VERB + BEG

be forced to, have to

PREP

for
begging for food
from
He had to beg food from passers-by

ADV

almost, practically
In the end they almost begged him to take the job
humbly
We humbly beg Your Majesty to show mercy
silently
Don't leave me, he begged her silently

VERB + BEG

be forced to, have to

PREP

for
We went to him to beg for forgiveness
of (formal)
Do not do that, I beg of you