| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] [vb pp] [art] | 4226 |
|
| 2 | [adv] [vb pp] upon [art] | 147 |
|
| 3 | [vb past] [adv] upon [art] | 65 |
|
| 4 | [vb past] [vb pp] upon [art] | 57 |
|
| 5 | [vb past] [adv] [vb pp] upon | 29 |
|
