1
past of to understand
2
Past of to bring
3
Past of to buy
4
Past of to teach
5
Past of to forget
6
Past of to find
7
past of to spend
8
Past of to choose
9
Past of to steal
10
Past of to fly
11
Past of to speak
12
Past of to draw
13
Past of to leave
14
past of to pay
15
Past of to read
14
12
6
7
15
13
4
2
3
1
8
9
5
10