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 -- FLOGGING MOLLY]
If I (2)________ leave this world alive, (3)________ thank ya for the (4)____________ you did in my life
If I ever leave (5)________ (6)__________ alive, I`ll (7)________ back down and sit (8)____________ 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 (9)________ me by now, you will (10)__________ (11)__________ know me (no, you won't)

[If you -- (12)__________ BOX]
If you don't know (13)________ you are for me, Don't (14)__________ me alone tonight
If you don't go, I'll let you see what (15)__________ is in my heart
If you say "no", I'll (16)________ alone
I need (17)________ sunshine, tonight
If you stay on, I'll give my all, I'll be your star
If you (18)________ me, if you (19)________ me now, I'll be your star

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

[Natural (20)____________ -- BOB MARLEY]
... If you (21)____________ carefully now you will hear

[Soul (22)__________ -- BOB MARLEY]
... If you're not happy, children, then you must be blue

[The (23)__________ cut is the (24)______________ -- CAT STEVENS]
...but if you want, I'll try to love again

[Wild World -- CAT STEVENS]
... But if you wanna leave, take good (25)________

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