His research interests include corpus linguistics, EFL teaching, intonation, stylistics, syntax and text-linguistics. He is the author of 'Form and Function of Parasyntactic Presentation Structures' (2001), published by Rodopi Editions, and of 'Korpuslinguistik und Englischunterricht' ('Corpus Linguistics and English Language Teaching', 2002), published by Peter Lang. At present, he is working on a corpus-based study of English ditransitive verbs. Versions: