First conditional by Various

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

[If I ever leave (3)________ world (4)__________ -- FLOGGING MOLLY]
If I ever leave this 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 (5)________ 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 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 (6)__________ tonight
If you don't go, I'll let you see what there is in my heart
If you say "no", I'll (7)________ 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 (8)____________ -- 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 (9)__________ cut is the deepest -- CAT STEVENS]
...but if you want, I'll try to love again

[Wild World -- CAT STEVENS]
... But if you (10)__________ leave, take good care
(1) crazy(2) crazy(3) this(4) alone(5) will(6) alone(7) feel(8) Mystic(9) first(10) wanna