| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | upon [art] [noun sg] [det] | 10 |
|
| 2 | upon a [noun] [det] | 6 |
|
| 3 | upon [art] time [det] | 6 |
|
| 4 | upon [art] time [det] | 6 |
|
