Study and teaching English language -- 50 German language -- 43 Grammar 31 Grammar -- 30 French language -- 25 Pronounciation 21 more ... Spanish language -- 14 Pronunciation 12 Spoken English 10 Listening 8 Textbooks for foreign speakers 8 Vocabularies 8 Vocabulaire 7 Conversation 6 Exercises 6 Speaking 6 Spoken English -- 6 English 5 Reading 5 Textbooks for foreign speakers -- 5 Spoken German 4 Vocabularies -- 4 Computer asisted information for foreign speakers 3 English language 3 French Language -- 3 Glossaries, vocabularies, etc 3 Spanish language 3 Study and teaching -- 3 Business French 2 less ...