Distinguishing between Prepositions, Conjunctions, and Particles (especially не/ни ).
In the quiet town of Verbotown, a 7th grader named Alexei sat at his desk, staring at a sentence that seemed to change every time he blinked. He was preparing for a test using , which focused heavily on the trickiest parts of speech for his grade: Participles (причастия) and Gerunds (деепричастия). otvety na testy po russkomu iazyku 7 klass egorova
Punctuating sentences with participial and gerundial phrases (причастные и деепричастные обороты). 7 класс / Сост. Н.В. Егорова. - М. Егорова
As he turned the page of his workbook, the challenge shifted to and Service Parts of Speech like prepositions and particles. He had to decide between не and ни . He whispered a rule to himself: "Use не for basic denial, but ни when you want to make that denial even stronger." It acted as a "secondary action
Suddenly, a (деепричастия) skipped into the sentence: увидев (having seen). Unlike the participle, this word was stubborn and never changed its ending . It acted as a "secondary action," telling Alexei when or how the main action happened.