'know of' is used when you have personal experience with wha. For me, know implies knowledge of details or individual pieces, while am aware of implies a knowledge only of a whole Using your example, knowing my rights means that i know i have the right to remain silent, the right to be represented by an attorney, etc Being aware of my rights might mean the same thing, but implies that i know that i do have rights, but am not sure what those rights are. In (2), however, the object of know is not indicated, as you point out, so something must be provided. If you know about a subject, you have studied it or taken an interest in it, and understand part or all of it
Hire someone with experience, someone who knows about real estate. It's not just you that doesn't know Now, according to owl.purdue.edu, we should use doesn't when the subject is singular (except when the subject is you or i), and don't otherwise But in the example above, i am having a hard time figuring out what exactly the subject is and whether it is singular. Alright, well, for example, like on saturdays, y’know, what i liked to do. Also explain the difference between the two, thanks.
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 to question, and you are answering that challenge) Therefore, saying did you know asks if you have previously known something Do is the present tense, so saying do you know would ask if you currently know.
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