要是⋯⋯，就⋯⋯
설명
“要是⋯⋯，就⋯⋯”用于表达假设条件关系，意思是“如果……就……”。前半句提出假设的情况，后半句说明在该情况下会产生的结果或采取的行动。
The structure '要是⋯⋯，就⋯⋯' is used to express a conditional relationship, meaning 'if..., then...'. The first clause presents a hypothetical situation, and the second clause states the result or action that will follow if that situation occurs.
예문
要是不开心，我就会大声唱歌。
If I'm unhappy, I'll sing loudly.
要是你明天有时间，就跟我一起去长城吧。
If you have time tomorrow, let's go to the Great Wall together.