Complex sentence: Genitival constructions are syntactically very unusual when compared to non-Celtic western European languages, having been frequently compared with the construct state in Afro-Asiatic and particularly Semitic languages.
Split into simpler sentences: Genitival constructions are syntactically very unusual when compared to non-Celtic western European languages. They have frequently been compared with the construct state in Afro-Asiatic and particularly Semitic languages.