Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions. 'know of' is used when you have personal … · Know in (1) refers to the clause that comes right before it, so there's no pronoun necessary -- it's essentially a transform of I know it's your job. In (2), however, the object of … · What is the correct usage of phrase "you don't know what you don't know"? Can it be used in formal conversation/writing? · I saw this sentence in the book 1Q84: 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, … · 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 … For a non-native speaker like me, I am always wondering how to use you know correctly, as in the following sentence: Alright, well, for example, like on Saturdays, y’know, what I liked to do ... · Why would you have a problem with this? Please let me know as soon as you figure it out. I'm confused in whether to write know or knows in the following statement:- "The ones who are included know better."? Also explain the difference between the two, thanks. Examples: I know (about) this difficulty/problem. I know (about) Engineering. In the first sentence, it seems to me that "to know" expresses that the speaker experienced the problem/difficulty … 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.
