Kanji Library
VerbsJLPT N1

組み合わせる (kumiawaseru) conjugation

JLPT N1 Ichidan verb (Group 2 / ru-verb)transitive (takes を)

to join together, to combine, to join up

組み合わせる (くみあわせる, kumiawaseru) 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
kumiawaseru

kumiawasemasu
The form you look up. Also the casual present and future.
Plain negative
kumiawasenai

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

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

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

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

kumiawasetaidesu
“want to ~”. Behaves as an i-adjective.
Volitional
kumiawaseyou

kumiawasemashou
“let’s ~” / “I think I’ll ~”.
Potential
kumiawaserareru

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

kumiawaseraremasu
“is ~ed”. Also the honorific and the suffering passive.
Causative
kumiawasesaseru

kumiawasesasemasu
Make or let someone do it.
Causative-passive
kumiawasesaserareru

kumiawasesaseraremasu
Be made to do it — the long one.
Imperative
kumiawasero

kumiawasetekudasai
Blunt order. Use ~てください in real life.
Prohibitive
kumiawaseruna
“don’t!” — dictionary form + な.
Conditional (~ば)
kumiawasereba
“if ~”. General rules and hypotheticals.
Conditional (~たら)
kumiawasetara
“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 →