Anonymous Am I right to say that "mental sums" is the subject Yes. Anonymous "are" the linking verb Yes. Anonymous "for some people and difficult for others" is the prepositional adjectival phrase?
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AnonymousAm I right to say that "mental sums" is the subjectYes.
Anonymous"are" the linking verbYes.
Anonymous"for some people and difficult for others" is the prepositional adjectival phrase?No, there are two preposition phrases: for some people and for others, neither of