: A popular four-volume series by Shaykh Abdus Sattar Khan that uses a gradual approach to teaching grammar and vocabulary. You can find it on FutureIslam The Science of Sarf (Level One)
: Verb conjugations, past/present/future tenses, active/passive voice, and derived nouns. sarf and nahw books pdf english work
For worked examples / answer keys , look for: : A popular four-volume series by Shaykh Abdus