Internationally, having an intermediate level of English proficiency has become necessary for many employment opportunities. English is also often required for travel, study, and use of technology. It is the dominant language of the internet and mobile applications. Good language teachers understand different learning styles and methods in order to give students the best chance of success. When teaching English language learners, there are several important principles to follow like making content comprehensible, increasing interaction and higher-order thinking skills, and incorporating students' native languages.