It would be great if there was a resource with real world examples, since I have this exact same problem.
https://shirazian.wordpress.com/2016/04/11/design-patterns-i...
It wasn't until I came up with my own real-world examples that were specific to my domain and really applied the design patterns in practice that I really started to understand everything. I don't think it's really the real-world example that helped so much as the actual process it took to arrive at an implementation.
there's a presentation https://pdfs.semanticscholar.org/242a/61777fd7f0f7ded8d9326e...
He was looking at the structure, and the patterns in real world systems
[1] https://www.martinfowler.com/articles/enterprisePatterns.htm...