These are questions that you will likely here often should you move to Korea.

Words

여자 친구 - Girl friend ( Noun )

남자친구 - boyfriend ( Noun )

Phrases

몇 살이예요? - how old are you? ( Informal polite )

몇 년 생이에요? - Which year were you born in? ( Informal polite )

결혼하셨어요? - Did you marry? ( Informal polite )

여자친구 있어요? - Do you have a girlfriend? ( Informal polite )

대학교 어디 나왔어요? - Where did you go for college? ( Informal polite )