Kalau saya haus, saya minum air.

If I am thirsty, I drink water.

Breakdown of Kalau saya haus, saya minum air.

• adalah: to be
• saya: I
• minum: to drink
• kalau: if
• haus: thirsty
• air: water

Questions & Answers about Kalau saya haus, saya minum air.

What does kalau mean here, and is it more like if or when?

Kalau introduces a condition. In many everyday sentences it can translate to either if or when, depending on context.
In Kalau saya haus, saya minum air, it often sounds like a general habit: When/If I’m thirsty, I drink water. Indonesian doesn’t force you to choose strictly between “if” and “when” the way English sometimes does.

Is kalau interchangeable with jika?

Often, yes, but the tone changes.

• kalau = more common in casual speech
• jika = more formal/written, a bit more “rule-like”
  So Jika saya haus, saya minum air is correct, just more formal.

Why is saya repeated? Can I drop the second saya?

Repeating the subject is very normal in Indonesian, especially when the sentence has two clauses. It keeps the sentence clear.
You can omit it in many contexts, especially in conversation, but it may sound slightly less explicit:

• Kalau saya haus, (saya) minum air.
  Keeping the second saya is perfectly natural and often preferred in careful speech/writing.

Why isn’t there a verb like am in saya haus?

Indonesian commonly uses adjective predicates without a copula (no “to be” verb).
So saya haus literally is I thirsty, but it means I am thirsty.
You’ll also see: Saya lapar (I’m hungry), Saya capek (I’m tired).

Does this sentence specify tense (present, future, etc.)?

Not explicitly. Indonesian often leaves tense to context.
This sentence can be understood as:

• a general habit: When I’m thirsty, I drink water.
• a future-ish plan in context: If I get thirsty, I’ll drink water.
  If needed, words like akan (will) or time expressions can clarify.

What part of speech is haus?

Haus is an adjective meaning thirsty. It functions as the main predicate in the first clause (saya haus).

Is air really “water”? It looks like the English word air.

Yes—Indonesian air means water. It’s a “false friend” with English.
Pronunciation is also different: Indonesian air is typically two syllables, like a-ir.

Is minum air the most natural way to say “drink water,” or can I just say minum?

Both are natural:

• minum air = explicitly “drink water” (clear what you’re drinking)
• minum = “drink” in general; the drink is implied by context
  If someone asks what you do when thirsty, minum air is very clear and common.

Can the word order be changed, like putting the kalau clause at the end?

Yes. Both orders are common:

• Kalau saya haus, saya minum air.
• Saya minum air kalau saya haus.
  Starting with kalau... foregrounds the condition; ending with it can feel more like adding extra info.

What does the comma do here? Is it required?

The comma separates the conditional clause from the main clause. In writing, it’s common (and often recommended) when the kalau clause comes first:

• Kalau saya haus, saya minum air.
  In informal writing (texts/chats), people may omit the comma, but the meaning stays clear.

Would a native speaker use saya here, or aku?

Both are possible; it depends on formality and relationship:

• saya = neutral/polite, common with strangers, formal situations
• aku = informal, common with friends/family
  So you could also say: Kalau aku haus, aku minum air.