Using "¿qué? and ¿cuál? in interrogative sentences; You know them better as "questions".
Both ¿qué? and ¿cuál? mean "what?" in English, but the verbs in Spanish change depending on where they are used. " cuál " comes before the verb ser for the most part, or it comes before a posted selection. If before a posted selection, it takes the meaning of the English "which?". ¿Cuál fue la mejor parte de la película? What was the best part of the movie? ¿Cuál es el día de hoy? What is today's date?, What's today?, or What day is it? ¿Cuál vestido quieres usar, el azul o el blanco? What (which) dress do you want to wear, the blue or white one? When we want to refer to several objects, we use ¿cuales? . Since the penultimate syllable is naturally accented here, we drop the diacritical mark, and make ser the third person plural conjugation: ¿Cuales son los restaurantes que a ti te gustan más? What are the restaurants that you enjoy the most? Qué is used for only specific grammar utterances when meaning what? We use qué when telli...