asegurarse

Quiero asegurarme de que todo está en orden.

I want to make sure that everything is in order.

Asegúrate de cerrar la puerta con llave.

Make sure you lock the door.

Antes de salir, se aseguró de apagar las luces.

Before leaving, she made sure to turn off the lights.

Nos aseguramos de llegar con tiempo al aeropuerto.

We made sure to arrive at the airport in good time.

¿Te has asegurado de que nadie nos sigue?

Have you made sure that nobody is following us?