Do not waste time reviewing concepts you already know. Start by writing a short essay or taking an advanced practice quiz. Identify your recurring errors—such as misplaced modifiers, incorrect conditional structures, or tense inconsistencies—and note them down. Phase 2: Active Mapping
Formal structures: "Never have I seen..." vs. "I have never seen..." Constantin-paidos-english-grammar-pdf
In, on, at, for, since, by. A massive reference table of verb + preposition combinations (depend on , laugh at , belong to ). Do not waste time reviewing concepts you already know