How to Say ‘I'll call you when they arrive.’ in Japanese
来たら電話するね。
ki tara denwa suru ne
[ki tara denwa suru ne]
💬 Usage Tip: [来たら] means "if/when they come," and the main action comes after it: [来たら電話する] = when they come, I'll call. This pattern is very common: [終わったら帰る] = when it's finished, I'll go home.
Phrase Breakdown
来たら
ki tara
if/when you come
Conditional form meaning “if/when someone comes.”
来たら教えてください。
Please tell me when you come.
Words in this phrase
来
ki
[ki]
come
The verb part from 来る, used here in the conditional form 来たら meaning when someone comes or arrives.
家に来たら電話するね。
When I get home, I’ll call you, okay.
たら
tara
[tara]
if; when
A conditional ending meaning if or when, making 来たら mean when I come/arrive.
家に来たら電話するね。
When I get home, I’ll call you, okay.
電話する
denwa suru
to call by phone
Means to make a phone call.
あとで電話します。
I’ll call later.
Words in this phrase
電話
denwa
[denwa]
phone; telephone call
A noun used with する to mean make a phone call.
家に来たら電話するね。
When I get home, I’ll call you, okay.
する
suru
[suru]
to do; to make
A verb used here with 電話 to mean to call.
家に来たら電話するね。
When I get home, I’ll call you, okay.
ね
ne
[ne]
okay?; you know; soft emphasis
A sentence-ending particle that sounds friendly and reassuring.
家に来たら電話するね。
When I get home, I’ll call you, okay.
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