Does it confuse dogs when you talk to them as if they were human - in a conversational way such as - "I'm going to cook dinner now or I have to leave soon. Of course they don't understand what is being said, but I wonder if they get certain feelings in the way it is said.
They definitely understand tones and feeling. My golden gets upset when we yell at football games on TV, and my Lab will come over whenever we laugh and get excited.

I don't think they understand when we talk to them, but they will listen nonetheless.
They can understand certain words like commands, but for the most part they react to the tones and intonations of our voice. They're also great at understanding our unspoken feelings and mood. When I'm frustrated I don't even have to talk to Sherlok. I can see it in his eyes he understands everything! Emotion: dog