I wouldn't say it was. 'Since' refers to a point in time. 'For', on the other hand, refers to a period of time and doesn't have to be as well-defined: 'for ages', 'for a long time' 'forever', etc.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Pinenuta long time ago is an adverbial phrase and since is a preposition.An adverbial phrase can be a prepostional phrase eg, 'He did it on time'.
Therefore, a phrase made of a preposition followed by an adverbial phrase was not and is not acceptible.
pine
JussivePinenuta long time ago is an adverbial phrase and since is a preposition.An adverbial phrase can be a prepostional phrase eg, 'He did it on time'.
Therefore, a phrase made of a preposition followed by an adverbial phrase was not and is not acceptible.
pine
JussiveTake the bins out tomorrow.
Take the bins out for tomorrow.