I promised to look into the case, and I did look into the case.
Ich versprach, den Fall zu prüfen, und ich habe den Fall geprüft.
I promised to look into the case, and I did look into the case.
En efecto, lo prometí, y así lo he hecho.
Ho promesso di studiare il caso, e in effetti l ’ ho fatto.
Ik heb beloofd naar de zaak te kijken en dat heb ik ook gedaan.
Prometi examinar o caso e de facto examinei-o.
Am promis să o fac, şi m-am interesat de caz.