The theory of three sentence relations („Satzverhaltnisse“), a predicative, an objective and an attributive, which was developed first by Karl Ferdinand Becker (1775–1849), an original linguist of the 19th century, can be seen beyond the first editions of Raphael Kuhner’s great Greek and Latin syntax, published in 1834–1835 and 1878–1879. Basically these relations consist of binary principles, for instance of subject and verb in the predicative relation. According to Perceival (1976), this theory was also adopted by Leonard Bloomfield through the influence of the great German psychologist Wilhelm Wundt (1904) and can be considered the main source of his concept of constituent structure which later became an important sentence theory of American structuralism. According to Knobloch (1988, 435; 1992, 419), whom Welke followed (2007, 249 f.), Wundt took this theory over from Becker.