This article series aims to eliminate usage errors and help non-native speakers to write clearly and fluently. We suggest that you always do proper research and use style guides effectively. For anything you are not sure of, feel free to ask us.
Do not use “since” to mean “because” if there is any chance of ambiguity. In the example below, “since” could mean “because” or “from the time that.”
Since we won the game, we have been celebrating with a pitcher of root beer.”
Use “Because we won the game, we have been celebrating with a pitcher of root beer.”
A Writer’s Reference by Diana Hacker [Sixth Edition]