| Form | Conjugation | 
|---|---|
| Plain? | 妨げる | 
| Past? | 妨げた | 
| Negative? | 妨げない | 
| Volitional? | 妨げよう | 
| Imperative? | 妨げろ | 
| Polite imperative? | 妨げなさい | 
| 〜たい? | 妨げたい | 
| Conditional (〜えば)? | 妨げれば | 
| Conditional (〜たら)? | 妨げたら | 
| Potential? | 妨げれる | 
| Passive? | 妨げられる | 
| Causative? | 妨げさせる | 
| Prohibitive? | 妨げるな | 
| 〜ます? | 妨げます |