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 …

To know something is more long-term, perhaps after having realized it. The first definition for know is: to perceive or understand as fact or truth; to apprehend clearly and with certainty …

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?

Sep 25, 2010 · Have you ever had a case where you felt compelled to include strange things like a double that in a sentence? If so, then what did you do to resolve this? For me, I never knew …

May 26, 2019 · 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" …

Jan 3, 2017 · The sentence I'm writing goes like this: As much as I love the pure sciences, I know now a well-rounded education is valuable. But the words "know" and "now" are so similar that …

Apr 18, 2012 · Sometimes (well, often) people pretend not to understand what's going on (or pretend not to understand what the other person means, etc.) when in fact they do perfectly …

Jan 5, 2012 · I am a non-native speaker of English. When communicating with a professor, would it be better to use could you kindly send me the document or could you please send me the …

Sep 3, 2010 · @Laurel The thing is that “I know, right?” itself does not make much sense not in this way. Surely is the “right” a tag question, but the statement tagged to has been omitted by …

Oct 18, 2016 · Should I use "did you know" or "do you know" to introduce a fact? I've only seen "did you know" in action. My logical deduction is that before the "question" (which is not much …