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 experience with wha...

Possible duplicate of "Know about" vs. "know of". Also What are the differences between “know”, “know about”, and “know of”? on English Language Learners, which is probably a better site for questions …

Feb 25, 2012 · What is the correct usage of phrase "you don't know what you don't know"? Can it be used in formal conversation/writing?

Jun 9, 2024 · Why do you think that He doesn't know him from his schooldays means that he does know him? It would only have that sense if you added something like In fact, he first met him at university.

Jul 17, 2022 · In my understanding, ' as we know it ' usually follows a noun phrase and means like The building as we know it = the version/condition of the building we know now. First, I'm not sure about …

Recently, I talked to a native speaker about the proper usage of the word “kindly”. I frequently use phrases like “kindly let us know whether you agree with the suggested approach” in business let...

D: How d'you know? = How do you know? because C's sentence is present tense. E: I'll shoot my girlfriend if she cheats on me. F: How'd you know? = How would you know? because E's sentence is …

Mar 25, 2015 · 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 …

Feb 23, 2015 · 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 know is …

My question is about similar (for me) question forms "don't I know you" and "do I know you". Is there any difference between them or can they both be used in the same context without any exceptions?