| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] in [noun pl] [unc] | 550 |
|
| 2 | [noun sg] in [noun pl] [unc] | 339 |
|
| 3 | improvement in [noun] [unc] | 31 |
|
| 4 | improvement in [noun pl] [unc] | 24 |
|
| 5 | improvement [prep] [noun pl] [unc] | 21 |
|
