| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of about [adj] per [no cls] | 94 |
|
| 2 | of about [num] per [no cls] | 94 |
|
| 3 | [prep] about 20 per [no cls] | 27 |
|
| 4 | [prep] about 20 per [no cls] | 27 |
|
| 5 | of [adv] 20 per [no cls] | 23 |
|
| 6 | of about 20 per [no cls] | 5 |
|
| 7 | of about 20 per [unc] | 5 |
|
| 8 | of about 20 [no cls] [no cls] | 5 |
|
| 9 | of about 20 per [no cls] | 5 |
|
| 10 | of about 20 per [no cls] | 5 |
|
| 11 | of about 20 [unc] [no cls] | 5 |
|
