| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] 30 per [unc] | 237 |
|
| 2 | of 30 per [unc] | 48 |
|
| 3 | of [adv] 30 [unc] | 20 |
|
| 4 | of [adv] 30 per | 19 |
|
