What is this in english

Read the sentences and choose the correct categories of the verb ser used in the sentences. marta es mi mamá y es paciente. date and personality characteristics relationship and time origin and date relationship, personality characteristics

What is the answer to cuando as el cumpleanos de sergio

3. ¿ hermanas tienes? --tengo tres hermanas, a. cuándo b. cuánto c. cuantas d. cuál