Kanji Library
VerbsJLPT N1

老ける (fukeru) conjugation

JLPT N1 Ichidan verb (Group 2 / ru-verb)intransitive

to age

老ける (ふける, fukeru) is an ichidan verb. Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes. Every form below is tappable — hear it, then say it back.

Conjugation table

FormPlain (casual)Polite (~ます)When you use it
Dictionary / plain
fukeru

fukemasu
The form you look up. Also the casual present and future.
Plain negative
fukenai

fukemasen
“doesn’t / won’t”. From here it conjugates like an i-adjective.
Plain past
fuketa

fukemashita
The casual past — same ending as the te-form, with た/だ.
Plain past negative
fukenakatta

fukemasendeshita
“didn’t”. The negative past, still i-adjective-shaped.
Te-form
fukete
The connector: requests, linking clauses, ~ている.
Progressive (~ている)
fuketeiru

fuketeimasu
“is ~ing”, or an ongoing resulting state.
Desire (~たい)
fuketai

fuketaidesu
“want to ~”. Behaves as an i-adjective.
Volitional
fukeyou

fukemashou
“let’s ~” / “I think I’ll ~”.
Potential
fukerareru

fukeraremasu
“can ~”. What you could do; the object often takes が.
Passive
fukerareru

fukeraremasu
“is ~ed”. Also the honorific and the suffering passive.
Causative
fukesaseru

fukesasemasu
Make or let someone do it.
Causative-passive
fukesaserareru

fukesaseraremasu
Be made to do it — the long one.
Imperative
fukero

fuketekudasai
Blunt order. Use ~てください in real life.
Prohibitive
fukeruna
“don’t!” — dictionary form + な.
Conditional (~ば)
fukereba
“if ~”. General rules and hypotheticals.
Conditional (~たら)
fuketara
“if / when ~”. The everyday conditional.

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Why it conjugates this way

Ichidan verbs are the tidy ones: drop the final る and add the ending. Nothing inside the word ever changes. See the full rules on the verb conjugation guide.

Kanji in this verb

Other JLPT N1 verbs

All JLPT N1 verbs →