To be
was/were, been
To become
became, become
To begin
began, begun
To break
broke, broken
To bring
Brought, brought
To build
built, built
To buy
bought, bought
To can
could
To catch
caught, caught
To come
came, come
To cost
cost, cost
To do
did, done
To drink
drank, drunk
To drive
drove, driven
To eat
ate, eaten
to fall
fell, fallen
