Grammar English language 108 English 28 French language 27 German language 23 Spanish language 14 Usage 12 Rhetoric 8 Chinese language 7 Study and teaching 6 Problems, exercises, etc 5 Report writing 5 Errors of usage 4 Functionalism (Linguistics) 4 Syntax 4 Textbooks for foreign speakers 4 Variation 4 Vocabulary 4 Arabic language 3 Italian language 3 Latin language 3 Semantics 3 Sentences 3 Composition and exercises 2 Data processing 2 Foreign speakers 2 Grammar, Comparative 2 Grammar, Comparative and general 2 History 2 Intonation 2