Please see pictures. The Daily Grams workbook has not been written in. The author includes an answer key at the back of the book for easy checking. Approximately 15 pages of the almost 700 page workbook have been used. The pages that are marked include the Preposition Test pg. 47, Verbs Test pg. 163/165/167, Cumulative Test End of Verb Unit p. 179, Noun Test pg. 263/265, Cumulative Test End of Noun Unit 285/287/289, and End of Adjective Unit pg. 355/357/359/361.