| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a time [pron] [be] | 20 |
|
| 2 | once [prep] a time [pron] [was/were] | 20 |
|
| 3 | once [prep] a time [pron] be | 20 |
|
| 4 | once [prep] a time [pron] was | 16 |
|
| 5 | once [prep] a time [pron] [vb past] | 7 |
|
| 6 | once [prep] a time [pron] [verb] | 7 |
|
| 7 | once [prep] a time [pron] [modal v] | 7 |
|
| 8 | once [prep] a time [pron] [vb mod] | 7 |
|
