The world's best-selling grammar series for learners of English. Basic
Grammar in Use Fourth Edition is an American English self-study
reference and practice book for beginner level learners (A1-B1). With
simple explanations, clear examples, and easy to understand exercises,
it is perfect for students who are learning on their own, but can also
be used in the classroom. It comes with an easy to use answer key in the
back of the book.