| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once upon a [noun] | 163 |
|
| 2 | once upon a [noun sg] | 163 |
|
| 3 | once upon a time | 160 |
|
| 4 | once upon a time | 160 |
|
| 5 | [noun] once upon a | 9 |
|
| 6 | [conj] once upon a | 5 |
|
| 7 | [noun pl] once upon a | 5 |
|
| 8 | [verb] once upon a | 5 |
|
