A dynamic grammar practice/resource book which focuses on the main verb tenses of English. Avoids simply 'presenting' students with a list of rules to learn, encouraging them instead to 'discover' the rules through an inductive problem-solving approach. The first part of the book contains an answer key for each activity, and Teacher's notes; the second part consists of photocopiable worksheets. Ideal for use with Intermediate and Upper-Intermediate students.