1. Introduction; 2. Designing a corpus; 3. Learning from a corpus: finding pattern in concordance lines; 4. Foundational quantitative concepts in corpus linguistics; 5. Exploring corpora through quantitative measures; 6. The language learner and the corpus; 7. Corpora and the analysis of discourse; 8. Further applications of corpus reearch; 9. Corpora and language theory; 10. Conclusion.