Answer:
The right conjugation of the verbs "ser" or "estar" in each case are:
- Sonia está muy bien hoy.
- Las sillas están delante del escritorio.
- Ellos son estudiantes de sociología.
- Alma es de la capital de España.
- Son las diez y media de la mañana.
- Nosotras estamos en la biblioteca.
Step-by-step explanation:
The translation of trhe sentences is:
- Sonia is very well today.
- The chairs are in front of the desk.
- They are sociology students.
- Alma is from the capital of Spain.
- It's half past ten in the morning.
- We are in the library.
The use of the verbs "ser" or "estar" depends on the meaning of the sentence, explained below:
- "Ser" is a verb used to mention how is a noun regarding his physical and mental characteristics, professions and places of origin.
- "Estar" is used to mention where or how is a noun in a determined moment.
Taking into account the explanation above, we must see the right conjugation of those verbs in Present Tense:
- Yo soy/estoy.
- Tú eres/estás.
- Él es/está.
- Ella es/está.
- Ello es/está.
- Nosotros/Nosotras somos/estamos.
- Ustedes son/están.
- Ellos/Ellas son/están.
Finally, you should only pay attention to the personal pronoun that could replace nouns and use the appropriate conjugation for that pronoun.