Is it you would do good or you would do well?

Answer:
In most instances, it would be 'you would do well'.


UNLESS you are doing good deeds -- then it would be "You would do good," as in "You would do good instead of evil."
First answer by Squirrel Man. Last edit by Darksyde. Contributor trust: 1165 [recommend contributor recommended]. Question popularity: 1 [recommend question].