1
Simple past: understand
2
Simple past: think
3
Simple past: catch
4
Simple past: buy
5
Simple past: fight
6
Simple past: hear
7
Simple past: take
8
Simple past: keep
9
Simple past: speak
10
Simple past: come
11
Simple past: go
12
Simple past: make
13
Simple past: do
14
Simple past: run
15
Simple past: eat
