공부하다([gong-bu-ha-da/study]) is the basic verb for studying. In polite speech, say 공부해요([gong-bu-hae-yo]). Example: 한국어를 공부해요 (I study Korean).
공부하다([gong-bu-ha-da]) means to study on your own, such as reading and memorizing for a test. 배우다([bae-u-da]) means to learn a skill from a teacher or a coworker. Example: 시험 공부해요 (I study for the test), 용접을 배워요 (I learn welding).
Add 열심히 (yeol-sim-hi, "hard, diligently") before the verb. Say 열심히 공부해요 (yeol-sim-hi gong-bu-hae-yo) for "I study hard". It is a common phrase for the EPS-TOPIK exam.
공부하다([gong-bu-ha-da/study]) means "to study". It is the basic verb for studying for a test or reading and practicing to gain knowledge.
1. Subject: “뭐 공부해요? (mwo gong-bu-hae-yo?)”
2. Past: 공부했어요([gong-bu-hae-sseo-yo/studied]) studied.
3. Now: 공부하고 있어요([gong-bu-ha-go i-sseo-yo/am studying]) am studying.
4. Encouragement: 공부하세요([gong-bu-ha-se-yo/please study]) please study.
5. Duty: 공부해야 해요([gong-bu-hae-ya hae-yo/have to study]) have to study.
A: What are you studying?
B: 한국어 공부해요. B: han-gu-geo gong-bu-hae-yo.B: I'm studying Korean.
A: 어디에서 공부해요? A: eo-di-e-seo gong-bu-hae-yo?A: Where do you study?
B: 도서관에서 공부해요. B: do-seo-gwa-ne-seo gong-bu-hae-yo.B: I study at the library. - 공부하다([gong-bu-ha-da/study])
A: What are you doing now?
B: 공부하고 있어요. B: gong-bu-ha-go i-sseo-yo.B: I'm studying.
A: 무슨 공부예요? A: mu-seun gong-bu-ye-yo?A: What are you studying?
B: 시험 공부예요. B: si-heom gong-bu-ye-yo.B: It's studying for the test. - 공부하고 있어요([gong-bu-ha-go i-sseo-yo/am studying])
A: The test is tomorrow.
B: 그럼 오늘 공부해야 해요. B: geu-reom o-neul gong-bu-hae-ya hae-yo.B: Then I have to study today.
A: 몇 시간 공부해야 해요? A: myeot si-gan gong-bu-hae-ya hae-yo?A: How many hours do you have to study?
B: 세 시간 공부해야 해요. B: se si-gan gong-bu-hae-ya hae-yo.B: Three hours. - 공부해야 해요([gong-bu-hae-ya hae-yo/have to study])
• 공부하다([gong-bu-ha-da/study]) study
- 공부했어요([gong-bu-hae-sseo-yo/studied]) studied
- 공부하고 있어요([gong-bu-ha-go i-sseo-yo/am studying]) am studying
- 공부하세요([gong-bu-ha-se-yo/please study]) please study
- 공부해야 해요([gong-bu-hae-ya hae-yo/have to study]) have to study