Syntactic movement is dictated by rules traditionally called t__

Syntactic movement is dictated by rules traditionally called t___________ rules, whose operation may change the syntactic representation of a sentence.
【正确答案】：transformational
【题目解析】：句法学内，某些句子（如被动句，疑问句等）无法用组合规则来解释，因为其在句子内部出现了句法移位。句法移位是指句子内某一成分由原来的位置移动到新的位置，其移动也必须遵循相关规则，即转换规则。