Lessons are then tailored to your individual goals. Including grammar, vocabulary, pronunciation, conversation and practice presentation. You get immediate feedback to practice improvements. So you can identify common errors and correct them. Plus to practice new material. You can also bring your own study materials too.
Lessons can also include practical theory that is the foundation of correct grammar and vocabulary. Including word roots, related words, prefixes, suffixes and idioms to help you greatly expand your functional vocabulary and useful range of expression.
Lessons can also focus on specialized subject matter. Including writing and academics. Such as science, history and geography. Plus business subjects too. So you can practice your English by talking about subjects you already know. Plus get practice to be able to quickly chat about subjects you have just read about or talked about.
Additionally lessons can also focus on pronunciation. Where small changes that are not necessarily so difficult can fairly quickly lead to great improvements in your speaking ability. And help make it clear that your English is highly fluent.