verb

공부하다

to study

Verb conjugations

공부하

Dictionary form

공부하다

Base form you look up in a dictionary

Verb stem

공부하

Remove 다 before adding most endings

Polite present

공부해요

Everyday polite speech

Polite past

공부했어요

Polite form for completed actions

Polite future

공부할 거예요

Polite form for will or going to

Plain present

공부한다

Written/plain present form

Negative polite

공부 안 해요

Everyday polite negative form

Example

도서관에서 공부해요.

I study at the library.

Note

공부하다 means to study; 공부 is the noun study.