Hello Velimir, Grammar buffs will tell you that there are occasions where the two are not interchangeable. The one I remember particularly is where you are describing an incident. The fire was raging but I couldn't open the door.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
VelimirWe could have done it either way.1. We had the choice of doing it either way.
VelimirWe were able to do it either way .
CliveHi,Have I understood well that the s
I was able to open it with a fork as well. Sounds like you are saying that a knife was not sufficient, and you had to use a fork as well. In oter words, it sounds like you actually did it.
VelimirThank you very much for your answers Thomas Thompion and CalifJim,
Those ambiguities are exactly the problem for me, specially in regard to expressing "past ability". In many situations I can't easily decide what "could" or "could have" really mean : "able", "possible" or "optional". I'm not really sure of the distinction you are making here, Velimir.