So anyway, I think the beast forms of the druid are great for battle, but outside of battle, they should be limited to what that particular beast can do, with their physical form. This would force the druid to come out of the form to do mundane tasks, or have another party member perform them, which would make sense.
If you try to talk to someone while in an animal form, obviously you can't speak, so the game gets another character to do the talking for you.
As for lighting candles, reading books, opening doors, that cat video says it all! :P