the infinite version of the verb ends with “se”
when you conjugate it, it can end or start with “me(yo), te(tu), se (el/ella/ellos/ellas/ud/uds), os (vosotros), nos (nosotros)”
example - levantarse
me levanto
te levantas
se levanta
os levantéis
nos levantamos
se levantan
