| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | changes [verb] about [prep] the | 30 |
|
| 2 | changes bring about [prep] the | 29 |
|
| 3 | changes [vb pp] about [prep] the | 29 |
|
| 4 | changes brought about [prep] the | 29 |
|
| 5 | changes [verb] about by the | 27 |
|
