| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | changes [prep] the [noun sg] | 1972 |
|
| 2 | [prep] the [noun sg] rate | 713 |
|
| 3 | changes [prep] the rate | 19 |
|
| 4 | changes [prep] [noun sg] rate | 7 |
|
