| | Positive | Negative |
| Present Indicative |
Plain | shitsumon suru |
shitsumon shinai |
| Polite |
shitsumon shimasu |
shitsumon shimasen |
| Past Indicative |
Plain |
shitsumon shita |
shitsumon shinakatta |
| Polite |
shitsumon shimashita |
shitsumon shimasen deshita |
| Presumptive |
Plain |
shitsumon shiyō
shitsumon suru darō |
shitsumon shinai darō |
| Polite |
shitsumon shimashō
shitsumon suru deshō |
shitsumon shinai deshō |
| Past Presumptive |
Plain |
shitsumon shitarō
shitsumon shita darō |
shitsumon shinakatta darō |
| Polite |
shitsumon shimashitarō |
shitsumon shinakatta deshō |
| Present Progressive |
Plain | | |
| Polite | shitsumon shite imasu |
shitsumon shite imasen |
| Past Progressive |
Plain | | |
| Polite |
shitsumon shite imashita |
shitsumon shite imasen deshita |
| Provisional |
Plain |
shitsumon sureba |
shitsumon shinakereba
|
| Polite |
shitsumon shimaseba
shitsumon shimasureba
|
shitsumon shimasen nara
|
| Conditional |
Plain |
shitsumon shitara |
shitsumon shinakattara
|
| Polite |
shitsumon
shitsumon shimashitara
|
shitsumon shimasen deshitara
|
| Potential |
Plain | shitsumon dekiru |
shitsumon dekinai |
| Polite |
shitsumon dekimasu |
shitsumon dekimasen |
| Causative |
Plain |
shitsumon saseru |
|
| Polite | |
|
| Imperative |
Plain |
shitsumon shiro |
shitsumon suruna |
| Polite |
shitsumon shite kudasai |
shitsumon shinaide kudasai |
Passive |
Plain | sareru |