$\text{go → went }$
$\text{ride → rode }$
$\text{drive → drove }$
$\text{meet → met }$
$\text{leave → left }$
$\text{drink → drank }$
$\text{eat → ate }$
$\text{see → saw }$
$\text{write → wrote }$
$\text{run → ran }$
$\text{make → made }$
$\text{study → studied }$
$\text{fly → flew }$
$\text{understand → understood }$
$\text{agree → agreed }$
$\text{rain → rained }$
$\text{rise → rose }$
$\text{plan → planned }$