An age-old approach of helping language students improve their performance is a technique known as choral drilling. This powerful old-school process is now seeing a new re-birth in online learning. 

Choral drilling is the language version of 'repeat until perfect' method that you see in physical sports such as martial arts, gymnastics, etc.
This is what helps jump your level of language production several levels in terms of lexical and grammatical accuracy and fluency. 

In other words, this will make your English level better, stronger, faster. If you feel a little nervous about speaking and writing in English, this will