditional (〜えば)? | 擦れば | 
| Conditional (〜たら)? | 擦ったら | 
| Potential? | 擦れる | 
| Passive? | 擦られる | 
| Causative? | 擦らせる | 
| Prohibitive? | 擦るな | 
| 〜ます? | 擦ります |