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Japanese

Japanese verb · irregular · first needed at beginner level (A1)

勉強する

benkyō suru

to study

A noun + (suru) verb: only changes, exactly like itself. What you study takes (o): (Nihongo o benkyō suru).

Speed:

Present

現在形

Now, habits and the future. The plain form is for friends and family; polite ~ます is the default.

plain勉強するbenkyō suru
polite勉強しますbenkyō shimasu
plain negative勉強しないbenkyō shinai
polite negative勉強しませんbenkyō shimasen

Past

過去形

What happened, or what has happened. The plain form is for friends and family; polite ~ました is the default.

plain勉強したbenkyō shita
polite勉強しましたbenkyō shimashita
plain negative勉強しなかったbenkyō shinakatta
polite negative勉強しませんでしたbenkyō shimasen deshita

Te-form

て形

Joins actions (“and then”) and builds ~ています (doing now), ~てください (please do) and ~てもいいですか (may I).

te-form勉強してbenkyō shite
-te imasu (doing now)勉強していますbenkyō shite imasu
-te kudasai (please do)勉強してくださいbenkyō shite kudasai
-te mo ii desu ka (may I)勉強してもいいですかbenkyō shite mo ii desu ka

Volitional

意向形

Let's: the plain form between friends, ~ましょう in polite speech. ~ましょうか suggests (shall we?) or offers help (shall I?).

plain (let's)勉強しようbenkyō shiyō
polite (let's)勉強しましょうbenkyō shimashō
polite (shall we?)勉強しましょうかbenkyō shimashō ka

Potential

可能形

Can study: (suru) becomes (dekiru). (koko nara shizuka ni benkyō dekiru), I can study in peace here.

plain勉強できるbenkyō dekiru
polite勉強できますbenkyō dekimasu
plain negative勉強できないbenkyō dekinai
polite negative勉強できませんbenkyō dekimasen

Causative

使役形

Making or letting someone study: (kodomo ni benkyō saseru), to make the children study.

plain勉強させるbenkyō saseru
polite勉強させますbenkyō sasemasu
plain negative勉強させないbenkyō sasenai
polite negative勉強させませんbenkyō sasemasen

Conditional

条件形

If: ~ば for general conditions, ~たら for “if” and “when, once”, ~なければ for “if not”.

-ba勉強すればbenkyō sureba
-tara勉強したらbenkyō shitara
-nakereba (if not)勉強しなければbenkyō shinakereba

Examples

  • 毎日日本語を勉強しています。Mainichi Nihongo o benkyō shite imasu.I'm studying Japanese every day.
  • 図書館で一緒に勉強しましょう。Toshokan de issho ni benkyō shimashō.Let's study together at the library.
  • 昨日は勉強しなかった。Kinō wa benkyō shinakatta.I didn't study yesterday.