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... Nasdaq: CSS Profile: What You Need to Know About Filling Out the College Financial Aid Form CSS Profile: What You Need to Know About Filling Out the College Financial Aid Form Overwhelmed by the many, many, many 3D printable models out there? Check out this month's 50 cool things to 3D print! Ready to make your own flexible TPU prints?

Key Insights

Check out our list of cool things you can 3D print with TPU and other flexible filaments! 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... "Know about" vs. "know of" - English Language & Usage Stack Exchange Examples: I know (about) this difficulty/problem.

Final Thoughts

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. 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.