Which subject pronoun would you see if you were speaking to these people: tú, usted, or ustedes?
1. La maestra de español ____
Answer 1: usted, because in Spanish, to speak to a teacher, the formal second person subject pronoun is used.
2. Tu amigo ___
Answer 2: tú, because in Spanish, to speak to a friend, the standard second person subject pronoun is used.
3. Dos amigos ___
Answer 3: ustedes, because in Spanish, to speak to several people, the formal second plural person subject pronoun is used.
4. El señor López ___
Answer 4: usted, because in Spanish, to speak to an older person, the formal second person subject pronoun is used.
5. Los padres de tu amigo ___
Answer 5: ustedes, because in Spanish, to speak to several people, the formal second plural person subject pronoun is used.
6. Tus amigos José y Paco ___
Answer 6: ustedes, because in Spanish, to speak to several people, the formal second plural person subject pronoun is used.
7. El doctor García ___
Answer 7: usted, because in Spanish, to speak to a doctor, the formal second person subject pronoun is used.
8. Tu mamá ___
Answer 8: tú, because your dad or your mom are the only elderly people with whom you can use the standard second singular person subject pronoun. But if they are together you should use the formal second plural person subject pronoun: ustedes.
Hope this helps!