| Form | Conjugation | 
|---|---|
| Plain? | 躓く | 
| Past? | 躓いた | 
| Negative? | 躓かない | 
| Volitional? | 躓こう | 
| Imperative? | 躓け | 
| Polite imperative? | 躓きなさい | 
| 〜たい? | 躓きたい | 
| Conditional (〜えば)? | 躓けば | 
| Conditional (〜たら)? | 躓いたら | 
| Potential? | 躓ける | 
| Passive? | 躓かれる | 
| Causative? | 躓かせる | 
| Prohibitive? | 躓くな | 
| 〜ます? | 躓きます |