Example sentences
Formation
(i) {V/Adjective い} | わけだ | |
{話す/話した}わけだ | Someone will talk/talked, as you know | |
{高い/高かった}わけだ | Something is/was expensive, as you know | |
(ii) Adjective な stem | {な/だった}わけだ | |
{静かな/静かだった}わけだ | Something is/was quiet, as you know | |
(iii) Noun | {である/だった (or であった)}わけだ | |
彼の責任{である/だった (or であった)}わけだ | Something is/was his responsibility, as you know |