| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] [vb past] a | 4441 |
|
| 2 | [pron] [vb past] upon a | 68 |
|
| 3 | [pron] [adv] [vb past] upon | 42 |
|
| 4 | [adv] [vb past] upon a | 9 |
|
