If you want you can play the B, Bm and C#m chords with an open high E string
i.e
[B] [C#m]
|-0-| |-0-|
|-4-| |-5-|
|-4-| |-6-|
|-4-| |-6-|
|-2-| |-4-|
|-x-| |-x-|
Intro
[E] [B] [C#m] [Asus2]
[E] [B] [C#m] [Asus2]
Verse
[E] [B]
Can't believe your packin your bags
[C#m] [Asus2]
Tryin so hard not to cry
[E] [B]
Had the best time and now its the worst time
[C#m] [Asus2]
But we have to say goodbye
[B]
Don't promise that you're gonna write
[F#m]
Don't promise that you'll call
[B] [Asus2]
Just promise that you won't forget we had it all
Chorus
[E] [Bm]
Cause you were mine for the Summer
[D] [Asus2]
Now we know it's nearly over
[E] [Bm]
Feels like snow in September
[D] [Asus2]
But I always will remember
[E] [Bm] [Asus2] [E]
You were my Summer love
[E] [Bm] [Asus2]
You always will be my Summer love
Verse
[E] [B]
Wish that we could be alone now
[C#m] [Asus2]
If we could find some place to hide
[E] [B]
Make the last time just like the first time
[C#m] [Asus2]
Push a button and rewind
[B]
Don't say the word that's on your lips
[F#m]
Don't look at me that way
[B]
Just promise you will remember
[Asus2]
When the sky is grey
Chorus
[E] [Bm]
Cause you were mine for the Summer
[D] [Asus2]
Now we know it's nearly over
[E] [Bm]
Feels like snow in September
[D] [Asus2]
But I always will remember
[E] [Bm] [Asus2] [E]
You were my Summer love
[E] [Bm] [Asus2]
You always will be my Summer love
[B]
So please don't make this any harder
[C#m]
We can't take this any farther
[Asus2] [Asus2]
And I know there's nothin' that I wanna change, to change
[E] [Bm]
Cause you were mine for the Summer
[D] [Asus2]
Now we know it's nearly over
[E] [Bm]
Feels like snow in September
[D] [Asus2]
But I always will remember
[E] [Bm] [Asus2] [E]
You were my Summer love
[E] [Bm] [Asus2] [E]
You always will be my Summer love
[E] [Bm] [Asus2] [E]
You always will be my Summer love
[E] [Bm] [Asus2]
You always will be my Summer love