 She's paying him for the apartment.
( She ( ( 's ( ( paying him ) ( for ( the apartment ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBZ 's) (VP (VBG paying) (NP (PRP him)) (PP (IN for) (NP (DT the) (NN apartment))))) (. .)))
He isn't getting paid by her for the apartment.
( He ( ( ( is n't ) ( getting ( ( paid ( by her ) ) ( for ( the apartment ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ is) (RB n't) (VP (VBG getting) (S (VP (VBN paid) (PP (IN by) (NP (PRP her))) (PP (IN for) (NP (DT the) (NN apartment))))))) (. .)))