Quantitative adjective in Spanish: cada and todos/-as for "every" in time phrases (Adjetivo cuantitativo)

Question 1

cada

Answer 1

every/each

Question 2

todos/-as

Answer 2

every/each

Question 3

How to use “cada”?

Answer 3

“cada” is invariable and is always followed by a singular noun or a number plus plural noun.

Question 4

Voy al gimnasio cada miércoles.

Answer 4

I go to the gym every Wednesday.

Question 5

Me ducho cada mañana.

Answer 5

I have a shower every morning.

Question 6

How to use “todos/todas”?

Answer 6

“todos/todas” are followed by the plural definite article (los/las) agreeing in gender and number with the noun.

Question 7

Pedro está en casa todas las mañanas.

Answer 7

Pedro is at home each/every morning.

Question 8

Voy a nadar todos los miércoles.

Answer 8

I go swimming every Wednesday.

Question 9

Laura pasea al perro todas las tardes.

Answer 9

Laura walks the dog every afternoon.

Question 10

Are cada and todos/todas interchangable?

Answer 10

Yes

Question 11

Are cada and todo/toda interchangable?

Answer 11

No. Since the plural definite article will not match up, these two are not interchangable.

Ex. Creo que ella va a estar en el centro -todo- el día.

I think she will be in the center all day.

vs

Creo que ella va a estar en el centro todos los días.

I think she will be in the center every day.