| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] [prep] a | 11540 |
|
| 2 | [vb pp] upon [prep] a | 97 |
|
| 3 | [adv] [vb pp] upon [prep] | 72 |
|
| 4 | [adv] [vb pp] upon a | 30 |
|
