| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] 50 per [unc] | 122 |
|
| 2 | [prep] over 50 per [unc] | 20 |
|
| 3 | [adv] over 50 per [unc] | 16 |
|
| 4 | [prep] [adv] over 50 [unc] | 7 |
|
| 5 | [prep] [adv] over 50 per | 7 |
|
