| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [subord] [art] [noun sg] [verb] | 491 |
|
| 2 | upon [conj] [art] [noun sg] [verb] | 14 |
|
| 3 | upon [subord] [art] [noun] [verb] | 13 |
|
