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Learn, practice and master English grammar with Grammarism! There are 312,291 interactive exercises in 15,074 quizzes for 197 English grammar topics. The first tests have more simple and more basic questions that are suitable for beginner, elementary and intermediate level students. Teachers, adults, students, ESL, ESOL, EFL, TEFL stuff can improve learning/teaching English grammar with free online exercises of Grammarism.com!