Do you know that he will be our coach? Do you know if he will be our coach? I think both sentences are grammatically ok, just meaning two different things.

Understanding the Context

In the first sentence, it's decided th... Brand New Day shows Stranger Things actress Sadie Sink in costume for the first time — and fans say the picture all but confirms who she's playing. 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...

Key Insights

"Know about" vs. "know of" - English Language & Usage Stack Exchange 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 before while "to know about" only expresses that the speaker has heard or read about it. to know vs to know about - English Language & Usage Stack Exchange Earth is the only planet we know of where life exists.

Final Thoughts

This sentence is from the commentary of Planet Earth. Why it is know of in this sentence? Can it be know about? What’s the difference bet... “know of” vs “know about” - English Language & Usage Stack Exchange 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.