He knew rainsford would come back to the chateau later that night
<em>Nethergrave</em> is a short story written by author Gloria Skurzynski. In the book <em>Pathways - Literature for Readers and Writers</em>, the story has 13 pages. It narrates the adventures of a boy, Jeremy, whose life is lonely and friendless. He gets sucked into a game called Nethergrave and needs to choose between staying in the game world forever and returning home, to the real world.
The main clause is clams and the subordinate clause is fresh used as an adjective.
A cause-and-effect relationship is signaled by the words "But since."