Study and teaching English language -- 59 German language -- 43 Grammar 32 Grammar -- 31 French language -- 27 Pronounciation 21 more ... Spanish language -- 15 Pronunciation 12 Diplomacy -- 10 Spoken English 10 Listening 8 Textbooks for foreign speakers 8 Vocabulaire 8 Vocabularies 8 Exercises 7 Spoken English -- 7 Conversation 6 Speaking 6 Communication -- 5 English 5 Reading 5 Study and teaching -- 5 Textbooks for foreign speakers -- 5 Business English 4 Communication 4 Farewells 4 Spanish language 4 Spoken German 4 Vocabularies -- 4 less ...