Practicing English. Grammar Minimum

"Grammar Minimum" is a reference book for everyone learning English. It covers the main sections of grammar, provides explanations, and analyzes typical mistakes made by almost all learners of English. After each section, you can practice and complete exercises, and then check your answers with the keys located at the end of the book.
The highlight of this course is a unique table of irregular verbs, grouped according to a specific principle for faster and easier memorization. The proposed scheme will help you remember all these tricky words in a matter of minutes, just like the multiplication table!