[Intro] Bb5  Gm
        Bb5  Gm
        Bb5  Gm
        D  F  Gm

Bb                     Gm
I know what you did last night
Bb
You know that I know
Gm
You've tried to hide
D                 F         Gm
But I know what you did last night

Bb                     Gm
You've been avoid me all day
Bb
You know you can hide
Gm
It's totally out of time
D                       Gm
But I know what you did last night

[Estribillo]

Bb                   Gm
I know what you did last night
Bb
If anyone knows (I think) it's alright
Gm
I won't tell, you won't do it again
D                        Gm
Otherwise I'll hurt your pride

Bb                 Gm
You think I'll trap you soon
Bb
Put you against the wall
Gm
Run not at all
D                  Gm
Don't worry after afternoon

Bb                 Gm
You can doubt what I know
Bb
You can even try
Gm
But I won't even lie
D                    Gm
I know what you did last night

[Estribillo]

Bb                   Gm
I know what you did last night
Bb
If anyone knows (I think) it's alright
Gm
I won't tell, you won't do it again
D                        Gm
Otherwise I'll hurt your pride

[Solo]

Bb
You know it wasn't my intention

But if there is a convention

You'd better stay at home

And please stay alone

Cus' I know what you did last night

[Estribillo]

Bb                   Gm
I know what you did last night
Bb
If anyone knows (I think) it's alright
Gm
I won't tell, you won't do it again
D                        Gm
Otherwise I'll hurt your pride