English Grammar In Use by Raymond Murphy. If you want to learn proper English this is the book for you. I advice to buy a paper copy. Many used on eBay.

Otherwise here is a LINK>
Note: you can browse and download it.

Here is free download link : https://drive.google.com/file/d/1wuPCLHPJhUtyL3vc8ij-611L3PQAzXAe/view?usp=sharing
I have a lot of English book files, if you need to leave gmail, I will send you