Cooljugator Logo Get a Japanese Tutor

起す

to do

Looking for learning resources? Study with our courses! Get a full Japanese course →

Conjugation of 起す

This verb follows the godan conjugation pattern.
私/俺
Present informal tense
起す
okosu
I do
Present informal negative tense
起さない
okosanai
I don't do
Present formal tense
起します
okoshimasu
I do
Present formal negative tense
起しません
okoshimasen
I do not do
私/俺
Past informal tense
起した
okoshita
I did
Past informal negative tense
起さなかった
okosanakatta
I didn't do
Past formal tense
起しました
okoshimashita
I do
Past formal negative tense
起しませんでした
okoshimasen deshita
I did not do
私/俺
Imperative informal mood
起せ
okose
do
Imperative negative mood
起すな
okosu na
don't do
Imperative formal mood
起してください
okoshite kudasai
please do
Imperative formal negative mood
起さないでください
okosanai dekudasai
please do not do
私/俺
Te form - conjunctive stem
起して
okoshite
do
Passive stem
起される
okosareru
did
Hypothetical tense
起せ
okose
if I did
Hypothetical conditional stem
起せば
okoseba
did
私/俺
Volitional stem
起そう
okosō
will do
Potential stem
起せる
okoseru
did
Continuative stem
起し
okoshi
doing
Causative stem
起させる
okosaseru
allow to do
私/俺
Imperfective stem
起さ
okosa
do

Examples of 起す

起せ

- Eric, where's that sheet steel? - Hurry up! Let's go.