First conditional by Various

[I'll go crazy if I don't crazy (1)______________ -- U2]
... But I now I'll go crazy if I don't go (2)__________ tonight

[If I ever (3)__________ this (4)__________ alone -- FLOGGING MOLLY]
If I ever leave this world alive, I`ll (5)__________ ya for the (6)____________ you did in my life
If I ever leave this world alive, (7)________ come back (8)________ and sit beside (9)________ 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 (10)__________ to me

[If you don't know me by now -- (11)____________ RED]
.... If you don't know me by now, you will never never (12)________ 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 (13)________ alone
I need (14)________ sunshine, tonight
If you (15)________ on, I'll (16)________ my all, I'll be your star
If you love me, if you love me now, I'll be (17)________ star

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

[Natural Mystic -- BOB MARLEY]
... If you listen carefully now you (18)________ 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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