| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] [art] time a | 5 |
|
| 2 | once [prep] [art] time a | 5 |
|
| 3 | once upon [art] time a | 5 |
|
| 4 | once upon [art] time a | 5 |
|
| 5 | once [prep] a time a | 5 |
|
