Chords used:
    EADGBe
A    x02220 
A2    577655 
C#7    x46464 
D    xx0232 
D7    xx0212 
Dsus2    xx0230 
E    022100 
E7    022130 
F#m    244222 
Bm    x24432 

NOTE: While Bonehead is playing the basic chord progression above the
following tab in the intro and verses, Noel is playing something like this:
   A2          C#7         D        E           D       E 
e--5-x-5-x-5-x-5--4-x-4-x-4-x-4--2---2-0-2--0---0-0-0--0--0--0--0--0---0--0-
B--5-x-5-x-5-x-5--6-x-6-x-6-x-6--3---3-3-3--0---0-0-0--3--3--3--3--0---0--0-
G--6-x-6-x-6-x-6--4-x-4-x-4-x-4--2---2-2-2--1---1-1-1--2--2--2--2--1---1--1-
D--7-x-7-x-7-x-7--6-x-6-x-6-x-6--0---0-0-0--2---2-0-2--0--0--0--0--2---2--2-
A--7-x-7-x-7-x-7--4-x-4-x-4-x-4-------------2---2-2-2--------------2---2--2-
E--5-x-5-x-5-x-5----------------------------0---0-0-0--------------0---0--0-
   D7            A 
e--2--2--2--2------------------------------------------------------------
B--1--1--1--1---2--2--3--3--2--------------------------------------------
G--2--2--2--2---2--2--2--2--2--------------------------------------------
D--0--0--0--0---2--2--4--4--2--------------------------------------------
A---------------0--0--0--0--0--------------------------------------------
E------------------------------------------------------------------------
Also, there is this little riff being played over the intro by a third
guitar (listen carefully and you'll hear it):
   A2          C#7         D        E           D       E 
e-------5---------------4-------------0-------0-----0----0--0--------0-----0-
B----5-----5---------6-----6-------3-----3-------3-------------3--------3----
G----------------------------------------------------------------------------
D----------------------------------------------------------------------------
A----------------------------------------------------------------------------
E----------------------------------------------------------------------------
   D7            A 
e-----2--2-------------------------------------------------------------
B-----------1----------------------------------------------------------
G----------------------------------------------------------------------
D----------------------------------------------------------------------
A----------------------------------------------------------------------
E----------------------------------------------------------------------
So in the intro and the verses where just the chords are listed, you could
play just the chords or play what Noel is playing above.

Intro
A2   C#7    D    E    Dsus2    E7    D7    A 

Verse
A2             C#7          D               E 
What a life it would be, if you could come to mine for tea
              Dsus2          E7              D7    A 
I'll pick you up at half past three, we'll have lasagne
A2              C#7   D                  E 
I'll treat you like a queen, I'd feed you strawb'ries and cream,
          Dsus2          E7             D7  A 
And then your friends will all go green for my lasagne

Chorus
F#m                    A 
These could be the best days of our lives
                e----------------------------
                B---2-----------3--2--3--2---
                G---2-----------2--2--2--2---
                D---2-----------4--2--4--2---
                A---0--------0--0--0--0--0---
                E----------------------------
      Bm                 C#7 
But I don't think we've been livin' very wise
She said oh no no
REPEAT VERSE
Piano Solo arranged for guitar:
  A2            C#7              D              E 
e----------------------------------------------------------------------------
B-14--14--14h15r14-------------14--------------------------------------------
G-------------------16---16-16----16--14---14-14--16--14------------------14-
D---------------------------------------------------------14---14--14--16----
A----------------------------------------------------------------------------
E----------------------------------------------------------------------------
   Dsus2             E7             D7            A 
e--------------------------------------------------------------------------
B-----------------------------------------------------------------------14-
G--14h16h17--16--14--16--14------------------14--14h16h17--17--17-16-17----
D----------------------------14---14-14--16--------------------------------
A--------------------------------------------------------------------------
E--------------------------------------------------------------------------

e--------------------------------------------------------------------
B----14-15-14--------------------------------------------------------
G-16-----------------------------------------------------------------
D--------------------------------------------------------------------
A--------------------------------------------------------------------
E--------------------------------------------------------------------
These could be the best days of our lives
But I don't think we've been living very wise, she said oh no no
So what a life it would be if you could come to mine for tea
I'd pick you up at half past three we'll have lasagne
I'll treat you like a quenn, I'll give you strawberries and cream
      Dsus2              E7           Dsus2           E7 
Then your friends will all go green, then your friends will all go green
      Dsus2              E7             D7  A 
Then your friends will all go green for my lasagne
(And here's the little riff at the end):
e--------------------------------------------------------------------
B------3-----3p2-----------------------------------------------------
G-----------------2--------------------------------------------------
D--2h4----4----------------------------------------------------------
A--------------------------------------------------------------------
E--------------------------------------------------------------------