1.
A: How long
? (it, be, raining)
B: It
since this morning. (be, raining)
A: How long
has
it
been
raining
? (it, be, raining)
B: It
has
been
raining
since this morning. (be, raining)
A: ºñ°¡ ¿ÂÁö ¾ó¸¶³ª µÇ¾ú¾î?
B: ¿À´Ã ¾ÆÄ§ ÀÌÈÄ·Î ºñ°¡ ¿À°í ÀÖ¾î¿ä.