1
UNDERSTAND - UNDERSTOOD - UNDERSTOOD
2
FORGET - FORGOT - FORGOTTEN
3
THINK - THOUGHT - THOUGHT
4
WRITE - WROTE - WRITTEN
5
TEACH - TAUGHT - TAUGHT
6
SPEAK - SPOKE - SPOKEN
7
DRIVE - DROVE - DRIVEN
8
BREAK - BROKE - BROKEN
9
BECOME - BECAME - BECOME
10
EAT - ATE - EATEN
11
KNOW - KNEW - KNOWN
12
BE - WAS / WERE - BEEN
13
DRINK - DRANK - DRUNK
14
GO - WENT - GONE
15
GIVE -GAVE - GIVEN
16
DO - DID - DONE
