にやにやする or ニヤニヤする • (niyaniya suru) suru (stem にやにやし (niyaniya shi), past にやにやした (niyaniya shita))
| Katsuyōkei ("stem forms") | ||||
|---|---|---|---|---|
| Mizenkei ("imperfective") | にやにやし | niyaniya shi | ||
| Ren’yōkei ("continuative") | にやにやし | niyaniya shi | ||
| Shūshikei ("terminal") | にやにやする | niyaniya suru | ||
| Rentaikei ("attributive") | にやにやする | niyaniya suru | ||
| Kateikei ("hypothetical") | にやにやすれ | niyaniya sure | ||
| Meireikei ("imperative") | にやにやせよ¹ にやにやしろ² |
niyaniya seyo¹ niyaniya shiro² | ||
| Key constructions | ||||
| Passive | にやにやされる | niyaniya sareru | ||
| Causative | にやにやさせる にやにやさす |
niyaniya saseru niyaniya sasu | ||
| Potential | にやにやできる | niyaniya dekiru | ||
| Volitional | にやにやしよう | niyaniya shiyō | ||
| Negative | にやにやしない | niyaniya shinai | ||
| Negative continuative | にやにやせず | niyaniya sezu | ||
| Formal | にやにやします | niyaniya shimasu | ||
| Perfective | にやにやした | niyaniya shita | ||
| Conjunctive | にやにやして | niyaniya shite | ||
| Hypothetical conditional | にやにやすれば | niyaniya sureba | ||
| ¹ Written imperative ² Spoken imperative | ||||