sabemos por qué lo hicisteis

we know why you did it

→ saber
phrase Rare #34,835
we know why you did it Here, hicisteis is the plural past form of 'you did' (used for 'you all' in Spain).
SP: Sabemos por qué lo hicisteis ayer.
EN: We know why you did it yesterday.

Todos nosotros sabemos por qué lo hicisteis.

We all know why you did it.

Todas sabemos por qué lo hicisteis.

We all know why you did it.

Todos sabemos por qué lo hicisteis.

We all know why you did it.

Todas nosotras sabemos por qué lo hicisteis.

We all know why you did it.