Standard tuning.

The intro/verses are picked (with or without a pick, your choice). This is the pattern...
(throw in some hammer-ons too if you like, i think Ed does sometimes)

     C           F           G           C
e | ---------------------------------3----------------- | 
B | ---------1-----------1--------------3--------1----- | 
G | ------------0-----------2-----------------------0-- | 
D | ------2-----------3-----------------------2-------- | 
A | ---3-----------3--------------2--------3----------- | 
E | ---------------------------3----------------------- | 
     Am          F           C           C
e | ---------------------3----------------------------- | 
B | ---------1--------------3---------1----------1----- | 
G | ------------2------------------------0----------0-- | 
D | ------2-----------------------2-----------2-------- | 
A | ---0--------------2--------3-----------3----------- | 
E | ---------------3----------------------------------- | 

Verse 1 (using picking pattern above)

C          F          G           C
Treat me beneath this clear night sky
    Am      G       C      C
And I will lie with you
C          F          G           C
I start to feel those butterflies
Am       G       C      C
When I'm next to you

Pre-Biss/Biss - Strum F G Am Am

F
Tell me your secrets
G
Give me a friend
Am
Let all the good times flood in
F
Do I love you?
G
Do I hate you?
  Am
I can't make up my mind
         F
So let's freefall
G                 Am
See where we land

Verse 2 - (Repeat picking pattern, same as before)

C              F         G       C
It's been this way since we were young
      Am        G         C
We'll fight and then make up
C                 F     G     C
I'll breathe your air into my lungs
Am     G     C
When I feel your touch

Pre-Biss/Biss - Strum F G Am Am

F
Tell me your secrets
G
Give me a friend
Am
Let all the good times flood in
F
Do I love you?
G
Do I hate you?
  Am
I can't make up my mind
         F
So let's freefall
G                 Am
See where we land

Bridge - Same Chords as Chorus

F
Da da dada    | 
G            
Da da dada    |   x2
Am           
Da da dada    | 

F
Tell me your secrets
G
Give me a friend
Am
Let all the good times flood in
F
Do I love you?
G
Do I hate you?
  Am
I can't make up my mind
         F
So let's freefall
G                 Am
See where we land

Outro - same as Intro/Verses

Chords-
C =
e | ----- | 
B | --1-- | 
G | --0-- | 
D | --2-- | 
A | --3-- | 
E | ----- | 
F =
e | ----- | 
B | --1-- | 
G | --2-- | 
D | --3-- | 
A | --3-- | 
E | ----- | 
G =
e | --3-- | 
B | --3-- | 
G | --0-- | 
D | --0-- | 
A | --2-- | 
E | --3-- | 
A =
e | ----- | 
B | --1-- | 
G | --2-- | 
D | --2-- | 
A | ----- | 
E | ----- |