- if my memory serves me well
- if (my) memory serves me well, correctly, etc.
- if need be
- if-need-be
- if not
- if only
- if-push-comes-to-shove
- ifs
- if's
- if she's a day
- if the cap fits
- if the cap fits it
- if the cap fits (, wear it)
- if the cap wear it
- if the shoe fits
- if the shoe fits it
- if the shoe fits (, wear it)
- if the shoe wear it
- if the spirit moves you
- if the truth be known
- if (the) truth be known
- if (the) truth be known/told
- if the truth be told
- if (the) truth be told
- if the worst comes to the worst