G for Grammar - F for Fun, Vols. 1 & 2
"G for Grammar - F for Fun" is a collection of illustrated grammar worksheets for students with an elementary (Vol. 1) to intermediate (Vol. 2) knowledge of English. Each worksheet focuses on one specific grammatical structure. Some worksheets contain annotations or short grammar notes in German but can be used by speakers of any language anyway.
English Grammar Workbook (2020) This English Grammar Workbook Will Enable You to Make Your Way Through the Intricacies of the English Language and Achieve Grammar Greatness Within No Time. Do you wish to sharpen your English grammar to be able to improve your communication? English is a diverse language, and mastering, it could be a real challenge. But don't worry because you need a little push in the right direction and practice to be able to communicate better.