5.5 い-adjectives
5.5.1 Dictionary form
Most of い-adjectives are pronounced with the falling pitch.
white
fun
busy
red
brown
Addition of the polite ending です does not change the pattern. です is pronounced L-L.
There are two accent patterns when an adjective modifies a noun.
5.5.2 Past tense form
かった is always pronounced L-L-L.
*English speakers tend to pronounce かった with H-L-L pattern. Try pronounce "か" with lower pitch.
(LHLLL)
exception
(HLLLL)