Respuesta:
We did it last week
negative is:
We didn´t do it last week
otros ejemplos:
I did not do my work. No hice mi trabajo.
You didn't do that. No hicistes eso.
He didn't do his best. No hizo lo mejor posible.
She didn't do the shopping. No hizo la compra.
It did not do any harm. No hizo ningún daño.
We didn't do anything. No hicimos nada.
You didn't do your homework. No hicisteis vuestras tareas.
They did not do the accounts. No hicimos las cuentas.
