1. A: Where you last night? You at home. B: Oh, I at work.

	A: Where were you last night? You weren't at home. B: Oh, I was at work.
	A: ¾îÁ¬¹ã¿¡ ¾îµð ÀÖ¾ú¾î? ³Ê Áý¿¡ ¾ø´õ¶ó. B: ¾î, ȸ»ç¿¡ ÀÖ¾ú¾î.