Questions & Answers about Saya bicara bahasa ibu di rumah.
Both bicara and berbicara are correct here:
- Saya bicara bahasa ibu di rumah.
- Saya berbicara bahasa ibu di rumah.
They mean the same thing: I speak my mother tongue at home.
Nuance:
- berbicara is a bit more formal and is common in writing, news, speeches, or polite conversation.
- bicara is slightly more neutral/colloquial and is very common in everyday speech.
So for this sentence, you can safely use either one.