〜ものだから
JLPT N3:because (as an excuse)
Gives a reason as an explanation or excuse, often for something you could not help: "because", "you see".
How to form it
- Put the plain form before ものだから: 電車が遅れたものだから.
- Nouns and な-adjectives take な: 忙しかったものだから, 暇なものだから.
- In conversation it is often もんだから or もので.
Examples
電車が遅れたものだから、遅刻してしまいました。
The train was late, you see, so I ended up being late.
忙しかったものだから、行けなかった。
I was busy, so I couldn't go.
Notes
- The second half explains what happened; it is not used before a request or command.
Common mistakes
- Confusing it with 〜ものの (although).
Similar meaning
- 〜のでbecause (softer)
A soft, neutral "because".
Same form, different meaning
- 〜もののalthough
ものの: "although".