This is repeated throughout the song, pretty simple
capo 2
C
|---------------------------|
|-1--------1----1--------1--|
|---2-------2-----2-------2-|
|---------------------------| x2
|-3-------------3-----------|
|---------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/j/joe_pug/hymn_35_tab.html ]
Am F
|------------------------------------------------|
|-1-------1---1--------1-----1--------1----1-----|
|---2------2----2-------2------2-------2-----2---|
|----------------------------3-------------3-----|
|-0-----------0----------------------------------|
|------------------------------------------------|