Questions & Answers about wae jibe an ga?
What role does 안 play in 왜 집에 안 가?
There’s no subject in 왜 집에 안 가. Who is being talked about?
Why doesn’t the verb end with -요? How would I make it polite?
This is the plain (dictionary) form used in casual or close relationships. To make it polite, attach -요:
• Casual polite: 왜 집에 안 가요?
• Formal polite: 왜 집에 안 가십니까?
Why is 집에 used instead of just 집?
Could I use 집으로 instead of 집에? Would it change the meaning?
What’s the difference between 안 가 and 못 가?
안 가 means “not go” by choice (volitional negation).
못 가 means “cannot go” due to inability or external obstacle (inability negation).
Why not say 왜 집에 안 가니 instead of 왜 집에 안 가?
Adding -니 (the casual interrogative ending) makes the question slightly softer or more inquisitive: 왜 집에 안 가니?
Dropping it entirely (왜 집에 안 가?) sounds blunter or more abrupt—but is common among very close friends or family.
How would I turn this into a past-tense question: “Why didn’t you go home?”
Change 가 to its past stem 갔 and keep 안 before it:
• Casual: 왜 집에 안 갔어?
• Polite: 왜 집에 안 갔어요?
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