| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a time there [be] | 17 |
|
| 2 | once [prep] a time there [was/were] | 17 |
|
| 3 | once [prep] a time there be | 17 |
|
| 4 | once [prep] a time there was | 14 |
|
