Sentence examples for i know how did from inspiring English sources

"Now," said the neighbour, "as soon as one of you knows for sure whether his own forehead is smudged or not, he should drop his hand, but not before". After a moment or two, one of the men dropped his hand with a smile of satisfaction, saying: "I know". How did that man know that his forehead was smudged?

"I want to know, how did this happen?

But I want to know how does it work?

What do I know how to do?

Do I know how to do it yet?

"Do I know how to do it?

Don't I know how to do this already?

I'm doing everything I know how to do.

"I'll just do what I know how to do".

I know how to do it better, I know how to do it different.

I know how to do it now.