The initial idioms of the letter A

a fool's errand	a force to be reckoned with
a foregone conclusion	a four-letter word
a frame of mind	a Frankenstein's monster
a free agent	a free bit of advice
a free ride	a free spirit
a free-for-all	a French letter
another pair of eyes	A friend in need
a friend in need is a friend indeed	a frog in (one's) throat
a frog in throat	a fuddy-duddy
a full plate	a full-court press
a funny farm	hide and seek
a game of musical chairs	a game plan
a gas guzzler	a generation gap
a gentle giant	a gentleman and a scholar
a ghost of a chance	a ginger group