Three patterns are required for your 4th dan grading, Sam-Il, Yoo-Sin and Choi-Yong. Below is a link to the videos for each pattern.
SAM-IL (33 Moves) denotes the historical date of the independence movement of Korea which began throughout the country on March 1, 1919. The 33 movements in the pattern stand for the 33 patriots who planned the movement.
YOO-SIN (68 Moves) is named after General Kim Yoo Sin, a commanding general during the Silla Dynasty. The 68 movements refer to the last two figures of 668 A.D., the year Korea was united. The ready posture signifies a sword drawn on the right rather than left side, symbolizing Yoo Sin's mistake of following his Kings' orders to fight with foreign forces against his own nation.
CHOI-YONG (46 Moves) is named after General Choi Yong, premier and commander in chief of the armed forces during the 14th century Koryo Dynasty. Choi Yong was greatly respected for his loyalty, patriotism, and humility. He was executed by his subordinate commanders headed by general Yi Sung Gae, who later became the first King of the Lee Dynasty.
Below is list of all set sparring requirements.
Three step sparring 1-10
Two step sparring 1-10
Syllabus one step sparring 1-5
Student’s own one step x5, including take downs. All from a punching attack.
Kicking one step 2 x front, 2 x turning, 1 x knee.
Additional three step sparring 1-6. All counters to followed with a take down.
Additional one step sparring (1). Any hand attack, any side
Additional one step sparring (2). Any leg attack, any side