| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] in [noun pl] ' | 277 |
|
| 2 | [noun sg] in [noun pl] ' | 175 |
|
| 3 | improvement in [noun pl] ' | 16 |
|
| 4 | improvement in [noun pl] [unc] | 15 |
|
| 5 | improvement [prep] [noun pl] ' | 14 |
|
| 6 | improvement in [noun] ' | 12 |
|
