Ibu memanggang kue manis di pagi hari.

Ibu can mean:

• Mother (as a kinship term).
• Ma’am/Mrs./Madam (polite address for an adult woman).

Context decides which one. In everyday speech, Ibu is also shortened to Bu as a respectful address. For a younger woman you’d typically use Mbak instead.

To make it explicit:

• ibu saya = my mother (neutral).
• ibuku = my mother (more intimate; using the suffix -ku).
• If you’re directly addressing your own mother, you can just say Bu/Ibu.

In writing, Ibu alone as a subject is ambiguous: it could be “Mother,” “a mother,” or “Ma’am.”

It’s capitalized here because it’s the first word of the sentence. In general Indonesian orthography:

• Capitalize kinship titles used as address or before names: Ibu, Ibu Siti.
• Use lowercase when it’s a common noun: ibu saya, ibuku.

Root: panggang (to roast/bake). With the active meN- prefix:

• The p in panggang drops.
• The nasal assimilates to m before a labial consonant.
• Result: memanggang. This is a regular meN- assimilation pattern in Indonesian.

Indonesian verbs don’t inflect for tense. Time/aspect is shown by context or particles:

• Progressive: sedang — Ibu sedang memanggang kue manis (is baking).
• Past: add a time word — Ibu memanggang kue manis tadi pagi (baked this morning).
• Future: akan or a time word — Ibu akan memanggang kue manis besok pagi (will bake).

Indonesian has no articles, so kue manis can mean a sweet cake, the sweet cake, or sweet cakes, depending on context. To be specific:

• One item: sebuah kue manis.
• Definite: kue manis itu/ini (that/this sweet cake).
• Plural: kue-kue manis, or use a quantifier like beberapa kue manis.

In Indonesian, descriptive adjectives usually follow the noun:

• kue manis = sweet cake(s). Putting the adjective before the noun is not the default pattern.

Use yang to specify or contrast a subset, or when the modifier is clause-like:

• Generic description: Saya suka kue manis (I like sweet cakes).
• Specifying among options: Saya mau kue yang manis, bukan yang asin (I want the sweet cake(s), not the savory one(s)).
• With relative clauses, yang is required: kue yang Ibu panggang.

Both are acceptable:

• pada pagi hari is more formal/prescriptive for time expressions.
• di pagi hari is very common in everyday Indonesian. In casual speech you can even drop the preposition: pagi hari.

Time expressions are flexible:

• Fronted: Di pagi hari, Ibu memanggang kue manis.
• Final position: Ibu memanggang kue manis di pagi hari. Fronting adds emphasis to the time.

In colloquial Indonesian, yes, especially in speech:

• Ibu panggang kue manis pagi-pagi. You’ll also hear progressive lagi: Ibu lagi panggang kue manis. Note that the standard form is still memanggang.

No. In di pagi hari, di is a preposition and is written separately. The passive prefix di- attaches to verbs (e.g., dipanggang) with no space. So:

• Preposition: di pagi, di rumah.
• Prefix: dipanggang, ditulis.