Easy question, I need responses when - you know and don't know an answer?

I just I need as many responses as you can think of for when

1. you know an answer
ex : I knew that, that is correct, that is true,correct

2. you don't know answer -
ex: I'm not sure, I have no idea, not sure, I'm clueless

3. just learned an answer
ex: I did not know that, that's interesting, that's cool

Any contribution is greatly appreciated, thanks in advance.
Asked May 14, 2015
Hi , if you know how to sew can you please see my question about my disassembled bobbin, it would really help. A lot,
1. of course, absolutely, yes
2. you learn something new everyday, imagine that
3. thank you that was fascinating, wow, i'll keep that in mind, good to know
Answered Jun 16, 2016

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