| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] improvement in [noun pl] [unc] | 12 |
|
| 2 | [adj] improvement in [noun pl] [unc] | 11 |
|
| 3 | improvement in [art] [noun pl] [unc] | 5 |
|
| 4 | improvement in the [noun pl] [unc] | 5 |
|
| 5 | improvement in [art] [noun pl] [unc] | 5 |
|
| 6 | improvement in the [noun pl] [unc] | 5 |
|
| 7 | improvement in [noun pl] [unc] [noun] | 12 |
|
| 8 | improvement in [noun pl] [unc] [noun sg] | 8 |
|
