な-adjective
駄目だめ
dame駄目 (だめ, dame) — no good — is a な-adjective: だめだった (past), だめじゃない (negative), だめで (te-form), だめです (polite).
It is usually written in kana: だめ rather than 駄目. It also means not serving its purpose; useless.
How だめ conjugates · な-adjective
Nothing drops: the ending attaches to the whole word.
A な-adjective is a noun-like word plus a copula, and the copula is what conjugates.
だめ
whole word + ending
だめだっただめだったpast · It was useless.
だめじゃないだめじゃないnegative · It isn't useless.
だめでだめでte-form · It's useless and …
だめならだめならif · If it's useless, ...
だめですだめですpolite present · It's useless.
Before a noun it takes な, which is what names the class.
N5 N tags give the JLPT level at which the game starts quizzing a form.
Aa Dimmed forms are too rare in everyday Japanese for the game to quiz.
PLAIN
| Form | Conjugation | Audio |
|---|---|---|
| present N5 It's useless. | だめだ 駄目だ dameda | |
| past N5 It was useless. | だめだった 駄目だった damedatta | |
| negative N5 It isn't useless. | だめじゃない 駄目じゃない damejanai | |
| te-form N5 It's useless and … | だめで 駄目で damede | |
| past negative N4 | だめじゃなかった 駄目じゃなかった damejanakatta | |
| cond. なら N3 If it's useless, ... | だめなら 駄目なら damenara | |
| cond. たら N3 If it turns out useless, ... | だめだったら 駄目だったら damedattara |
POLITE
| Form | Conjugation | Audio |
|---|---|---|
| present N5 It's useless. | だめです 駄目です damedesu | |
| past N5 It was useless. | だめでした 駄目でした damedeshita | |
| negative N5 It isn't useless. | だめじゃないです 駄目じゃないです damejanaidesu | |
| past negative N4 | だめじゃなかったです 駄目じゃなかったです damejanakattadesu |