| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a time [pron] [vb past] | 7 |
|
| 2 | once upon a time [pron] [vb past] | 7 |
|
| 3 | once [prep] a time [pers pn] [vb past] | 6 |
|
