The properties of German as a special language of mechanical engineering are examined on the basis of a newly compiled corpus including samples from all important disciplines and discourse styles. The syntactic, semantic, and pragmatic aspects of passive voice are the chief research goal. (Contains five references.) (Author/LB)

The early computer-assisted-language-learning (CALL) programs were silent and mostly limited to screen or printer supported written text as the prevailing communication resource. The advent of powerful graphics, sound and video combined with AI-based parsers and sound recognition devices gradually turned the computer into a rather anthropomorphic…