Many universities offer free, downloadable grammar workbooks that are peer-reviewed and legal.
Most errors occur in the Past Simple, Present Perfect, and Future tenses. Focus on Seaton’s approach to time markers . Understanding the difference between "I have worked" and "I worked" is the first step to sounding like a native speaker. 2. The Power of Sentence Transformation focus on grammar anne seaton pdf free download extra quality
For classic texts that demonstrate perfect historical grammar. Many universities offer free