Also explain the difference between the two, thanks. I know (about) this difficulty/problem. Why would you have a problem with this?
However, i am having trouble figuring out why (or whether) this is the correct way to write the sentence,. For me, know implies knowledge of details or individual pieces, while am aware of implies a knowledge only of a whole. Can it be used in formal conversation/writing?
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. In (2), however, the object of. I saw this sentence in the book 1q84: What is the correct usage of phrase you don't know what you don't know?
It's not just you that don't know. Using your example, knowing my rights means that i know i have. Alright, well, for example, like on saturdays, y’know, what i liked to do. 'know of' is used when you have personal.
In the first sentence, it seems to me that to know expresses that the speaker experienced the problem/difficulty.