| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a [noun] [noun sg] | 36 |
|
| 2 | once upon a [noun] [noun] | 15 |
|
| 3 | [adv] upon a [noun] [noun sg] | 8 |
|
| 4 | [adv] upon a [noun] [noun sg] | 7 |
|
| 5 | once upon a [noun] [noun sg] | 6 |
|
| 6 | once upon [art] [noun] [noun sg] | 6 |
|
