| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] in [noun pl] ' [noun] | 242 |
|
| 2 | improvement in [noun pl] [unc] [noun] | 20 |
|
| 3 | improvement [prep] [noun pl] ' [noun] | 16 |
|
| 4 | improvement [prep] [noun pl] ' [noun] | 16 |
|
| 5 | improvement in [noun] ' [noun] | 14 |
|
| 6 | improvement in [noun pl] ' [noun] | 14 |
|
