The preposition in question is "on", and its purpose is to show you where the dog chewed. You can remove the preposition to form the sentence "The brown dog chewed the rawhide bone." You can also rearrange it to find the preposition, "on the rawhide bone, the dog chewed" in what is commonly known as the Yoda technique.
Words clause and brought have similar spelling: clause is spelled 'klawz', and brought is spelled 'brawt'. So, both are spelled with 'aw'. On the other hand, their meaning is different. Also, clause is a noun while brought is a verb. A clause is a syntactic construction that forms part of a sentence or is a whole simple sentence. Brought is simple past tense and past participle of 'bring'.
Is that french, spanish or greek cant tell...
