Intro:
-11-12--------------------------------------------------------------|
-------14-12-14---14-12-10-9-10---10-9------------------------------|
---------------------------------------11-9------9-11-13-9----------|
--------------------------------------------9-11-----------13-11----|
--------------------------------------------------------------------|
--------------------------------------------------------------------|
---11-12-14------16--16-16-16-16-16^(14)-12-11------------------------|
-------------12-------------------------------14-12-10----------------|
-------------------------------------------------------13-------------|
----------------------------------------------------------------------|
----------------------------------------------------------------------|
----------------------------------------------------------------------|
1st Chorus:
----------------12--------------------------------------------------|
----10-14-12-14----14-------10-14-12-14-12-10----10-----------------|
-13----------------------13--------------------13-------------------|
--------------------------------------------------------------------|
--------------------------------------------------------------------|
--------------------------------------------------------------------|
Other chorus':
[ Tab from: https://www.guitartabs.cc/tabs/m/mcfly/not_alone_tab_ver_6.html ]
----------------12----------------------------------------12--------|
----10-14-12-14----14--12-10----10-14-12-14-12-10------10-----------|
-13--------------------------13---------------------13--------------|
--------------------------------------------------------------------|
--------------------------------------------------------------------|
--------------------------------------------------------------------|
Other random part (na na na na na thing lol):
-16-16-16-16-16-16-16-16-16-16---16-16-16-16-16-16-16-16-16-16---12----|
--------------------------------------------------------------------14-|
-----------------------------------------------------------------------|
-----------------------------------------------------------------------|
-----------------------------------------------------------------------|
-----------------------------------------------------------------------|
-12-11--------11-12-14-12-14-12-14-16-14---16-16-16-16-16-16-16-16-16-16-|
------14-12-14-----------------------------------------------------------|
-------------------------------------------------------------------------|
-------------------------------------------------------------------------|
-------------------------------------------------------------------------|
-------------------------------------------------------------------------|
-16-16-16-16-16-16-16-16-16-16--12---------------------------|
-----------------------------------14--12^(13)---------------|
-------------------------------------------------------------|
-------------------------------------------------------------|
-------------------------------------------------------------|
-------------------------------------------------------------|
That's more-or-less right....it sounds fine! enjoy! lol.