1st
...., was/were, been
Be
Drink, ...., drunk
Drank
Can, could, .....
Could
Sit, sat, ....
Sat
Beat, ...., beat
Beat
...., did, done
Do
Cut, ...., cut
Cut
Fall, fell, ....
Fallen
Sleep, ...., slept
Slept
Burn, burnt, ....
Burnt
...., understood, understood
Understand
Choose, ...., chosen
Chose
Grow, grew, ....
Grown
...., swam, swum
Swim
...., brought, brought
Bring
...., lay, lain
Lie
Eat, ...., eaten
Ate
Sell, sold, ....
Sold
...., showed, ....
Show, shown
Begin,...., begun
Began
...., forgot, forgotten
Forget
Fight, .... fought
Fought
Leave, left, ....
Left
Shake, ...., shaken
Shook
Bite, bit, ....
Bitten