| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] upon a | 399 |
|
| 2 | [adj] [vb pp] a | 392 |
|
| 3 | [adj] upon a | 62 |
|
| 4 | [adj] [vb pp] upon | 45 |
|
