come ..... .......
come came come
........ drank drunk
drink drank drunk
....... sat sat
sit sat sat
sing ...... .......
sing sang sung
......... sold sold
sell sold sold
run ran .....
run ran run
write ...... .......
write wrote written
buy ..... .......
buy bought bought
read ....... ..........
read read read
eat ....... eaten
eat ate eaten
...... went gone
go went gone