Answer:
1. Carlos y yo no conocemos a nuestra bisabuela.
2. Esteban sabe la respuesta a la pregunta del profesor.
3. ¿Uds. saben tocar un instrumento musical?
4. ¿Tú conoces a los padres de tu novio?.
Step-by-step explanation:
At the time of completing a sentence, it is important to identify the person, the gender, the number and the time in which it is raised, that way we are facilitated how we can conjugate the verb within the sentence.