6.
A: What has happened?
B: I guess the picture
. (fall, down)
A: What has happened?
B: I guess the picture
has
fallen
down
. (fall, down)
A: ¹«½¼ ÀÏÀÌ ÀÖ¾ú¾î¿ä?
B: ±×¸²ÀÌ ¶³¾îÁø °Í °°¾Æ¿ä.