〜たら

Means if or when something happens.

N4conditional

Examples

電車が止まったら、駅員に聞いてください。

でんしゃが とまったら、えきいんに きいてください。

If the train stops, please ask station staff.

結果が出たら、電話します。

けっかが でたら、でんわします。

When the results come out, I will call.

Meaning

〜たら means "if" or "when" and is very common in spoken Japanese.

Usage

Use the plain past form before .

PatternMeaning
Verb past + らif or when someone does
い-adjective past + らif or when it is adjective
Noun/な-adjective + だったらif it is noun/adjective

Notes

〜たら is flexible and natural for plans, instructions, and possible future situations.