| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] 30 per | 21 |
|
| 2 | just [adv] 30 per | 10 |
|
| 3 | [adv] about 30 per | 8 |
|
| 4 | [adv] about 30 per | 8 |
|
| 5 | only [adv] 30 per | 7 |
|
| 6 | [adv] under 30 per | 6 |
|
| 7 | [adv] under 30 per | 6 |
|
| 8 | [adv] over 30 per | 5 |
|
| 9 | [adv] over 30 per | 5 |
|
