Godan verb (く)

湧くわく

waku

to well (up) · N2

Also read わく: 沸く (boil). All 2 words

湧く (わく, waku) — to well — is a godan verb ending in く: 湧いて (te-form), 湧いた (past), 湧かない (negative), 湧きます (polite).

It also means to gush out; to spring out.

How 湧く conjugates · godan く-verb

Only the last kana changes: く becomes か, き, け or こ.

Which one depends on the ending. The five are one line of the hiragana chart — same consonant, vowels あ・い・う・え・お — and everything before that kana never changes.

か湧かないnegative

き湧きますpolite present

く湧くdictionary form

け湧けるpotential湧けばif

こ湧こうvolitional

The て and た forms · く → いて, いたい湧いてte-form湧いたpast

The て and た forms are the only two that don't follow this pattern. Every く- and ぐ-verb changes the same way there; only 行く is different.

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	湧くわく waku
past N5 It welled up.	湧いたわいた waita
negative N5 It doesn't well up.	湧かないわかない wakanai
te-form N5 It wells up and …	湧いてわいて waite
past negative N4 It didn't well up.	湧かなかったわかなかった wakanakatta
volitional N4	湧こうわこう wakou
potential N3	湧けるわける wakeru
cond. ば N3 If it wells up, ...	湧けばわけば wakeba
cond. たら N3 When it wells up, ...	湧いたらわいたら waitara
passive N2	湧かれるわかれる wakareru
causative N2 I make it well up.	湧かせるわかせる wakaseru
imperative N1	湧けわけ wake

POLITE

Form	Conjugation	Audio
present N5	湧きますわきます wakimasu
past N5 It welled up.	湧きましたわきました wakimashita
negative N5 It doesn't well up.	湧きませんわきません wakimasen
past negative N4 It didn't well up.	湧きませんでしたわきませんでした wakimasendeshita
volitional N4	湧きましょうわきましょう wakimashou

ASPECT

Form	Conjugation	Audio
ている N4 It's welling up.	湧いているわいている waiteiru
ていた N4 It was welling up.	湧いていたわいていた waiteita
ています N4 It's welling up.	湧いていますわいています waiteimasu
ていました N4 It was welling up.	湧いていましたわいていました waiteimashita