[Part VIII] How to use (으)을까요? Do you know how to use grammar (으)을까요 ? This grammar is used to express guesses, thoughts or ask something from other person or yourself. Also, it can be used to worry about something or asking something possibility in the future. For example, 1. Korean: 왜 공부를 할까요 ? English: Why do we study? 2. Korean: 오늘 저녁 뭐 먹을까요? English: What should we eat tonight ? 3. Korean: ..