ROCK THE SENTENCE
"That dog plays fetch."
Dog = Subject Plays = Verb
"Because my cat likes fish"
Because = Subordinate Junction Cat = Subject Likes = Verb
Adjective Pronoun as Subject + Verb = Incomplete Thought
"Whom Johnny threw on the ground"
Whom = Adjective Pronoun Johnny = Subject Threw = Verb
"That has went away"
That = Subject Pronoun Went = Verb
"Whichever topping you want on our pizza is fine with me."
Noun Clause = Whichever topping you want