| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | changes to the way | 17 |
|
| 2 | changes to the system | 13 |
|
| 3 | changes to the law | 11 |
|
| 4 | changes to the constitution | 10 |
|
| 5 | changes to the treaty | 9 |
|
| 6 | changes to the scheme | 7 |
|
| 7 | changes to the council | 7 |
|
| 8 | changes to the plan | 5 |
|
