Possibly, i do know that can in fact only be used, when, you are answering the question of whether or not you know the issue at hand (or your knowledge has been called in. Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions. In the first sentence, it seems to me that to know expresses that the speaker experienced the problem/difficulty.
In (2), however, the object of. Using your example, knowing my rights means that i know i have. For me, know implies knowledge of details or individual pieces, while am aware of implies a knowledge only of a whole.
Also explain the difference between the two, thanks. Can it be used in formal conversation/writing? It's not just you that don't know. 'know of' is used when you have personal.
Why would you have a problem with this? Alright, well, for example, like on saturdays, y’know, what i liked to do. What is the correct usage of phrase you don't know what you don't know? Please let me know as soon as you figure it out.
I know (about) this difficulty/problem.