| Form | Conjugation | 
|---|---|
| Plain? | し過ぎる | 
| Past? | し過ぎた | 
| Negative? | し過ぎない | 
| Volitional? | し過ぎよう | 
| Imperative? | し過ぎろ | 
| Polite imperative? | し過ぎなさい | 
| 〜たい? | し過ぎたい | 
| Conditional (〜えば)? | し過ぎれば | 
| Conditional (〜たら)? | し過ぎたら | 
| Potential? | し過ぎれる | 
| Passive? | し過ぎられる | 
| Causative? | し過ぎさせる | 
| Prohibitive? | し過ぎるな | 
| 〜ます? | し過ぎます |