bandbox
...looks as if he had just come out of a bandbox

cast back
if you cast your mind back to...

choose
if you choose

comfort
if it's any comfort...

convenient
if it is convenient for you

correct
correct me if I'm wrong

cuppa
if cocoa isn’t your cuppa

damned
I'll be damned if...

druthers
if I had my druthers,...

else
if all else fails

grasp at
if you grasp at too much you may lose everything

IF
intermediate frequency

if
if you come, I'll be happy

impossibly
if, impossibly, he were to....

inclined
if you feel so inclined

inconvenient
if not inconvenient to you

intervene
...next month if nothing intervenes

jigger
I'm jiggered if ...

magic
as if by magic / like magic

mistaken
if I am not mistaken

peradventure
if peradventure...

Qd
quasi dicat (as if he should say)

relax
if the cold relaxes

safely
let me know if you've got home safely

seldom
she seldom if ever goes to the theatre

surprised
I shouldn't be surprised if it rained

tact
if you use tact, maybe he won't say "no"

they
if I were they

unleavened
if justice be unleavened with mercy

wherewith
if the salt have lost its savour, wherewith shall it be seasoned?