auxiliary subject
1.He - probably swayed by prudential consideration of the folly of offending a good tenant - relaxed a little in the laconic style of chipping off his pronouns and auxiliary verbs, and introduced what he supposed would be a subject of interest to me, - a discourse on the advantages and disadvantages of my present place of retirement.
2.He--probably swayed by prudential consideration of the folly of offending a good tenant--relaxed a little in the laconic style of chipping off his pronouns and auxiliary verbs, and introduced what he supposed would be a subject of interest to me--a discourse on the advantages and disadvantages of my present place of retirement.
4.We can prove by using the connection and comparison of the language that the word "de" in the sentence structune is not an auxiliary word referring to the word group consisting of a modifier and the word it modifies, nor is the word group structure consisting of a modifier and the word it modifies or a composition of substantive simply. Instead, they are comparatively special subject-predicate sentence pattern, in which the relationship between N and V is various.
