How to Say ‘Once the number of people is confirmed’ in Japanese
人数が確定しましたら
ninzuu ga kakutei shi mashi tara
[neen-ZOO ga kah-koo-TAY shee mah-shee tara]
💬 Usage Tip: ましたら attached to a verb means "once ... happens" and is a polite form of たら. You can reuse it, as in 着きましたら "once I arrive".
Phrase Breakdown
人数が
ninzuu ga
the number of people (subject)
人数 (ninzuu) means the number of people. Hold the long 'uu'. Say 'nin-zuu-ga'.
人数が多いです。
There are many people.
Words in this phrase
人数
ninzuu
[neen-ZOO]
number of people
Headcount of a group, e.g. for a reservation.
人数を教えてください。
Please tell me the number of people.
が
ga
[ga]
subject marker
A particle marking the subject of the sentence.
興味がある分野を教えてください。
Please tell me the field you are interested in.
確定しましたら
kakutei shi mashi tara
once it is confirmed
確定 (kakutei) means confirmation or decision. しましたら is the polite form of 'once/if it is done'. Say 'ka-ku-tei-shi-ma-shi-ta-ra'.
日程が確定しましたら、お知らせします。
Once the schedule is confirmed, I'll let you know.
Words in this phrase
確定
kakutei
[kah-koo-TAY]
decision; finalization
Becoming fixed or settled; with する, 'to be finalized'.
日程が確定しました。
The schedule has been finalized.
し
shi
[shee]
do (stem)
Verb stem used as part of the fixed polite request phrase.
注文をお願いし、ます。
I would like to place the order, please.
まし
mashi
[mah-shee]
polite past marker (part of ました)
「まし」 is part of 「ました」, the polite past tense. It makes the question polite (common in medical settings).
さっきはきましたか。
Did you vomit a moment ago?
たら
tara
[tara]
if; when
Conditional ending used to express hope: if it happens, that would be nice.
また相談できたら うれしいです。
I would be happy if I could consult with you again.
Get the Full Learning Experience
This lesson is just a preview. Download PrettyFluent to practice pronunciation, roleplay conversations, and master vocabulary with spaced repetition.
Pronunciation Feedback
AI-powered feedback on what you say out loud
Spaced Repetition
Retain vocabulary long-term with smart practice
Immersive Roleplaying
Practice real conversations with AI partners
Lessons for Your Situation
Request lessons tailored to your specific needs
Get Full LessonWhat Learners Are Saying
“Teaching in Osaka and I wanted to connect with my students beyond the classroom. The everyday conversation made my Japanese feel natural, not textbook-y.”
Mia S., 25, English Teacher
“I hop cities every few months and this is the only app that actually prepares me for living somewhere, not just visiting. Tokyo was the real test — passed with flying colors.”
James O., 28, Remote Worker
“I tried five different apps before this one. The roleplay conversations are what finally made things click. I actually remember what I learn now.”
Sofia R., 31, Marketing Manager