| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] 30 per | 246 |
|
| 2 | [adv] 30 per | 237 |
|
| 3 | under [adj] per | 107 |
|
| 4 | under [num] per | 107 |
|
| 5 | under 30 [unc] | 10 |
|
| 6 | under 30 per | 9 |
|
| 7 | under 30 per | 9 |
|
