1
past of understand
2
past of think
3
past of bring
4
past of catch
5
past of buy
6
past of steal
7
past of drive
8
past of write
9
past of sleep
10
past of take
11
past of keep
12
past of know
13
past of lose
14
past of fall
15
past of leave
16
past of eat
12
8
5
6
4
2
1
7
15
16
14
13
3
9
10
11
