GROUP 1
Past participle of EAT
EATEN
Past participle of HAVE
had
Past participle of MAKE
MADE
Past participle of SAY
SAID
Past participle of BUY
BOUGHT
Past participle of FEEL
FELT
Past participle of HEAR
HEARD
Past participle of READ
READ
Past participle of DRINK
DRUNK
Past participle of BE
BEEN
Past participle of DO
DONE
Past participle of LOSE
LOST
Past participle of GO
GONE
Past participle of TEACH
TAUGHT
Past participle of THINK
THOUGHT
Past participle of SEE
SEEN
Past participle of BUY
BOUGHT
Past participle of CUT
CUT
Past participle of GOT
GOTTEN
Past participle of FIND
FOUND
Past participle of KNOW
KNOWN
Past participle of WRITE
WRITTEN
Past participle of BRING
BROUGHT
Past participle of GROW
GROWN