Mihail

Hi, dear colleagues. Just wanted to explain to my son the correct way to express something in English. For example, I work in a library. I've been working there for 5 years. Can I write it this way - "I'm working in a library. I've worked there for 5 years." Is it the same and correct or not? Another case. "People use these objects as bookmarks". Or "people are using these objects as bookmarks"? Which one is correct? And when I should use "I work" and when "I'm working" in general? Thanks in advance.