When to use to think in Korean
Korean: 생각하다[ saeng-gak-ha-da ]

When to use it
(생각하다) means "to think." You use it when you have an idea in your mind, make a plan, or give your opinion. It is a very common everyday verb for talking about thoughts, decisions, and what you believe.
Example sentences
집에서 저녁 메뉴를 생각해요.
I think about the dinner menu at home.
학교에서 발표 내용을 생각했어요.
I thought about my presentation at school.
공원에서 친구를 생각해요.
I think about my friend at the park.
저는 이 영화가 재미있다고 생각해요.
I think this movie is interesting.
마트에서 무엇을 살지 생각해요.
I think about what to buy at the store.
여행을 가기 전에 날씨를 생각해요.
I think about the weather before traveling.