| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] a | 8955 |
|
| 2 | [adv] [vb pp] upon | 569 |
|
| 3 | [vb pp] upon a | 328 |
|
| 4 | [adv] upon a | 193 |
|
