- 1. [adj-na, n] large and wide
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) | はくだいな | (hakudaina) |
| Non-past, plain | はくだいだ | (hakudaida) |
| Non-past, polite | はくだいです | (hakudaidesu) |
| Past, plain | はくだいだった | (hakudaidatta) |
| Past, polite | はくだいでした | (hakudaideshita) |
| Negative, plain | はくだいじゃない | (hakudaijanai) |
| Negative, polite | はくだいじゃないです | (hakudaijanaidesu) |
| Past negative, plain | はくだいじゃなかった | (hakudaijanakatta) |
| Past negative, polite | はくだいじゃなかったです | (hakudaijanakattadesu) |
| Te-form | はくだいで | (hakudaide) |
| Conditional (―nara) | はくだいなら | (hakudainara) |