Check out the chord progression of If I Cant Have You by Shawn Mendes on Ukulele and even the Piano.

[Intro/Chorus]
G                 F#m         Em         F#m             G
I can’t write one song that’s not about you
F#m                 Em                 F#m                 G
Can’t drink without thinking about you
F#m         Em         F#m
Is it too late to tell you that
G                                         F#m                         Em
Everything means nothing if I can’t have you

[Verse 1]
G                 F#m         Bm
I’m in Toronto and I got this view
Em                         Em                         F#m
But I might as well be in a hotel room, yeah
G                 F#m                 Bm
It doesn’t matter ’cause I’m so consumed
Em                         Em                 F#m
Spending all my nights reading texts from you

[Pre-Chorus]
G                 #m                 Bm
Oh, I’m good at keeping my distance
Em                 Em         F#m
I know that you’re the feeling I’m missing
G                 F#m                 Bm
You know that I hate to admit it
G                                 F#m                         Em
But everything means nothing if I can’t have you

[Chorus]
G         F#m         Em                 F#m                 G
I can’t write one song that’s not about you
F#m         Em                 F#m         G
Can’t drink without thinking about you
F#m                 Em         F#m
Is it too late to tell you that
G                 F#m                         Em
Everything means nothing if I can’t have you

G         F#m                 Em         F#m         G
I can’t write one song that’s not about you
F#m         Em         F#m         G
Can’t drink without thinking about you
F#m                 Em         F#m
Is it too late to tell you that
G                                 F#m                 Em
Everything means nothing if I can’t have you

[Verse 2]
G                         F#m                 Bm
I’m so sorry that my timing’s off
Em                                 Em                         F#m
But I can’t move on if we’re still gonna talk
G                 F#m                 Bm
Is it wrong for me to not want half?
Em                         Em                         F#m
I want all of you, all the strings attached

[Pre-Chorus]
G                 F#m                 Bm
Oh, I’m good at keeping my distance
Em                         Em                         F#m
I know that you’re the feeling I’m missing
G                         F#m                 Bm
You know that I hate to admit it
G                                 F#m                 Em
But everything means nothing if I can’t have you

[Chorus]
G F#m                 Em         F#m         G
I can’t write one song that’s not about you
F#m         Em                 F#m                 G
Can’t drink without thinking about you
F#m         Em                 F#m
Is it too late to tell you that
G                 F#m                                         Em
Everything means nothing if I can’t have you

G                 F#m         Em         F#m         G
I can’t write one song that’s not about you
F#m                 Em         F#m         G
Can’t drink without thinking about you
F#m         Em                 F#m
Is it too late to tell you that
G                         F#m                 Em
Everything means nothing if I can’t have you

[Bridge]
G                                 F#m                 Bm
I’m trying to move on, forget you, but I hold on
Em                                 Em                 F#m
Everything means nothing, everything means nothing, babe
G                                 F#m                         Bm
I’m trying to move on, forget you, but I hold on
G                                 F#m                         Em
Everything means nothing if I can’t have you

[Chorus]
I can’t write one song that’s not about you
Can’t drink without thinking about you
Is it too late to tell you that
Everything means nothing if I can’t have you (Yeah)
G                 F#m         Em         F#m         G
I can’t write one song that’s not about you
F#m         Em                 F#m                 G
Can’t drink without thinking about you
F#m                 Em                 F#m
Is it too late to tell you that
G                         F#m                         Em
Everything means nothing if I can’t have you