Well the Candombe drums are one.
Answer: Every proper sentence in Spanish must have a subject and a verb. There is also a proper place for subjects and verbs in a sentence. Begin a sentence with the subject (the person, place, or thing you're talking about). Follow that with the verb, and then the rest of the sentence (where, how, etc).
Answer:
1. Sobrino 2. Primos 3. Abuelita 4.Sobrina
