Oxford Practice Grammar Basic is divided into units, each of which covers an important grammar topic. Each new topic is presented on a left-hand page and the practice section follows on the same page or the facing page. This makes it easy to use because you can look across to the explanation while you are doing the exercises. The flexible format means that you can either work through the books or choose the order in which you want to study thegrammar topics, perhapsstarting with those that are giving you problems. The tests at the end of each unit or section mean you can see how much you have learned. When you've finished the book you can try the exit test so you know you are ready for Oxford Practice Grammar Intermediate.