| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a time [prep] | 808 |
|
| 2 | [prep] a time [prep] | 808 |
|
| 3 | upon a [noun] [prep] | 358 |
|
| 4 | upon [art] time [prep] | 9 |
|
| 5 | upon a time [prep] | 9 |
|
| 6 | upon a time [prep] | 9 |
|
