This comprehensive case study of a systematic shift in object expression provides insight into the construal of a class of two-place activity verbs in the history of French and proposes that a change in the prepositional system underlies the shift. The book focuses on nineteen verbs of helping and hindering whose single internal object shifts from indirect to direct object during the 15th and 16th century. It describes how these verbs are distinguished from all other verbs that take indirect objects in French and explains why only their indirect object was the target of change. Troberg offers...