Tag questions: 죠?

죠 is a contraction of 지요 which creates a tag question: V/adj (stem) + 죠?

시간이 참 빠르죠?
Time goes quickly, doesn’t it?

날씨가 좋아죠?
The weather’s great, isn’t it?

나한테 화나죠?
You’re angry with me, aren’t you?

Compare:

밥을 먹었어요?
Have you eaten? (I have no idea if you’ve eaten or not)

밥을 먹었죠?
You already ate, right? (It’s just after lunch, or you’re walking out of a restaurant)

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그녀는 예쁜죠?
She’s pretty, isn’t she?

날씨가 춥죠?
The weather’s cold isn’t it?