Grammar tour offers a tour' of the main points of grammar necessary for students studying english from lower elementary level (cef a1) to the level of cambridge esol pet and beyond (cef b1+). grammar tour also offers a tour' of aspects of british life and culture with exercises based around many topics. grammar tour can be used as the basis of a course, following the units in sequence as a supplement to a main coursebook as a reference and exercise book for home study features: 132 two-page units focusing on one area of grammar. the units are grouped into 12 grammatical categories. each unit contains theory points on the left-hand page followed by related exercises introductory section of 17 units, which covers the basics of english grammar a variety of more than 1,000 exercises presented