| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a time [art] | 11 |
|
| 2 | once [prep] a [noun] a | 10 |
|
| 3 | once [prep] a [noun sg] a | 10 |
|
| 4 | once [prep] a time a | 5 |
|
| 5 | [adv] [prep] a time a | 5 |
|
| 6 | once [prep] [art] time a | 5 |
|
| 7 | once [prep] a time a | 5 |
|
| 8 | once [prep] [art] time a | 5 |
|
| 9 | once [prep] a time a | 5 |
|
