A Practical English Grammar: Structure Drills 1 ," authored by A.J. Thomson and A.V. Martinet, is a classic supplementary resource designed for intermediate and post-intermediate learners to master English grammar through intensive, structured practice. Key Features
: Exercises on changing affirmative sentences to negative or interrogative forms Academia.edu Cross-Referencing
Finding the PDF is only step one. Here is a proven weekly schedule to transform those drills into real fluency.
Many public libraries offer apps like Libby or Hoopla. Borrow the eBook version of A Practical English Grammar or any modern equivalent (e.g., Oxford Practice Grammar) for free, then treat its exercises as drills.
Additions and Agreements: Learning how to use "So do I" or "Neither have I" correctly. Modal Verbs: Exercises on can, may, must, and have to. How to Use the Drills Effectively