Cada
With cada, in addition to indefinite information, you can also make certain regular statements. It is a constant determiner, always in the singular.
In the case of indefinite information, cada means everyone:
Cada alumno recibe una buena nota.
To express regularities in time terms, cada can also be used.
It is then used in the meaning of all.
Cada fin de semana vuelve a casa.
Fixed phrases
Cada vez – every time
Cada vez más – more often / always more
A cada rato – every moment
Cada dos días – every two days, every second day
Und de cada – from each one
Uno de cada cuatro – every fourth