ので

Gives a reason or cause, often with a softer tone than から.

N4reasonconjunction

Examples

写真を撮りますので、ここで待ってください。

しゃしんを とりますので、ここで まってください。

Since we will take a photo, please wait here.

雨が降っていますので、気をつけてください。

あめが ふっていますので、きをつけてください。

Since it is raining, please be careful.

Meaning

ので gives a reason or cause. It often sounds softer and more explanatory than から, especially in polite speech.

Usage

Attach ので after the plain form. With nouns and な-adjectives, use なので.

PatternMeaning
Plain form + のでbecause / since
Noun + なのでbecause it is noun
な-adjective + なのでbecause it is adjective

Notes

In very polite service situations, you may hear ますので, as in 写真を撮りますので. This is common when staff explain the reason for an instruction.