Complex sentence: Because the grave-slabs for a succession of Abbot's and Prior's of Clonmacnoise remain extant, studies have revealed design patterns between individual grave-slabs which indicate the decorative inscription of "successors" tends to imitate those of a common "predecessor".
Split into simpler sentences: Because the grave-slabs for a succession of Abbot's and Prior's of Clonmacnoise remain extant, studies have revealed design patterns between individual grave-slabs. The decorative inscription of "successors" tend to imitate the decorative design of a common "predecessor".