E.g.,
오늘 그 식당 열어요 Today that restaurant is open.
오늘 그 식당 열어요? Is that restaurant open today?
오늘 그 식당 열 것 같아요. I guess that restaurant is open today.
오늘 그 식당 열 것 같다고 들었어요. I heard [someone] saying that restaurant is probably open today.
오늘 그 식당 열 것 같다고 들으셨다면서요? I heard that you heard that the restaurant is probably open today, is that true?
오늘 그 식당 열 것 같다고 말한 분이 누군지 찾아서 좀 따져야겠어! I'm going to find whoever told me that the restaurant would open today, and set the record straight!
오늘 그 식당 열 것 같을 리가 없잖아요! There's no way the restaurant is even open today!
In fact, learning English as a native Korean speaker, one of the greatest difficulty was asking questions - you can't just start your sentence and make it a question later, you have to mentally pause, construct your question in your head, and then invert the first word! It took me years.