| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] once [prep] a [noun sg] | 30 |
|
| 2 | [conj] [adv] upon a [noun sg] | 13 |
|
| 3 | [conj] [adv] upon a [noun sg] | 12 |
|
| 4 | [conj] once upon a [noun sg] | 5 |
|
| 5 | [conj] once upon [art] [noun sg] | 5 |
|
| 6 | [conj] once upon a [noun] | 5 |
|
