日本語 Japanese Ask Questions Thread 4

If you have a question about the language, ask it and fellow 4channers might see it and answer it for you.


Japanese Ask Questions Thread2
http://dis.4chan.org/read/lang/1206158123/1-40

Japanese Ask Questions Thread3
http://dis.4chan.org/read/lang/1267485093/1-40

I don't see it too often, but I'm having a little trouble with sentences that end like ~だろうに　or ~でしょうに.  I know ~だろう or ~でしょう can mean a bunch of things, mainly along the lines of "it seems", "probably", "right?", but the に at the end confuses me.