This app provides a suite of grammar tests to help English learners improve their Grammar Skill. Each test consists of questions about grammar and sentence structure.
In each questions, there are four underlined words or phrases, exactly one of which contains an error. You will identify it by selecting one of the multiple options.
When you have finished all questions in a test, click the ‘Submit Test’ in the popup menu to see your score and the correct answers.
You don’t need to complete all the questions of a test in one go. You can switch to another test and later come back to it. The app will remember your answers and which question you were working on.