| | Positive | Negative |
| Present Indicative |
Plain | koshikakeru | koshikakenai |
| Polite | koshikakemasu | koshikakemasen |
| Presumptive |
Plain |
koshikakeyō
koshikakeru darō |
koshikakenai darō |
| Polite |
koshikakemashō
koshikakeru deshō |
koshikakenai deshō |
| Imperative |
Plain | koshikakero |
koshikakeru na |
| Polite | koshikakete kudasai |
koshikakenai de kudasai |
| Past Indicative |
Plain | koshikaketa | koshikakenakatta |
| Polite | koshikakemashita | koshikakemasen deshita |
| Past Presumptive |
Plain |
koshikaketarō
koshikaketa darō | koshikakenakatta darō |
| Polite |
koshikaketa deshō | koshikakenakatta deshō |
| Present Progressive |
Plain |
koshikakete iru
| |
| Polite | koshikakete imasu |
koshikakete imasen |
| Past Progressive |
Plain |
koshikakete ita
| |
| Polite | koshikakete imashita |
koshikakete imasen deshita |
| Provisional |
Plain |
koshikakereba |
koshikakenakereba |
| Polite |
koshikakemaseba
koshikakemasureba
|
koshikakemasen nara
|
| Conditional |
Plain | koshikaketara |
koshikakenakattara |
| Polite | koshikakemashitara |
koshikakemasen deshitara |
| Potential |
Plain | koshikakerareru |
koshikakerarenai |
| Polite | koshikakeraremasu |
koshikakeraremasen |
| Causative |
Plain | koshikakesaseru |
koshikakesasenai |
| Polite | koshikakesasemasu |
koshikakesasemasen |