Example sentences
Formation
(i) {V/Adjective い} informal | か | |
{話す /話した} か | Either someone talks/talked or | |
{高い /高かった} か | Either something is/was expensive or | |
(ii) {Adjective な stem/ N} | {Ø/だった} か | |
{静か /静かだった} か | Either something is/was quiet or | |
{先生 /先生だった} か | Either someone is/was a teacher or | |
(iii) N1 か N2 | 先生か学生 | Either a teacher or a student |