Since English has become the global language, literally everyone who wants to advance above lower middle-management has to learn to read, speak, and understand it. Writing is the most difficult of the four skills and many students never do manage to master it. Fortunately, there are online editing services. Clarify my experience Teaching English just sort of seeped into my blood. To date, I have lived and worked in Nigeria, China, Morocco, Chile, Cambodia and, most recently, online. I started to see patterns with the students, even if there were from different countries, languages, and cultures. Over the course of the years, I have also developed a lot of ESL materials, including an Executive Business English course when I lived in Morocco. The flip side of teaching English is that I am living in South America and studying Spanish. I have reached the point that I can babble away en Espanol and people will eventually understand what I want - even if I have to say the same things ...