1
general::
Phrase(s): beg of someone
to request earnestly of someone. (Usually added to a request.) • Please help me. I beg of you. • I beg of you to help me., Phrase(s): beg something of someone
to request earnestly that someone do something or grant something. • Please help me. I beg it of you. • She begged a favor of Max.
McGrawhill's American Idioms And Phrasal Verbs