I am having a hard time knowing when to use a reflexive pronoun before a verb. I understand when they are used before reflexive verbs but I often see them in front of non reflexive verbs too.
For example, here is a paragraph from a story I had to read for my Spanish homework.
La tradición de día de los muertos tiene su origen en una celebración indígena. Se celebra principalmente en Mexico y Estados Unidos
- Why do you have to put "Se" in front of celebra- "Se celebra"?
- How does this change the meaning compared to if you just wrote "celebra"?
Another example, What is the difference in meaning between: Sí te puedes y sí puedes