Learning English as a second language is seen by many as a skill. But others believe the skills are improved through knowledge of grammar, vocabulary, grammar rules, and so on. Some people learn to speak English without ever learning its structure or syntax. These people may be able to use the language fluently but still struggle with understanding what they are reading because they have not learned how words interact in different sentence structures. Other people may be fluent in both written and spoken English but still lack some ability to...