- 1. [adj-na] qualitative
Conjugation — Adjective (―na)
This word itself does not change -- these are forms of the copula だ ("to be") attached to it.
| Attributive (before a noun) | しつてきな | (shitsutekina) |
| Non-past, plain | しつてきだ | (shitsutekida) |
| Non-past, polite | しつてきです | (shitsutekidesu) |
| Past, plain | しつてきだった | (shitsutekidatta) |
| Past, polite | しつてきでした | (shitsutekideshita) |
| Negative, plain | しつてきじゃない | (shitsutekijanai) |
| Negative, polite | しつてきじゃないです | (shitsutekijanaidesu) |
| Past negative, plain | しつてきじゃなかった | (shitsutekijanakatta) |
| Past negative, polite | しつてきじゃなかったです | (shitsutekijanakattadesu) |
| Te-form | しつてきで | (shitsutekide) |
| Conditional (―nara) | しつてきなら | (shitsutekinara) |