should never , ever , leave a large dog alone with a toddler 
(ROOT (VP (MD should) (ADVP (RB never)) (, ,) (ADVP (RB ever)) (, ,) (VP (VB leave) (NP (DT a) (JJ large) (NN dog)) (ADVP (RB alone)) (PP (IN with) (NP (DT a) (NN toddler))))))
(ROOT (VP (MD ) (ADVP (RB )) (, ) (ADVP (RB )) (, ) (VP (VB ) (NP (DT ) (JJ ) (NN )) (ADVP (RB )) (PP (IN ) (NP (DT ) (NN ))))))