Learn expressions that are used everyday at an office.
"보고서를 언제까지 내야 합니까?"
( When do I have to turn in the report?)
Learn "-(으)ㄹ 테니까" which is an expression that indicates a person's will, plan, or prediction.
"제가 할 테니까 자료를 찾아보세요."
( I will do it so please look for information.)