If you are a total beginner, this is for you. Here are some useful phrases that you can use without knowing how to speak the language.
I don’t know. No sé.
I don’t remember. No recuerdo.
I have a doubt. Tengo una duda.
I have a question. Tengo una pregunta.
What does it mean? ¿Qué significa?
How do I say this? ¿Cómo digo esto?
Could you repeat, please? ¿Podría repetir, por favor?
Could you speak slowly, please? ¿Podría hablar lentamente, por favor?
You also need to know some basic words to start studying Spanish:
Las vocales: the vowels
Las consonantes: the consonants
El acento: the accent
La palabra: the word
La oración: the sentence
Traducir: to translate
Deletrear: to spell
Los tiempos verbales: the verbal tenses