You can't take it with you--neither can I, unfortunately.
( ( ( ( You ( ( ca n't ) ( ( take it ) ( with you ) ) ) ) -- ) ( neither ( ( ( can I ) , ) unfortunately ) ) ) . )
(ROOT (S (S (NP (PRP You)) (VP (MD ca) (RB n't) (VP (VB take) (NP (PRP it)) (PP (IN with) (NP (PRP you)))))) (: --) (S (NP (DT neither)) (VP (MD can) (VP (NP (PRP I)))) (, ,) (ADVP (RB unfortunately))) (. .)))
We can take it with us. 
( We ( ( can ( ( take it ) ( with us ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (MD can) (VP (VB take) (NP (PRP it)) (PP (IN with) (NP (PRP us))))) (. .)))