It's not just you that don't know. However, i am having trouble figuring out why (or whether) this is the correct way to write the sentence,. In the first sentence, it seems to me that to know expresses that the speaker experienced the problem/difficulty.
Alright, well, for example, like on saturdays, y’know, what i liked to do. 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. Can it be used in formal conversation/writing?
I know (about) this difficulty/problem. What is the correct usage of phrase you don't know what you don't know? In (2), however, the object of. I already know how to turn on the television.
Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions. Why would you have a problem with this? I saw this sentence in the book 1q84: Also explain the difference between the two, thanks.
Please let me know as soon as you figure it out. I know how to drive a car.