If a language has a parts-of speech system of types 1-2/3, then it does not allow variation in the order of Head and Modifier within the predicate phrase.
Standardized
IF there is a parts-of speech system of types 1-2/3 and Predicate-initial basic word order, THEN there is no variation in the order of Head and Modifier within the predicate phrase.
1. For full reference about types of parts-of-speech systems see # 248.2. This is the summarized version of ##1027 and 1028.