Ключевые слова: adjective, adverb, chalk, class, classroom, communication, discussion, education, educator, elementary, english, foreign, grammar, interjection, knowledge, language, learn, learning, lecture, lesson, many, memory, noun, past, preposition, pronoun, punctuation, read, reading, rules, school, speak, speech, student, study, talking, teach, teacher, tense, test, thinking, university, various, verb, written,