The conjunctions 다가, 어다가 and 었다가
There are lots of grammatical patterns in Korean, and a lot of them show how one event follows another. For instance: -어서, -고, -자, -자마자, -고 나서, etc. Well 다가 pretty much does the same thing, but with a twist. You see, 다가 is used when the first action is either interrupted or completed before …