not sure if its the entire song, my friend showed me and it sounds about right so.
the Chords are G, Am, F, C
Sorry I know I'm not much help, but I really like this song and was disappointed when it
here. And as for the strumming, I suggest a video on You Tube, I found it to be quite helpful.
http://www.youtube.com/watch?v=HaiKl62lt34
Good luck.
Source: https://tabs.ultimate-guitar.com/tab/edwin/right_here_chords_614410