This is a great strumming guitar singing song by Bread. I learn the chords from watching some of the you tube videos uploaded performing the same song.
Tabs in Guitar Pro file as per link below:-
https://drive.google.com/file/d/1i56p3GV3x7ER-n9qGbGfQwB60vdlL5Yg/view?usp=sharing
Chords used:
Intro: A(x02220) (slide to) D6add9(x04430)... Amaj7(x0212x) A7 etc.
