| If all else fails | 17 |
| If all goes according to plan | 29 |
| If all goes awry | 16 |
| If all goes exactly according to plan | 37 |
| If all goes right | 17 |
| If all goes swimmingly | 22 |
| If all goes well | 16 |
| If all goes wrong | 17 |
| If all ___ fails | 16 |
| If all ___ fails . . . | 22 |
| If another choice is needed | 27 |
| If any deity were to have a great tan, ___ | 42 |
| If broken, some people are happy, some sad | 42 |
| If challenged | 13 |
| If conditions permit | 20 |
| If dared to for money | 21 |
| If doubled, it's ultrasmart | 31 |
| If ever | 7 |
| If everything else fails | 24 |
| If everything fails | 19 |
| If everything goes as badly as possible | 39 |
| If everything goes perfectly | 28 |
| If everything goes right | 24 |
| If everything goes wrong | 24 |
| If everything goes your way | 27 |
| If follower, in computer programs | 33 |
| If He Walked ____ My Life | 25 |
| If he's missing a few office supplies, don't say, "It's okay, we'll ___" ... | 102 |
| If Homer stubs his toe, he goes ''___!'' | 56 |
| If I Had a Hammer cowriter | 29 |
| If I have ___ | 13 |
| If I Were ____ | 14 |
| If immature, it's a grig | 28 |
| If it ain't this, don't fix it | 38 |
| If it blows its top, run through Italy | 38 |
| If it breaks, things get wet | 28 |
| If it divides, it multiplies | 28 |
| If it fits, put it on | 21 |
| If it fits, wear it | 19 |
| If it follows also, it's a failure | 38 |
| If it had happened, you wouldn't be reading this | 52 |
| If it should be needed | 22 |
| If it's a bust, it still may qualify as this | 48 |
| If it's a bust, it still qualifies as this | 46 |
| If it's canceled, it has been accepted | 42 |
| If it's canceled, it's accepted | 39 |
| If it's German, it may be a dog | 35 |
| If it's outstanding, it's really not good | 49 |
| If it's regular, each of its angles is 144 degrees | 54 |
| If it's repeated, it's nothing new | 42 |
| If it's tidy, it's not tiny | 35 |
| If male, these are scarlet | 26 |
| If means "all" | 24 |
| If necessary | 12 |
| If need be | 10 |
| If not | 6 |
| If not today, then tomorrow . . . maybe | 39 |
| If not, to Nero | 15 |
| If nothing changes | 18 |
| If nothing else | 15 |
| If nothing else works | 21 |
| If nothing goes wrong | 21 |
| If often requires a bedroom set | 31 |
| If Ohio went the other way, ___ be president now | 48 |
| If one is white, it's no big deal | 37 |
| If one is white, then it's little | 37 |
| If one were to ___, one would see a bunch of social networking parody videos | 77 |
| If one were to ___, one would discover that they have 8 million articles in 253 languages | 89 |
| If one were to ___, one would get articles about crazy online personal ads | 74 |
| If one were to ___, one would learn that their address is 605 5th St., Seattle, WA | 82 |
| If one's angry, it's up | 31 |
| If one's broken, it's often good | 40 |
| If only | 7 |
| If or if not | 12 |
| If quitting, your boss wants two ... | 36 |
| If red, these may mislead | 25 |
| If said again, group in a 1950s African uprising | 48 |
| If spared, it spoils | 20 |
| If successful, they're laughed at | 37 |
| If that doesn't work | 24 |
| If that fails | 13 |
| If there is a need | 18 |
| If there should be | 18 |
| If they look like you they may be dead | 38 |
| If they roll they're not mossy | 34 |
| If they're boring, they're doing their job | 50 |
| If they're dropping by your house, don't stick your head out the window | 79 |
| If things continue as they're going | 39 |
| If things go well | 17 |
| If this fits, wear it! | 22 |
| If This ____ Love | 17 |
| If too big, it could lead to one's downfall | 47 |
| If two silkworms raced they'd end in ___ | 44 |
| If we can do it, it's this | 30 |
| If you add up the pros and cons | 31 |
| If you break them, they run | 27 |
| If you dig old things, dig this | 31 |
| If you do it right, it all adds up | 34 |
| If you drop it, you may see things | 34 |
| If you drop it, you may trip | 28 |