Well bullshit! It’s not true. You never finish. And in fact you have to focus on the basic
things, the most frequent, core, fundamental, important parts of the language. You have
to focus on them every day, you never stop. Yes, you’ll start to learn some advanced
vocabulary. Yes, you’ll learn some of that great advanced grammar that you always
want to learn. But that stuff is just extra. Always, the core, main focus of your learning
must be the fundamentals, the high frequency words, the most common grammar
structures, and the basic pronunciation of the language. You never stop practicing
those. You never stop improving them. Every day you continue to focus on them