$\text{be $\rightarrow$ was, were $\rightarrow$ been}$
$\text{become $\rightarrow$ became $\rightarrow$ become}$
$\text{begin $\rightarrow$ began $\rightarrow$ begun}$
$\text{bring $\rightarrow$ brought $\rightarrow$ brought}$
$\text{build $\rightarrow$ built $\rightarrow$ built}$
$\text{buy $\rightarrow$ bought $\rightarrow$ bought}$
$\text{catch $\rightarrow$ caught $\rightarrow$ caught}$
$\text{come $\rightarrow$ came $\rightarrow$ come}$
$\text{cost $\rightarrow$ cost $\rightarrow$ cost}$
$\text{cut $\rightarrow$ cut $\rightarrow$ cut}$
$\text{keep $\rightarrow$ kept $\rightarrow$ kept}$
$\text{know $\rightarrow$ knew $\rightarrow$ known}$
$\text{make $\rightarrow$ made $\rightarrow$ made}$
$\text{meet $\rightarrow$ met $\rightarrow$ met}$
$\text{pay $\rightarrow$ paid $\rightarrow$ paid}$
$\text{put $\rightarrow$ put $\rightarrow$ put}$
$\text{read $\rightarrow$ read $\rightarrow$ read}$
$\text{ride $\rightarrow$ rode $\rightarrow$ ridden}$
$\text{rise $\rightarrow$ rose $\rightarrow$ risen}$
$\text{run $\rightarrow$ ran $\rightarrow$ run}$
