| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | usually [verb] [prep] a | 508 |
|
| 2 | [adv] [verb] upon a | 77 |
|
| 3 | [adv] [verb] upon a | 63 |
|
| 4 | usually [verb] upon [art] | 12 |
|
| 5 | usually [verb] upon a | 8 |
|
