The initial idioms of the letter I

ill at ease	(well,) I'll be!
I'll be!	I'll be a monkey's uncle!
I'll be damned	I'll be damned if I
I'll be hanged	I'll be hanged if I (do something)
I'll be seeing you	I'll believe it when I see it
I'll bite	I'll call back later
I'll cross that bridge when I come to it	I'll drink to that!
I'll eat my hat	I'll take a rain check
I'll get right on it	I'll give what for!
I'll have to beg off	ill health
I'll let you go	I'll look you up when I'm in town
I'll put a stop to that	I'll say
You scratch my back and I'll scratch yours	I'll see you later
I'll thank you to keep your opinions to yourse	I'll thank you to mind your own business
ill will	ill wind that blows no one any good, it's an