First conditional by Various

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

[If I ever leave (2)________ world alone -- FLOGGING MOLLY]
If I ever (3)__________ (4)________ world alive, I`ll thank ya for the things you did in my life
If I (5)________ leave (6)________ world alive, I`ll come back down and sit beside your (7)________ tonight

[If I let you go -- WESTLIFE]
But if I let you go I will never know
What my life would be (8)______________ you close to me

[If you don't know me by now -- SIMPLY RED]
.... If you don't know me by now, you (9)________ never 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 there is in my heart
If you say "no", I'll feel alone
I need your sunshine, tonight
If you stay on, I'll give my all, I'll be your star
If you love me, if you love me now, I'll be your star

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

[Natural (10)____________ -- BOB MARLEY]
... If you listen carefully 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 wanna leave, take good care

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