Ability : I can speak english very well, she's able to speak Japan fluently, he could play soccer well , she could fix this machine , I can do the test in 30 minutes
Ability : She can finished the exam in 15minute , she can cook Japanese food very well, I can run 10km/h , my father can drive from Ubud to Buleleng without break, my mother can speak Balinese very well

unability : She can't finish her homework , she's not good in mathematic ,  Lila can't run 2km/h , my little brother broked her toys but he can't put them back , he can't speak japanese