JLPT N5 - Grammar ๐ ใซใใ ni suru
Have you ever had a moment when you had to make a choice like picking a drink, deciding dinner, or choosing today’s plan…and thought,
“Ahh! How do I say this in Japanese?”
That’s when ใซใใ (ni suru) becomes your best friend!
ใซใใ means “to choose,” “to decide on,” or “to make something into a certain state.”
And guess what? You already make these kinds of decisions every day, choosing coffee, deciding your schedule, or even making your room clean (well… at least sometimes).
You’ll hear it everywhere, when you’re choosing food, deciding plans, setting times, or changing something on purpose.
It’s one of the most practical and super useful grammar patterns at the N5 level!
So!
Are you ready to start making decisions in Japanese like a natural speaker?
Let’s dive into ใซใใ and level up your everyday nihongo!



ใซใชใ (ni naru) vs ใซใใ (ni suru)
These two expressions look similar, but they describe very different types of change.
Understanding the contrast will help you sound much more natural in Japanese!
ใซใชใ (ni naru) - To become, to turn into (natural or automatic change)
This expression describes a change that happens naturally or as a result of circumstances.
No one is intentionally deciding it.
ๅคฉๆฐใใ้จใใๆดใใซใชใใพใใใ
ใฆใใ ใใใใ ใใ ใฏใ ใซ ใชใใพใใใ
tenki ga, ame kara hare ni narimashita.
The weather changed from rainy to sunny.
Use ใซใชใ when something simply becomes a new state on its own.
ใซใใ (ni suru) - To choose, to decide on (your intention)
This expression shows an active choice made by a person.
You use it when you decide or choose something intentionally.
ใณใผใใผใซใใพใใ
ใใผใฒใผ ใซ ใใพใใ
koohii ni shimasu.
I’ll have coffee. (I’ll choose coffee.)
Use ใซใใ when you actively make a decision or pick something from options.
ไปๆฅใฎใฉใณใใฏใฉใผใกใณใซใใใ
ใใใ ใฎ ใใใก ใฏ ใใผใใ ใซ ใใใ
kyou no ranchi ha raamen ni suru.
I’ll have ramen for lunch today.
ใปใผใฟใผใฎ่ฒใฏ่ตคใซใใใ
ใใผใใผ ใฎ ใใ ใฏ ใใ ใซ ใใใ
seetaa no iro ha aka ni suru.
I’ll choose red for the sweater color.
ใใฌใใฎ้ณใๅคงใใใใใ
ใฆใใณ ใฎ ใใจ ใ ใใใใ ใใใ
terebi no oto wo ookiku suru.
I’ll turn up the TV volume.
ๅญใฉใใฎ้จๅฑใใใใใใซใใพใใ
ใใฉใ ใฎ ใธใ ใ ใใใ ใซ ใใพใใ
kodomo no heya wo kirei ni shimasu.
I’ll make the child’s room clean.
ๆฅๅนดใฏใใใๅนดใซใใใ
ใใใญใ ใฏใใใ ใจใ ใซ ใใใ
rainen ha, ii toshi ni suru.
I’ll make next year a good year.
<Conversation Example>
A๏ผ
ๆฌกใฎๆ
่กๅ
ใฏใใฉใใซใใพใใ๏ผ
ใคใ ใฎ ใใใใใใ ใฏ ใฉใ ใซ ใใพใ ใ๏ผ
tsugi no ryokousaki ha doko ni shimasu ka?
Where should we choose for our next travel destination?
B๏ผ
ๆฅๆฌใซใใพใ๏ผ
ใซใปใ ใซ ใใพใ๏ผ
nihon ni shimasu!
Let’s go with Japan!

- Grammar Point: ใซใใ (ni suru)
- JLPT Level: N5
- Meaning: To choose, to decide on
- Quick Explanation: ใซใใ is used when you actively choose or decide something from a set of options. It’s perfect for ordering food, making daily choices, or deciding plans with friends.
So that’s how we use ใซใใ!
It’s a simple but super practical expression that helps you sound natural when making decisions in Japanese.
ๅฏใๆฅใซใซใใงใซๅ
ฅใฃใใใไฝใๆณจๆใใ๏ผ ใณใผใใผ๏ผ ็ด
่ถ๏ผ ใใใจใใใใพใใใใใใงใณใฌใผใใซใใ๏ผ
ใใใ ใฒ ใซ ใใตใ ใซ ใฏใใฃใใ ใชใซ ใ ใกใ
ใใใ ใใ๏ผ ใใผใฒใผ๏ผ ใใใกใ๏ผ ใใใจใใใใพใ ใปใฃใจใกใใใใผใจ ใซ ใใ๏ผ
samui hi ni kafe ni haittara nani wo chuumon suru? koohii? koucha? soretomo, amai hotto chokoreeto ni suru?
On a cold day, what would you order at a cafe? Coffee? Tea? Or maybe sweet hot chocolate?
Try using ใซใใ the next time you choose something. Even small things count!
Every little decision helps your Japanese grow more natural and confident.
Your Sensei,
Hikari ๐ฉ๐ป๐ซโจ
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