| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] per | 495 |
|
| 2 | [prep] a [num] per | 495 |
|
| 3 | of [art] [num] per | 176 |
|
| 4 | of [art] [num] per | 176 |
|
| 5 | of a [num] [unc] | 93 |
|
| 6 | of a [num] per | 80 |
|
| 7 | of a [adj] per | 79 |
|
| 8 | of a [num] per | 78 |
|
