Ichidan verb

隔てるへだてる

hedateru

to separate (by distance, time, etc.) · N2

隔てる (へだてる, hedateru) — to separate — is an ichidan verb: 隔てて (te-form), 隔てた (past), 隔てない (negative), 隔てます (polite).

It is transitive: it takes a direct object. It also means to isolate; to partition.

How 隔てる conjugates · ichidan verb

Drop the る, then add the ending.

Nothing else moves: every ending attaches straight to the stem 隔て. That is what makes ichidan the easy class.

隔てる dropsstem + ending

隔てない隔てないnegative · I don't separate them. 隔てます隔てますpolite present 隔てて隔ててte-form · I separate them and … 隔てた隔てたpast · I separated them. 隔てられる隔てられるpotential 隔てれば隔てればif · If I separate them, ... 隔てよう隔てようvolitional

No sound changes and no vowel rows. The catch is telling ichidan from godan: plenty of godan verbs end in る too.

N1 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	隔てるへだてる hedateru
past I separated them.	隔てたへだてた hedateta
negative I don't separate them.	隔てないへだてない hedatenai
te-form I separate them and …	隔ててへだてて hedatete
past negative	隔てなかったへだてなかった hedatenakatta
volitional	隔てようへだてよう hedateyou
potential	隔てられるへだてられる hedaterareru
cond. ば If I separate them, ...	隔てればへだてれば hedatereba
cond. たら When I separate them, ...	隔てたらへだてたら hedatetara
passive They get separated.	隔てられるへだてられる hedaterareru
causative	隔てさせるへだてさせる hedatesaseru
imperative N1	隔てろへだてろ hedatero

POLITE

Form	Conjugation	Audio
present	隔てますへだてます hedatemasu
past I separated them.	隔てましたへだてました hedatemashita
negative I don't separate them.	隔てませんへだてません hedatemasen
past negative	隔てませんでしたへだてませんでした hedatemasendeshita
volitional	隔てましょうへだてましょう hedatemashou

ASPECT

Form	Conjugation	Audio
ている I'm keeping them apart.	隔てているへだてている hedateteiru
ていた I was keeping them apart.	隔てていたへだてていた hedateteita
ています I'm keeping them apart.	隔てていますへだてています hedateteimasu
ていました I was keeping them apart.	隔てていましたへだてていました hedateteimashita