| (으)ㄴ 지 얼마나 됐어요? | How long has it been since... |
| ~(는/ㄴ)다 | Plain speech style |
| ~(으)ㄴ 지 [time span](이/가) 됐어요. | It has been ... since |
| ~(으)ㄴ/는지 알다/모르다 | Know/don't now whether |
| ~게요 | Asking about purpose |
| ~는 중이다 | In the middle of |
| ~대요/(이)래요 | Hearsay |
| 다가 | Movement from one action/state to another |
Drag corresponding items onto each other to make them disappear.
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