| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] about [num] per [no cls] of | 111 |
|
| 2 | [prep] about [num] per [no cls] of | 111 |
|
| 3 | of [adv] [num] per [no cls] of | 44 |
|
| 4 | of about [num] per [no cls] [prep] | 28 |
|
| 5 | of about [num] per [unc] of | 13 |
|
| 6 | of about [num] per [no cls] of | 13 |
|
| 7 | of about [num] [unc] [no cls] of | 13 |
|
| 8 | of about [adj] per [no cls] of | 13 |
|
