Godan verb (ぐ)

急ぐいそぐ

isogu

to hurry · N4

急ぐ (いそぐ, isogu) — to hurry — is a godan verb ending in ぐ: 急いで (te-form), 急いだ (past), 急がない (negative), 急ぎます (polite).

It also means to rush; to hasten.

How 急ぐ conjugates · godan ぐ-verb

Only the last kana changes: ぐ becomes が, ぎ, げ or ご.

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.

が急がないnegative

ぎ急ぎますpolite present

ぐ急ぐdictionary form

げ急げるpotential急げばif

ご急ごうvolitional

The て and た forms · ぐ → いで, いだい急いでte-form急いだ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	急ぐいそぐ isogu
past N5 I hurried.	急いだいそいだ isoida
negative N5 I don't hurry.	急がないいそがない isoganai
te-form N5 I hurry and …	急いでいそいで isoide
past negative N4	急がなかったいそがなかった isoganakatta
volitional N4 Let's hurry.	急ごういそごう isogou
potential N3	急げるいそげる isogeru
cond. ば N3 If I hurry, ...	急げばいそげば isogeba
cond. たら N3 When I hurry, ...	急いだらいそいだら isoidara
passive N2 I get rushed.	急がれるいそがれる isogareru
causative N2 I make someone hurry.	急がせるいそがせる isogaseru
imperative N1 Hurry up!	急げいそげ isoge

POLITE

Form	Conjugation	Audio
present N5	急ぎますいそぎます isogimasu
past N5 I hurried.	急ぎましたいそぎました isogimashita
negative N5 I don't hurry.	急ぎませんいそぎません isogimasen
past negative N4	急ぎませんでしたいそぎませんでした isogimasendeshita
volitional N4 Let's hurry.	急ぎましょういそぎましょう isogimashou

ASPECT

Form	Conjugation	Audio
ている N4 I'm hurrying.	急いでいるいそいでいる isoideiru
ていた N4 I was hurrying.	急いでいたいそいでいた isoideita
ています N4 I'm hurrying.	急いでいますいそいでいます isoideimasu
ていました N4 I was hurrying.	急いでいましたいそいでいました isoideimashita