Stronger students need to start reading English short stories and novels. It will help you to develop an English narrative voice in your head that you can't get from memorizing rules. The best way to absorb usage and style habits is from reading the best English writers. Every day.

Finding their weaknesses and changing them. How can a teacher help a strong student to improve their language skills? Your problems are in grammar and dropping articles.

They need to be extended by giving them more advanced work to do or even to attend a class one year higher than their own.