The initial idioms of the letter I

I'm terrible at names	I'm with you
image	imagination
imagine as	(well,) imagine that!
imagine	imbalance
imbue with	IMHO
Imitation is the sincerest form of flattery	immediately
immemorial	immerse in
immigrate to some place	immunize against
IMO	you little imp
impact on	impact
impaired	impale on
impart to	fair and impartial
impasse	impeach for
impinge on	implant in
implicate	import