Questions & Answers about Masaya ang aso sa bakuran.
Where is the English verb is?
Filipino doesn’t need a separate be verb in sentences like this. Adjectives can be the predicate and come first: Masaya (happy) is the predicate describing ang aso (the dog). If you want an English‑like feel, you can use the inversion particle ay: Ang aso ay masaya sa bakuran. Note that ay is not be; it just flips the order and is more formal.
What does ang mean here?
Ang marks the noun phrase that the clause is centered on (often taught as the subject/topic). With common nouns it often corresponds to English the. So ang aso ≈ the dog. For plurals, use ang mga: ang mga aso.
Is ang aso definite, or could it mean a dog?
It’s typically definite/specific (the dog). To say a dog, use isang aso or may aso (there is a dog). For generic statements about dogs as a class, Filipino often uses the plural: Masaya ang mga aso sa bakuran (Dogs are happy in the yard).
What does sa mean in sa bakuran?
Sa marks locations (and other oblique roles), and is translated as in/at/on/to depending on context. Sa bakuran means in/at the yard. Don’t use ng for location; ng marks a different case (often a non‑pivot actor or possessor).