Focus on Grammar An Advanced Course for Reference and Grammar Welcome to the Focus on Grammar: Advanced Companion Website. Student Resources Writing Exercises The Writing Exercises give you more practice using the grammar you learned in each unit. Please select a unit in the "Student Resources" navigation area to the left. Each Writing Exercise has three parts: You write a short essay for each part. Finish each part and then click on "Next." After the third part, you will go to a summary page that shows what you have written. Review your writing and then click on "Submit for Grade" to send it by e-mail to your teacher.