Katsuyo

な-adjective

複雑ふくざつ

fukuzatsu

complex · N4

複雑 (ふくざつ, fukuzatsu) — complex — is a -adjective: 複雑だった (past), 複雑じゃない (negative), 複雑で (te-form), 複雑です (polite).

It also means complicated; intricate.

How 複雑 conjugates · -adjective

Nothing drops: the ending attaches to the whole word.

A -adjective is a noun-like word plus a copula, and the copula is what conjugates.

複雑 whole word + ending
複雑だった複雑だったpast · It was complicated. 複雑じゃない複雑じゃないnegative · It isn't complicated. 複雑複雑te-form · It's complicated and … 複雑なら複雑ならif · If it's complicated, ... 複雑です複雑ですpolite present · It's complicated.

Before a noun it takes , 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

FormConjugationAudio
present N5 It's complicated. 複雑だ ふくざつだ fukuzatsuda
past N5 It was complicated. 複雑だった ふくざつだった fukuzatsudatta
negative N5 It isn't complicated. 複雑じゃない ふくざつじゃない fukuzatsujanai
te-form N5 It's complicated and … 複雑で ふくざつで fukuzatsude
past negative N4 It wasn't complicated. 複雑じゃなかった ふくざつじゃなかった fukuzatsujanakatta
cond. なら N3 If it's complicated, ... 複雑なら ふくざつなら fukuzatsunara
cond. たら N3 複雑だったら ふくざつだったら fukuzatsudattara

POLITE

FormConjugationAudio
present N5 It's complicated. 複雑です ふくざつです fukuzatsudesu
past N5 It was complicated. 複雑でした ふくざつでした fukuzatsudeshita
negative N5 It isn't complicated. 複雑じゃないです ふくざつじゃないです fukuzatsujanaidesu
past negative N4 It wasn't complicated. 複雑じゃなかったです ふくざつじゃなかったです fukuzatsujanakattadesu