| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] to improve the [noun] | 45 |
|
| 2 | [prep] [noun sg] to improve the [noun sg] | 34 |
|
| 3 | in [noun sg] to improve the [noun] | 29 |
|
| 4 | [prep] order to improve the [noun] | 25 |
|
| 5 | [prep] [noun sg] to improve the [noun pl] | 9 |
|
