Kanji Library
VerbsJLPT N1

即する (sokusuru) conjugation

JLPT N1 Irregular verb (Group 3)intransitive

to conform to, to agree with, to be adapted to,

即する (そくする, sokusuru) is an irregular verb. Only する and 来る are truly irregular, and every learner meets them in week one. Every form below is tappable — hear it, then say it back.

Conjugation table

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

sokushimasu
The form you look up. Also the casual present and future.
Plain negative
sokushinai

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

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

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

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

sokushitaidesu
“want to ~”. Behaves as an i-adjective.
Volitional
sokushiyou

sokushimashou
“let’s ~” / “I think I’ll ~”.
Potential
sokudekiru

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

sokusaremasu
“is ~ed”. Also the honorific and the suffering passive.
Causative
sokusaseru

sokusasemasu
Make or let someone do it.
Causative-passive
sokusaserareru

sokusaseraremasu
Be made to do it — the long one.
Imperative
sokushiro

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

🔊 Tap any Japanese word to hear it spoken.

Why it conjugates this way

Only する and 来る are truly irregular, and every learner meets them in week one. See the full rules on the verb conjugation guide.

Kanji in this verb

Other JLPT N1 verbs

All JLPT N1 verbs →