Grammar › N3 · 08 Opinion, necessity & cannot-help

〜わけだ: that is why; no wonder

N3 · 08 Opinion, necessity & cannot-help

Presents a result as a natural consequence of known facts.

Plain form + わけだ; na-adjective な, noun の. Means "so that explains it". Negative 〜わけではない is "not necessarily". Different from a plain reason (から).

Examples

毎日まいにち練習れんしゅうしたから上手じょうずなわけだ。

He practiced every day, so no wonder he is good.

なるほど、道みちが混こんでいたわけだ。

I see, that is why the road was crowded.