First conditional by Various

[I'll go crazy if I don't (1)__________ tonight -- U2]
... But I now I'll go crazy if I don't go crazy tonight

[If I ever leave this world alone -- (2)________________ MOLLY]
If I ever leave (3)________ world alive, I`ll thank ya for the things you did in my life
If I ever leave this world alive, I`ll come back down and sit beside your feet tonight

[If I let you go -- WESTLIFE]
But if I let you go I will never know
What my life would be holding you close to me

[If you don't know me by now -- SIMPLY RED]
.... If you don't know me by now, you will (4)__________ never know me (no, you won't)

[If you -- MAGIC BOX]
If you don't know what you are for me, Don't leave me alone tonight
If you don't go, I'll let you see what (5)__________ is in my heart
If you say "no", I'll feel alone
I need (6)________ sunshine, tonight
If you stay on, I'll give my all, I'll be your star
If you (7)________ me, if you love me now, I'll be your star

[Imagine -- JOHN LENNON]
... It's easy if you try

[Natural Mystic -- BOB MARLEY]
... If you listen (8)__________________ now you will hear

[Soul Rebel -- BOB MARLEY]
... If you're not happy, children, then you must be blue

[The first cut is the deepest -- CAT STEVENS]
...but if you want, I'll try to love again

[Wild World -- CAT STEVENS]
... But if you (9)__________ leave, take good care

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