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Verb Conjugations
Vol. 3 suru (to do)

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suru (to do): Group 3 
Informal Present
(Dictionary Form)
suru
する
Formal Present
(~ masu Form)
shimasu
します
Informal Past 
(~ ta Form)
shita
した
Formal Past  shimashita
しました
Informal Negative
(~ nai Form)
shinai
しない
Formal Negative shimasen
しません
Informal Past Negative shinakatta
しなかった
Formal Past Negative shimasen deshita
しませんでした
~ te Form shite
して
Conditional sureba
すれば
Volitional shiyou
しよう
Passive sareru
される
Causative saseru
させる
Potential dekiru
できる
Imperative
(Command)
shiro
しろ

Examples

Shukudai o shimashita ka.
宿題をしましたか。
Did you do your homework?
Asu made ni shite kudasai.
明日までにしてください。
Please do it by tomorrow.
Sonna koto dekinai!
そんなことできない!
I can't do such a thing!

Click here to learn about the extended use of the verb "suru".

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