Think of the Eb chord progression as starting on Eb
Eb x x x
Bb x Bb/C B7
F x Eb x
Bb x Bb/C B7
bpm 109                                                           [Intro] Fmaj at 7th fret with descending bass Eb D C A# (Ab7) F[Verse 1]                 [F]  Like a fool, I went and  [Dm7] stayed too long. [F]  Now I'm wondering if your  [Dm7] love's still strong. [Cm]  Ooh  [Bb7] baby, here I am;  [Gm7] signed, sealed, de- [C7] livered; I'm  [F7] yours.[Verse 2]                   [F]  Then that time I went and  [Dm7] said goodbye; [F]  Now I'm back and not a- [Dm7] shamed to cry. [Cm]  Ooh  [Bb7] baby, here I am;  [Gm7] signed, sealed, de- [C7] livered; I'm  [F7] yours.[Chorus] - simpler approach F at first fretF x x Eb                                   x x Eb x                                   Bbx x  Bb/C                                x x B7                                      [F]  Here I am,  [Eb] baby, [Bb]  Signed, sealed, de- [Bb/C] livered;  [Bb7] I'm  [F] yours.  [Eb]         [Bb]  [Bb/C]Here I     am [Bb7] , ba [F] -by,   [Eb]    [Bb]  Signed, sealed, de-l [Bb/C] ivered;  [Bb7] I'm  [F] yours.  [Eb]         Descending part as per intro [Bb]  I've done a- [Bb/C] lot of foolish t [F7] hings, that I really didn't mean,Hey, hey, yeah, yeah, didn't I? Oh baby.[Verse 3]                [F]  Seen alot of things in  [Dm7] this old world, [F]  When I touched them, they did  [Dm7] nothing, girl. [Cm]  Ooh  [Bb7] baby, here I am;  [Gm7] signed, sealed, de- [C7] livered; I'm  [F7] yours.[Verse 4]                  [F]  Ooh-wee babe, you set my  [Dm7] soul on fire; [F]  That's why I know you are my  [Dm7] only desire. [Cm]  Ooh  [Bb7] baby, here I am;  [Gm7] signed, sealed, de- [C7] livered; I'm  [F7] yours.[Chorus] - simpler approach F at first fretF x x Eb                                   x x Eb x                                   Bbx x  Bb/C                                x x B7 x                                    [F]  Here I am,  [Eb] baby, [Bb]  Signed, sealed, de- [Bb/C] livered;  [Bb7] I'm  [F] yours.  [Eb]     [Bb]    [Bb]  Here I [Bb/C]    am [Bb7] , ba [F] -by,   [Eb]    [Bb]  Signed, sealed, de- [Bb/C] livered;  [Bb7] I'm  [F] yours.  [Eb]     [Bb]    [Bb]  I've done a- [Bb/C] lot of foolish t [F7] hings, that I really didn't mean,Hey, hey, yeah, yeah, didn't I? Oh baby.I could be a broken man, but here I am. [Coda] [F7]  With your future, got your  [F] future, babe, [Eb]   (Here I am,  [Bb] baby),  [Bb] here  [Bb/C] I   a [Bb7] m, b [F] a-b [Eb] y, [Gm7]  Signed Sealed de- [C7] livered;  [Bb7] I'm  [F] yours.  [Eb]     [Bb]    [F7]  With your future, got your  [F] future, babe, [Eb]    [Bb]  Here  [Bb/C] I   a [Bb7] m ba [F] -by [Eb]   [Gm7]  Signed Sealed de- [C7] livered;  [Bb7] I'm  [F] yours.  [Eb]     [Bb]    [F7]  With your future, got your  [F] future, babe, [Eb]   (Here I am,  [Bb] baby),  [Bb] here  [Bb/C] I   a [Bb7] m, b [F] a-b [Eb] y, [Gm7]  Signed Sealed de- [C7] livered;  [Bb7] I'm  [F] yours.  [Eb]     [Bb]   (Repeat to Fade)