- 1. [adj-na] collective; group
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) | しゅうだんてきな | (shuudantekina) |
| Non-past, plain | しゅうだんてきだ | (shuudantekida) |
| Non-past, polite | しゅうだんてきです | (shuudantekidesu) |
| Past, plain | しゅうだんてきだった | (shuudantekidatta) |
| Past, polite | しゅうだんてきでした | (shuudantekideshita) |
| Negative, plain | しゅうだんてきじゃない | (shuudantekijanai) |
| Negative, polite | しゅうだんてきじゃないです | (shuudantekijanaidesu) |
| Past negative, plain | しゅうだんてきじゃなかった | (shuudantekijanakatta) |
| Past negative, polite | しゅうだんてきじゃなかったです | (shuudantekijanakattadesu) |
| Te-form | しゅうだんてきで | (shuudantekide) |
| Conditional (―nara) | しゅうだんてきなら | (shuudantekinara) |